diff --git a/htdocs/adherents/admin/website.php b/htdocs/adherents/admin/website.php
index 884c6e67be2..3c7775dc6b8 100644
--- a/htdocs/adherents/admin/website.php
+++ b/htdocs/adherents/admin/website.php
@@ -223,13 +223,13 @@ if (!empty($conf->global->MEMBER_ENABLE_PUBLIC)) {
 	$listofval = array();
 	$listofval['-1'] = $langs->trans('No');
 	$listofval['all'] = $langs->trans('Yes').' ('.$langs->trans("VisitorCanChooseItsPaymentMode").')';
-	if (!empty($conf->paybox->enabled)) {
+	if (isModEnabled('paybox')) {
 		$listofval['paybox'] = 'Paybox';
 	}
-	if (!empty($conf->paypal->enabled)) {
+	if (isModEnabled('paypal')) {
 		$listofval['paypal'] = 'PayPal';
 	}
-	if (!empty($conf->stripe->enabled)) {
+	if (isModEnabled('stripe')) {
 		$listofval['stripe'] = 'Stripe';
 	}
 	print $form->selectarray("MEMBER_NEWFORM_PAYONLINE", $listofval, (!empty($conf->global->MEMBER_NEWFORM_PAYONLINE) ? $conf->global->MEMBER_NEWFORM_PAYONLINE : ''), 0);
@@ -253,7 +253,7 @@ if (!empty($conf->global->MEMBER_ENABLE_PUBLIC)) {
 	print '<br>';
 	//print $langs->trans('FollowingLinksArePublic').'<br>';
 	print img_picto('', 'globe').' <span class="opacitymedium">'.$langs->trans('BlankSubscriptionForm').'</span><br>';
-	if (!empty($conf->multicompany->enabled)) {
+	if (isModEnabled('multicompany')) {
 		$entity_qr = '?entity='.$conf->entity;
 	} else {
 		$entity_qr = '';
diff --git a/htdocs/admin/mails.php b/htdocs/admin/mails.php
index 5a3ce412767..2f0f4cd3233 100644
--- a/htdocs/admin/mails.php
+++ b/htdocs/admin/mails.php
@@ -404,7 +404,7 @@ if ($action == 'edit') {
 		}
 		print '</td><td>';
 		// SuperAdministrator access only
-		if (empty($conf->multicompany->enabled) || ($user->admin && !$user->entity)) {
+		if (!isModEnabled('multicompany') || ($user->admin && !$user->entity)) {
 			print '<input class="flat minwidth300" id="MAIN_MAIL_SMTP_SERVER" name="MAIN_MAIL_SMTP_SERVER" value="'.$mainserver.'" autocomplete="off">';
 			print '<input type="hidden" id="MAIN_MAIL_SMTP_SERVER_sav" name="MAIN_MAIL_SMTP_SERVER_sav" value="'.$mainserver.'">';
 			print '<span id="smtp_server_mess" class="opacitymedium">'.$langs->trans("SeeLocalSendMailSetup").'</span>';
@@ -435,7 +435,7 @@ if ($action == 'edit') {
 		}
 		print '</td><td>';
 		// SuperAdministrator access only
-		if (empty($conf->multicompany->enabled) || ($user->admin && !$user->entity)) {
+		if (!isModEnabled('multicompany') || ($user->admin && !$user->entity)) {
 			print '<input class="flat" id="MAIN_MAIL_SMTP_PORT" name="MAIN_MAIL_SMTP_PORT" size="3" value="'.$mainport.'">';
 			print '<input type="hidden" id="MAIN_MAIL_SMTP_PORT_sav" name="MAIN_MAIL_SMTP_PORT_sav" value="'.$mainport.'">';
 			print '<span id="smtp_port_mess" class="opacitymedium">'.$langs->trans("SeeLocalSendMailSetup").'</span>';
@@ -453,7 +453,7 @@ if ($action == 'edit') {
 		$mainstmpid = (!empty($conf->global->MAIN_MAIL_SMTPS_ID) ? $conf->global->MAIN_MAIL_SMTPS_ID : '');
 		print '<tr class="drag drop oddeven"><td>'.$langs->trans("MAIN_MAIL_SMTPS_ID").'</td><td>';
 		// SuperAdministrator access only
-		if (empty($conf->multicompany->enabled) || ($user->admin && !$user->entity)) {
+		if (!isModEnabled('multicompany') || ($user->admin && !$user->entity)) {
 			print '<input class="flat" name="MAIN_MAIL_SMTPS_ID" size="32" value="'.$mainstmpid.'">';
 		} else {
 			$htmltext = $langs->trans("ContactSuperAdminForChange");
@@ -467,7 +467,7 @@ if ($action == 'edit') {
 	// OAUTH
 	if (!empty($conf->use_javascript_ajax) || (isset($conf->global->MAIN_MAIL_SENDMODE) && in_array($conf->global->MAIN_MAIL_SENDMODE, array('smtps', 'swiftmailer')))) {
 		print '<tr class="oddeven smtp_auth_method"><td>'.$langs->trans("MAIN_MAIL_SMTPS_AUTH_TYPE").'</td><td>';
-		if (empty($conf->multicompany->enabled) || ($user->admin && !$user->entity)) {
+		if (!isModEnabled('multicompany') || ($user->admin && !$user->entity)) {
 			print '<input type="radio" id="radio_pw" name="MAIN_MAIL_SMTPS_AUTH_TYPE" value="LOGIN"'.(getDolGlobalString('MAIN_MAIL_SMTPS_AUTH_TYPE') == 'LOGIN' ? ' checked' : '').'> ';
 			print '<label for="radio_pw" >'.$langs->trans("UsePassword").'</label>';
 			print '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
@@ -489,7 +489,7 @@ if ($action == 'edit') {
 		print $form->textwithpicto($langs->trans("MAIN_MAIL_SMTPS_PW"), $langs->trans("WithGMailYouCanCreateADedicatedPassword"));
 		print '</td><td>';
 		// SuperAdministrator access only
-		if (empty($conf->multicompany->enabled) || ($user->admin && !$user->entity)) {
+		if (!isModEnabled('multicompany') || ($user->admin && !$user->entity)) {
 			print '<input class="flat" type="password" name="MAIN_MAIL_SMTPS_PW" size="32" value="'.$mainsmtppw.'" autocomplete="off">';
 		} else {
 			$htmltext = $langs->trans("ContactSuperAdminForChange");
@@ -911,7 +911,7 @@ if ($action == 'edit') {
 
 		print '<a class="butAction" href="'.$_SERVER["PHP_SELF"].'?action=test&mode=init#formmailbeforetitle">'.$langs->trans("DoTestSend").'</a>';
 
-		if (!empty($conf->fckeditor->enabled)) {
+		if (isModEnabled('fckeditor')) {
 			print '<a class="butAction" href="'.$_SERVER["PHP_SELF"].'?action=testhtml&mode=init#formmailbeforetitle">'.$langs->trans("DoTestSendHTML").'</a>';
 		}
 	}
diff --git a/htdocs/admin/mails_ticket.php b/htdocs/admin/mails_ticket.php
index 2ddef2e0d66..c5e70c44fac 100644
--- a/htdocs/admin/mails_ticket.php
+++ b/htdocs/admin/mails_ticket.php
@@ -330,7 +330,7 @@ if ($action == 'edit') {
 		}
 		print '</td><td>';
 		// SuperAdministrator access only
-		if (empty($conf->multicompany->enabled) || ($user->admin && !$user->entity)) {
+		if (!isModEnabled('multicompany') || ($user->admin && !$user->entity)) {
 			print '<input class="flat" id="MAIN_MAIL_SMTP_SERVER_TICKET" name="MAIN_MAIL_SMTP_SERVER_TICKET" size="18" value="'.$mainserver.'">';
 			print '<input type="hidden" id="MAIN_MAIL_SMTP_SERVER_TICKET_sav" name="MAIN_MAIL_SMTP_SERVER_TICKET_sav" value="'.$mainserver.'">';
 			print '<span id="smtp_server_mess">'.$langs->trans("SeeLocalSendMailSetup").'</span>';
@@ -360,7 +360,7 @@ if ($action == 'edit') {
 		}
 		print '</td><td>';
 		// SuperAdministrator access only
-		if (empty($conf->multicompany->enabled) || ($user->admin && !$user->entity)) {
+		if (!isModEnabled('multicompany') || ($user->admin && !$user->entity)) {
 			print '<input class="flat" id="MAIN_MAIL_SMTP_PORT_TICKET" name="MAIN_MAIL_SMTP_PORT_TICKET" size="3" value="'.$mainport.'">';
 			print '<input type="hidden" id="MAIN_MAIL_SMTP_PORT_TICKET_sav" name="MAIN_MAIL_SMTP_PORT_TICKET_sav" value="'.$mainport.'">';
 			print '<span id="smtp_port_mess">'.$langs->trans("SeeLocalSendMailSetup").'</span>';
@@ -378,7 +378,7 @@ if ($action == 'edit') {
 		$mainstmpid = (!empty($conf->global->MAIN_MAIL_SMTPS_ID_TICKET) ? $conf->global->MAIN_MAIL_SMTPS_ID_TICKET : '');
 		print '<tr class="drag drop oddeven hideifdefault"><td>'.$langs->trans("MAIN_MAIL_SMTPS_ID").'</td><td>';
 		// SuperAdministrator access only
-		if (empty($conf->multicompany->enabled) || ($user->admin && !$user->entity)) {
+		if (!isModEnabled('multicompany') || ($user->admin && !$user->entity)) {
 			print '<input class="flat" name="MAIN_MAIL_SMTPS_ID_TICKET" size="32" value="'.$mainstmpid.'">';
 		} else {
 			$htmltext = $langs->trans("ContactSuperAdminForChange");
@@ -412,7 +412,7 @@ if ($action == 'edit') {
 		$mainsmtppw = (!empty($conf->global->MAIN_MAIL_SMTPS_PW_TICKET) ? $conf->global->MAIN_MAIL_SMTPS_PW_TICKET : '');
 		print '<tr class="drag drop oddeven smtp_pw hideifdefault"><td>'.$langs->trans("MAIN_MAIL_SMTPS_PW").'</td><td>';
 		// SuperAdministrator access only
-		if (empty($conf->multicompany->enabled) || ($user->admin && !$user->entity)) {
+		if (!isModEnabled('multicompany') || ($user->admin && !$user->entity)) {
 			print '<input class="flat" type="password" name="MAIN_MAIL_SMTPS_PW_TICKET" size="32" value="'.$mainsmtppw.'">';
 		} else {
 			$htmltext = $langs->trans("ContactSuperAdminForChange");
@@ -604,7 +604,7 @@ if ($action == 'edit') {
 
 		print '<a class="butAction" href="'.$_SERVER["PHP_SELF"].'?action=test&amp;mode=init">'.$langs->trans("DoTestSend").'</a>';
 
-		if (!empty($conf->fckeditor->enabled)) {
+		if (isModEnabled('fckeditor')) {
 			print '<a class="butAction" href="'.$_SERVER["PHP_SELF"].'?action=testhtml&amp;mode=init">'.$langs->trans("DoTestSendHTML").'</a>';
 		}
 	}
diff --git a/htdocs/admin/modules.php b/htdocs/admin/modules.php
index d04039aefdf..05f7ed441f7 100644
--- a/htdocs/admin/modules.php
+++ b/htdocs/admin/modules.php
@@ -786,14 +786,14 @@ if ($mode == 'common' || $mode == 'commonkanban') {
 
 			if (!empty($objMod->disabled)) {
 				$codeenabledisable .= $langs->trans("Disabled");
-			} elseif (!empty($objMod->always_enabled) || ((!empty($conf->multicompany->enabled) && $objMod->core_enabled) && ($user->entity || $conf->entity != 1))) {
+			} elseif (!empty($objMod->always_enabled) || ((isModEnabled('multicompany') && $objMod->core_enabled) && ($user->entity || $conf->entity != 1))) {
 				if (method_exists($objMod, 'alreadyUsed') && $objMod->alreadyUsed()) {
 					$codeenabledisable .= $langs->trans("Used");
 				} else {
 					$codeenabledisable .= img_picto($langs->trans("Required"), 'switch_on', '', false, 0, 0, '', 'opacitymedium valignmiddle');
 					//print $langs->trans("Required");
 				}
-				if (!empty($conf->multicompany->enabled) && $user->entity) {
+				if (isModEnabled('multicompany') && $user->entity) {
 					$disableSetup++;
 				}
 			} else {
@@ -1279,7 +1279,7 @@ if ($mode == 'develop') {
 	print '</td>';
 	print '<td>'.$langs->trans("TryToUseTheModuleBuilder", $langs->transnoentitiesnoconv("ModuleBuilder")).'</td>';
 	print '<td class="maxwidth300">';
-	if (!empty($conf->modulebuilder->enabled)) {
+	if (isModEnabled('modulebuilder')) {
 		print $langs->trans("SeeTopRightMenu");
 	} else {
 		print '<span class="opacitymedium">'.$langs->trans("ModuleMustBeEnabledFirst", $langs->transnoentitiesnoconv("ModuleBuilder")).'</span>';
diff --git a/htdocs/admin/pdf.php b/htdocs/admin/pdf.php
index 41215f98402..f534ff881da 100644
--- a/htdocs/admin/pdf.php
+++ b/htdocs/admin/pdf.php
@@ -108,7 +108,7 @@ if ($action == 'update') {
 		dolibarr_set_const($db, "MAIN_TVAINTRA_NOT_IN_ADDRESS", GETPOST("MAIN_TVAINTRA_NOT_IN_ADDRESS"), 'chaine', 0, '', $conf->entity);
 	}
 
-	if (!empty($conf->project->enabled)) {
+	if (isModEnabled('project')) {
 		if (GETPOST('PDF_SHOW_PROJECT_REF_OR_LABEL') == 'no') {
 			dolibarr_del_const($db, "PDF_SHOW_PROJECT", $conf->entity);
 			dolibarr_del_const($db, "PDF_SHOW_PROJECT_TITLE", $conf->entity);
@@ -486,7 +486,7 @@ print '<input type="text" class="maxwidth50" name="MAIN_DOCUMENTS_LOGO_HEIGHT" v
 print '</td></tr>';
 
 // Show project
-if (!empty($conf->project->enabled)) {
+if (isModEnabled('project')) {
 	print '<tr class="oddeven"><td>'.$langs->trans("PDF_SHOW_PROJECT").'</td><td>';
 	$tmparray = array('no' => 'No', 'showprojectref' => 'RefProject', 'showprojectlabel' => 'ShowProjectLabel');
 	$showprojectref = empty($conf->global->PDF_SHOW_PROJECT) ? (empty($conf->global->PDF_SHOW_PROJECT_TITLE) ? 'no' : 'showprojectlabel') : 'showprojectref';
diff --git a/htdocs/admin/propal.php b/htdocs/admin/propal.php
index a83e08ba4cf..eea567ea27c 100644
--- a/htdocs/admin/propal.php
+++ b/htdocs/admin/propal.php
@@ -515,7 +515,7 @@ print '<td>';
 print '<input type="hidden" name="action" value="setribchq">';
 print $langs->trans("PaymentMode").'</td>';
 print '<td align="right">';
-if (empty($conf->facture->enabled)) {
+if (!isModEnabled('facture')) {
 	print '<input type="submit" class="button button-edit" value="'.$langs->trans("Modify").'">';
 }
 print '</td>';
@@ -524,7 +524,7 @@ print "</tr>\n";
 print '<tr class="oddeven">';
 print "<td>".$langs->trans("SuggestPaymentByRIBOnAccount")."</td>";
 print "<td>";
-if (empty($conf->facture->enabled)) {
+if (!isModEnabled('facture')) {
 	if (isModEnabled("banque")) {
 		$sql = "SELECT rowid, label";
 		$sql .= " FROM ".MAIN_DB_PREFIX."bank_account";
@@ -563,7 +563,7 @@ print "</td></tr>";
 print '<tr class="oddeven">';
 print "<td>".$langs->trans("SuggestPaymentByChequeToAddress")."</td>";
 print "<td>";
-if (empty($conf->facture->enabled)) {
+if (!isModEnabled('facture')) {
 	print '<select class="flat" name="chq" id="chq">';
 	print '<option value="0">'.$langs->trans("DoNotSuggestPaymentMode").'</option>';
 	print '<option value="-1"'.($conf->global->FACTURE_CHQ_NUMBER ? ' selected' : '').'>'.$langs->trans("MenuCompanySetup").' ('.($mysoc->name ? $mysoc->name : $langs->trans("NotDefined")).')</option>';
@@ -700,7 +700,7 @@ print "</td></tr>\n";
 print '</form>';
 
 /* Seems to be not so used. So kept hidden for the moment to avoid dangerous options inflation.
-if ($conf->banque->enabled)
+if (isModEnabled('facture'))
 {
 
 	print '<tr class="oddeven"><td>';
diff --git a/htdocs/admin/system/constall.php b/htdocs/admin/system/constall.php
index 9a27feb3d7a..fee82d89958 100644
--- a/htdocs/admin/system/constall.php
+++ b/htdocs/admin/system/constall.php
@@ -205,7 +205,7 @@ print '<table class="noborder">';
 print '<tr class="liste_titre">';
 print '<td>'.$langs->trans("Parameter").'</td>';
 print '<td>'.$langs->trans("Value").'</td>';
-if (empty($conf->multicompany->enabled) || !$user->entity) {
+if (!isModEnabled('multicompany') || !$user->entity) {
 	print '<td>'.$langs->trans("Entity").'</td>'; // If superadmin or multicompany disabled
 }
 print "</tr>\n";
@@ -218,7 +218,7 @@ $sql .= ", type";
 $sql .= ", note";
 $sql .= ", entity";
 $sql .= " FROM ".MAIN_DB_PREFIX."const";
-if (empty($conf->multicompany->enabled)) {
+if (!isModEnabled('multicompany')) {
 	// If no multicompany mode, admins can see global and their constantes
 	$sql .= " WHERE entity IN (0,".$conf->entity.")";
 } else {
@@ -239,7 +239,7 @@ if ($resql) {
 		print '<tr class="oddeven">';
 		print '<td>'.$obj->name.'</td>'."\n";
 		print '<td>'.$obj->value.'</td>'."\n";
-		if (empty($conf->multicompany->enabled) || !$user->entity) {
+		if (!isModEnabled('multicompany') || !$user->entity) {
 			print '<td>'.$obj->entity.'</td>'."\n"; // If superadmin or multicompany disabled
 		}
 		print "</tr>\n";
diff --git a/htdocs/admin/system/dolibarr.php b/htdocs/admin/system/dolibarr.php
index 8a982f6e0bd..31fa647f403 100644
--- a/htdocs/admin/system/dolibarr.php
+++ b/htdocs/admin/system/dolibarr.php
@@ -382,7 +382,7 @@ foreach ($configfileparameters as $key => $value) {
 		$newkey = preg_replace('/^\?/', '', $key);
 
 		if (preg_match('/^\?/', $key) && empty(${$newkey})) {
-			if ($newkey != 'multicompany_transverse_mode' || empty($conf->multicompany->enabled)) {
+			if ($newkey != 'multicompany_transverse_mode' || !isModEnabled('multicompany')) {
 				continue; // We discard parameters starting with ?
 			}
 		}
@@ -483,7 +483,7 @@ print '<table class="noborder">';
 print '<tr class="liste_titre">';
 print '<td class="titlefield">'.$langs->trans("Parameters").' '.$langs->trans("Database").'</td>';
 print '<td>'.$langs->trans("Value").'</td>';
-if (empty($conf->multicompany->enabled) || !$user->entity) {
+if (!isModEnabled('multicompany') || !$user->entity) {
 	print '<td class="center width="80px"">'.$langs->trans("Entity").'</td>'; // If superadmin or multicompany disabled
 }
 print "</tr>\n";
@@ -496,7 +496,7 @@ $sql .= ", type";
 $sql .= ", note";
 $sql .= ", entity";
 $sql .= " FROM ".MAIN_DB_PREFIX."const";
-if (empty($conf->multicompany->enabled)) {
+if (!isModEnabled('multicompany')) {
 	// If no multicompany mode, admins can see global and their constantes
 	$sql .= " WHERE entity IN (0,".$conf->entity.")";
 } else {
@@ -526,7 +526,7 @@ if ($resql) {
 			print dol_escape_htmltag($obj->value);
 		}
 		print '</td>'."\n";
-		if (empty($conf->multicompany->enabled) || !$user->entity) {
+		if (!isModEnabled('multicompany') || !$user->entity) {
 			print '<td class="center" width="80px">'.$obj->entity.'</td>'."\n"; // If superadmin or multicompany disabled
 		}
 		print "</tr>\n";
diff --git a/htdocs/admin/taxes.php b/htdocs/admin/taxes.php
index 646f4a7be74..fb4b2ec6d72 100644
--- a/htdocs/admin/taxes.php
+++ b/htdocs/admin/taxes.php
@@ -27,7 +27,7 @@
 
 require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
-if (!empty($conf->accounting->enabled)) {
+if (isModEnabled('accounting')) {
 	require_once DOL_DOCUMENT_ROOT.'/core/class/html.formaccounting.class.php';
 }
 
@@ -137,7 +137,7 @@ if ($action == 'update') {
 llxHeader('', $langs->trans("TaxSetup"));
 
 $form = new Form($db);
-if (!empty($conf->accounting->enabled)) {
+if (isModEnabled('accounting')) {
 	$formaccounting = new FormAccounting($db);
 }
 
@@ -282,7 +282,7 @@ echo '</table>';
 echo '</div>';
 
 
-if (!empty($conf->accounting->enabled)) {
+if (isModEnabled('accounting')) {
 	$langs->load("accountancy");
 	print '<br><br><span class="opacitymedium">'.$langs->trans("AccountingAccountForSalesTaxAreDefinedInto", $langs->transnoentitiesnoconv("MenuAccountancy"), $langs->transnoentitiesnoconv("Setup")).'</span>';
 }
diff --git a/htdocs/admin/tools/listevents.php b/htdocs/admin/tools/listevents.php
index 6d6a8edb10f..da7ae901766 100644
--- a/htdocs/admin/tools/listevents.php
+++ b/htdocs/admin/tools/listevents.php
@@ -418,7 +418,7 @@ if ($result) {
 			$userstatic->status = $obj->status;
 
 			print $userstatic->getLoginUrl(1);
-			if (!empty($conf->multicompany->enabled) && $userstatic->admin && !$userstatic->entity) {
+			if (isModEnabled('multicompany') && $userstatic->admin && !$userstatic->entity) {
 				print img_picto($langs->trans("SuperAdministrator"), 'redstar', 'class="valignmiddle paddingleft"');
 			} elseif ($userstatic->admin) {
 				print img_picto($langs->trans("Administrator"), 'star', 'class="valignmiddle paddingleft"');
diff --git a/htdocs/admin/translation.php b/htdocs/admin/translation.php
index 1e667e7abb4..154ac3f5665 100644
--- a/htdocs/admin/translation.php
+++ b/htdocs/admin/translation.php
@@ -346,7 +346,7 @@ if ($mode == 'overwrite') {
 	print_liste_field_titre("Language_en_US_es_MX_etc", $_SERVER["PHP_SELF"], 'lang,transkey', '', $param, '', $sortfield, $sortorder);
 	print_liste_field_titre("Key", $_SERVER["PHP_SELF"], 'transkey', '', $param, '', $sortfield, $sortorder);
 	print_liste_field_titre("NewTranslationStringToShow", $_SERVER["PHP_SELF"], 'transvalue', '', $param, '', $sortfield, $sortorder);
-	//if (! empty($conf->multicompany->enabled) && !$user->entity) print_liste_field_titre("Entity", $_SERVER["PHP_SELF"], 'entity,transkey', '', $param, '', $sortfield, $sortorder);
+	//if (isModEnabled('multicompany') && !$user->entity) print_liste_field_titre("Entity", $_SERVER["PHP_SELF"], 'entity,transkey', '', $param, '', $sortfield, $sortorder);
 	print '<td align="center"></td>';
 	print "</tr>\n";
 
@@ -504,7 +504,7 @@ if ($mode == 'searchkey') {
 	print '</td><td>';
 	print '<input type="text" class="quatrevingtpercent" name="transvalue" value="'.dol_escape_htmltag($transvalue).'">';
 	// Limit to superadmin
-	/*if (! empty($conf->multicompany->enabled) && !$user->entity)
+	/*if (isModEnabled('multicompany') && !$user->entity)
 	{
 		print '</td><td>';
 		print '<input type="text" class="flat" size="1" name="entitysearch" value="'.$conf->entity.'">';
@@ -525,7 +525,7 @@ if ($mode == 'searchkey') {
 	print_liste_field_titre("Language_en_US_es_MX_etc", $_SERVER["PHP_SELF"], 'lang,transkey', '', $param, '', $sortfield, $sortorder);
 	print_liste_field_titre("Key", $_SERVER["PHP_SELF"], 'transkey', '', $param, '', $sortfield, $sortorder);
 	print_liste_field_titre("CurrentTranslationString", $_SERVER["PHP_SELF"], 'transvalue', '', $param, '', $sortfield, $sortorder);
-	//if (! empty($conf->multicompany->enabled) && !$user->entity) print_liste_field_titre("Entity", $_SERVER["PHP_SELF"], 'entity,transkey', '', $param, '', $sortfield, $sortorder);
+	//if (isModEnabled('multicompany') && !$user->entity) print_liste_field_titre("Entity", $_SERVER["PHP_SELF"], 'entity,transkey', '', $param, '', $sortfield, $sortorder);
 	print '<td align="center"></td>';
 	print "</tr>\n";
 
@@ -609,7 +609,7 @@ if ($mode == 'searchkey') {
 			$htmltext = $langs->trans("TransKeyWithoutOriginalValue", $key);
 			print $form->textwithpicto('', $htmltext, 1, 'warning');
 		}
-		/*if (! empty($conf->multicompany->enabled) && !$user->entity)
+		/*if (isModEnabled('multicompany') && !$user->entity)
 		{
 			print '<td>'.$val.'</td>';
 		}*/
diff --git a/htdocs/asset/class/asset.class.php b/htdocs/asset/class/asset.class.php
index 16306e73441..55d2bc07593 100644
--- a/htdocs/asset/class/asset.class.php
+++ b/htdocs/asset/class/asset.class.php
@@ -195,7 +195,7 @@ class Asset extends CommonObject
 		if (empty($conf->global->MAIN_SHOW_TECHNICAL_ID) && isset($this->fields['rowid'])) {
 			$this->fields['rowid']['visible'] = 0;
 		}
-		if (empty($conf->multicompany->enabled) && isset($this->fields['entity'])) {
+		if (!isModEnabled('multicompany') && isset($this->fields['entity'])) {
 			$this->fields['entity']['enabled'] = 0;
 		}
 
diff --git a/htdocs/asset/class/assetmodel.class.php b/htdocs/asset/class/assetmodel.class.php
index 6b75702278d..fb574e6ea18 100644
--- a/htdocs/asset/class/assetmodel.class.php
+++ b/htdocs/asset/class/assetmodel.class.php
@@ -160,7 +160,7 @@ class AssetModel extends CommonObject
 		if (empty($conf->global->MAIN_SHOW_TECHNICAL_ID) && isset($this->fields['rowid'])) {
 			$this->fields['rowid']['visible'] = 0;
 		}
-		if (empty($conf->multicompany->enabled) && isset($this->fields['entity'])) {
+		if (!isModEnabled('multicompany') && isset($this->fields['entity'])) {
 			$this->fields['entity']['enabled'] = 0;
 		}
 
diff --git a/htdocs/bom/class/bom.class.php b/htdocs/bom/class/bom.class.php
index 50d97150d6a..576d8f5fb09 100644
--- a/htdocs/bom/class/bom.class.php
+++ b/htdocs/bom/class/bom.class.php
@@ -239,7 +239,7 @@ class BOM extends CommonObject
 		if (empty($conf->global->MAIN_SHOW_TECHNICAL_ID) && isset($this->fields['rowid'])) {
 			$this->fields['rowid']['visible'] = 0;
 		}
-		if (empty($conf->multicompany->enabled) && isset($this->fields['entity'])) {
+		if (!isModEnabled('multicompany') && isset($this->fields['entity'])) {
 			$this->fields['entity']['enabled'] = 0;
 		}
 
@@ -1525,7 +1525,7 @@ class BOMLine extends CommonObjectLine
 		if (empty($conf->global->MAIN_SHOW_TECHNICAL_ID) && isset($this->fields['rowid'])) {
 			$this->fields['rowid']['visible'] = 0;
 		}
-		if (empty($conf->multicompany->enabled) && isset($this->fields['entity'])) {
+		if (!isModEnabled('multicompany') && isset($this->fields['entity'])) {
 			$this->fields['entity']['enabled'] = 0;
 		}
 
diff --git a/htdocs/comm/action/class/actioncommreminder.class.php b/htdocs/comm/action/class/actioncommreminder.class.php
index ff242430b0a..eb0d464777a 100644
--- a/htdocs/comm/action/class/actioncommreminder.class.php
+++ b/htdocs/comm/action/class/actioncommreminder.class.php
@@ -149,7 +149,7 @@ class ActionCommReminder extends CommonObject
 		if (empty($conf->global->MAIN_SHOW_TECHNICAL_ID)) {
 			$this->fields['rowid']['visible'] = 0;
 		}
-		if (empty($conf->multicompany->enabled)) {
+		if (!isModEnabled('multicompany')) {
 			$this->fields['entity']['enabled'] = 0;
 		}
 	}
diff --git a/htdocs/comm/action/peruser.php b/htdocs/comm/action/peruser.php
index b30ef8f7ba9..f28a3b2f719 100644
--- a/htdocs/comm/action/peruser.php
+++ b/htdocs/comm/action/peruser.php
@@ -901,7 +901,7 @@ while ($currentdaytoshow < $lastdaytoshow) {
 		/* Use this list to have for all users */
 		$sql = "SELECT DISTINCT u.rowid, u.lastname as lastname, u.firstname, u.statut, u.login, u.admin, u.entity";
 		$sql .= " FROM ".MAIN_DB_PREFIX."user as u";
-		if (!empty($conf->multicompany->enabled) && !empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE)) {
+		if (isModEnabled('multicompany') && !empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE)) {
 			$sql .= ", ".MAIN_DB_PREFIX."usergroup_user as ug";
 			$sql .= " WHERE ug.entity IN (".getEntity('usergroup').")";
 			$sql .= " AND ug.fk_user = u.rowid ";
diff --git a/htdocs/comm/mailing/card.php b/htdocs/comm/mailing/card.php
index 748c5fabf10..eb1b50cee1b 100644
--- a/htdocs/comm/mailing/card.php
+++ b/htdocs/comm/mailing/card.php
@@ -258,7 +258,7 @@ if (empty($reshook)) {
 							}
 						}
 						if (!empty($conf->global->MEMBER_ENABLE_PUBLIC)) {
-							$substitutionarray['__PUBLICLINK_NEWMEMBERFORM__'] = '<a target="_blank" rel="noopener noreferrer" href="'.DOL_MAIN_URL_ROOT.'/public/members/new.php'.((!empty($conf->multicompany->enabled)) ? '?entity='.$conf->entity : '').'">'.$langs->trans('BlankSubscriptionForm'). '</a>';
+							$substitutionarray['__PUBLICLINK_NEWMEMBERFORM__'] = '<a target="_blank" rel="noopener noreferrer" href="'.DOL_MAIN_URL_ROOT.'/public/members/new.php'.((isModEnabled('multicompany')) ? '?entity='.$conf->entity : '').'">'.$langs->trans('BlankSubscriptionForm'). '</a>';
 						}
 						/* For backward compatibility, deprecated */
 						if (!empty($conf->paypal->enabled) && !empty($conf->global->PAYPAL_SECURITY_TOKEN)) {
diff --git a/htdocs/comm/remx.php b/htdocs/comm/remx.php
index db1cc06c504..a47a865fc45 100644
--- a/htdocs/comm/remx.php
+++ b/htdocs/comm/remx.php
@@ -424,12 +424,12 @@ if ($socid > 0) {
 			print '<td>'.$langs->trans("ReasonDiscount").'</td>';
 			print '<td class="nowrap">'.$langs->trans("ConsumedBy").'</td>';
 			print '<td class="right">'.$langs->trans("AmountHT").'</td>';
-			if (!empty($conf->multicurrency->enabled)) {
+			if (isModEnabled('multicompany')) {
 				print '<td class="right tdoverflowmax125" title="'.dol_escape_htmltag($langs->trans("MulticurrencyAmountHT")).'">'.$langs->trans("MulticurrencyAmountHT").'</td>';
 			}
 			print '<td class="right">'.$langs->trans("VATRate").'</td>';
 			print '<td class="right">'.$langs->trans("AmountTTC").'</td>';
-			if (!empty($conf->multicurrency->enabled)) {
+			if (isModEnabled('multicompany')) {
 				print '<td class="right tdoverflowmax125" title="'.dol_escape_htmltag($langs->trans("MulticurrencyAmountTTC")).'">'.$langs->trans("MulticurrencyAmountTTC").'</td>';
 			}
 			print '<td width="100" class="center">'.$langs->trans("DiscountOfferedBy").'</td>';
@@ -474,12 +474,12 @@ if ($socid > 0) {
 					}
 					print '<td class="nowrap"><span class="opacitymedium">'.$langs->trans("NotConsumed").'</span></td>';
 					print '<td class="right amount">'.price($obj->amount_ht).'</td>';
-					if (!empty($conf->multicurrency->enabled)) {
+					if (isModEnabled('multicompany')) {
 						print '<td class="right amount">'.price($obj->multicurrency_amount_ht).'</td>';
 					}
 					print '<td class="right">'.vatrate($obj->tva_tx.($obj->vat_src_code ? ' ('.$obj->vat_src_code.')' : ''), true).'</td>';
 					print '<td class="right amount">'.price($obj->amount_ttc).'</td>';
-					if (!empty($conf->multicurrency->enabled)) {
+					if (isModEnabled('multicompany')) {
 						print '<td class="right amount">'.price($obj->multicurrency_amount_ttc).'</td>';
 					}
 					print '<td class="center">';
@@ -503,7 +503,7 @@ if ($socid > 0) {
 				}
 			} else {
 				$colspan = 8;
-				if (!empty($conf->multicurrency->enabled)) {
+				if (isModEnabled('multicompany')) {
 					$colspan += 2;
 				}
 				print '<tr><td colspan="'.$colspan.'" class="opacitymedium">'.$langs->trans("None").'</td></tr>';
@@ -562,12 +562,12 @@ if ($socid > 0) {
 			print '<td>'.$langs->trans("ReasonDiscount").'</td>';
 			print '<td class="nowrap">'.$langs->trans("ConsumedBy").'</td>';
 			print '<td class="right">'.$langs->trans("AmountHT").'</td>';
-			if (!empty($conf->multicurrency->enabled)) {
+			if (isModEnabled('multicompany')) {
 				print '<td class="right tdoverflowmax125" title="'.dol_escape_htmltag($langs->trans("MulticurrencyAmountHT")).'">'.$langs->trans("MulticurrencyAmountHT").'</td>';
 			}
 			print '<td class="right">'.$langs->trans("VATRate").'</td>';
 			print '<td class="right">'.$langs->trans("AmountTTC").'</td>';
-			if (!empty($conf->multicurrency->enabled)) {
+			if (isModEnabled('multicompany')) {
 				print '<td class="right tdoverflowmax125" title="'.dol_escape_htmltag($langs->trans("MulticurrencyAmountTTC")).'">'.$langs->trans("MulticurrencyAmountTTC").'</td>';
 			}
 			print '<td width="100" class="center">'.$langs->trans("DiscountOfferedBy").'</td>';
@@ -612,12 +612,12 @@ if ($socid > 0) {
 					}
 					print '<td class="nowrap"><span class="opacitymedium">'.$langs->trans("NotConsumed").'</span></td>';
 					print '<td class="right amount">'.price($obj->amount_ht).'</td>';
-					if (!empty($conf->multicurrency->enabled)) {
+					if (isModEnabled('multicompany')) {
 						print '<td class="right amount">'.price($obj->multicurrency_amount_ht).'</td>';
 					}
 					print '<td class="right">'.vatrate($obj->tva_tx.($obj->vat_src_code ? ' ('.$obj->vat_src_code.')' : ''), true).'</td>';
 					print '<td class="right amount">'.price($obj->amount_ttc).'</td>';
-					if (!empty($conf->multicurrency->enabled)) {
+					if (isModEnabled('multicompany')) {
 						print '<td class="right amount">'.price($obj->multicurrency_amount_ttc).'</td>';
 					}
 					print '<td class="center">';
@@ -641,7 +641,7 @@ if ($socid > 0) {
 				}
 			} else {
 				$colspan = 8;
-				if (!empty($conf->multicurrency->enabled)) {
+				if (isModEnabled('multicompany')) {
 					$colspan += 2;
 				}
 				print '<tr><td colspan="'.$colspan.'" class="opacitymedium">'.$langs->trans("None").'</td></tr>';
@@ -735,12 +735,12 @@ if ($socid > 0) {
 			print '<td>'.$langs->trans("ReasonDiscount").'</td>';
 			print '<td class="nowrap">'.$langs->trans("ConsumedBy").'</td>';
 			print '<td class="right">'.$langs->trans("AmountHT").'</td>';
-			if (!empty($conf->multicurrency->enabled)) {
+			if (isModEnabled('multicompany')) {
 				print '<td class="right tdoverflowmax125" title="'.dol_escape_htmltag($langs->trans("MulticurrencyAmountHT")).'">'.$langs->trans("MulticurrencyAmountHT").'</td>';
 			}
 			print '<td class="right">'.$langs->trans("VATRate").'</td>';
 			print '<td class="right">'.$langs->trans("AmountTTC").'</td>';
-			if (!empty($conf->multicurrency->enabled)) {
+			if (isModEnabled('multicompany')) {
 				print '<td class="right tdoverflowmax125" title="'.dol_escape_htmltag($langs->trans("MulticurrencyAmountTTC")).'">'.$langs->trans("MulticurrencyAmountTTC").'</td>';
 			}
 			print '<td width="100" class="center">'.$langs->trans("Author").'</td>';
@@ -808,12 +808,12 @@ if ($socid > 0) {
 					}
 					print '</td>';
 					print '<td class="right">'.price($obj->amount_ht).'</td>';
-					if (!empty($conf->multicurrency->enabled)) {
+					if (isModEnabled('multicompany')) {
 						print '<td class="right">'.price($obj->multicurrency_amount_ht).'</td>';
 					}
 					print '<td class="right">'.vatrate($obj->tva_tx.($obj->vat_src_code ? ' ('.$obj->vat_src_code.')' : ''), true).'</td>';
 					print '<td class="right">'.price($obj->amount_ttc).'</td>';
-					if (!empty($conf->multicurrency->enabled)) {
+					if (isModEnabled('multicompany')) {
 						print '<td class="right">'.price($obj->multicurrency_amount_ttc).'</td>';
 					}
 					print '<td class="center">';
@@ -825,7 +825,7 @@ if ($socid > 0) {
 				}
 			} else {
 				$colspan = 8;
-				if (!empty($conf->multicurrency->enabled)) {
+				if (isModEnabled('multicompany')) {
 					$colspan += 2;
 				}
 				print '<tr><td colspan="'.$colspan.'" class="opacitymedium">'.$langs->trans("None").'</td></tr>';
@@ -896,12 +896,12 @@ if ($socid > 0) {
 			print '<td>'.$langs->trans("ReasonDiscount").'</td>';
 			print '<td class="nowrap">'.$langs->trans("ConsumedBy").'</td>';
 			print '<td class="right">'.$langs->trans("AmountHT").'</td>';
-			if (!empty($conf->multicurrency->enabled)) {
+			if (isModEnabled('multicompany')) {
 				print '<td class="right toverflowmax125" title="'.dol_escape_htmltag($langs->trans("MulticurrencyAmountHT")).'">'.$langs->trans("MulticurrencyAmountHT").'</td>';
 			}
 			print '<td class="right">'.$langs->trans("VATRate").'</td>';
 			print '<td class="right">'.$langs->trans("AmountTTC").'</td>';
-			if (!empty($conf->multicurrency->enabled)) {
+			if (isModEnabled('multicompany')) {
 				print '<td class="right tdoverflowmax125" title="'.dol_escape_htmltag($langs->trans("MulticurrencyAmountTTC")).'">'.$langs->trans("MulticurrencyAmountTTC").'</td>';
 			}
 			print '<td width="100" class="center">'.$langs->trans("Author").'</td>';
@@ -969,12 +969,12 @@ if ($socid > 0) {
 					}
 					print '</td>';
 					print '<td class="right">'.price($obj->amount_ht).'</td>';
-					if (!empty($conf->multicurrency->enabled)) {
+					if (isModEnabled('multicompany')) {
 						print '<td class="right">'.price($obj->multicurrency_amount_ht).'</td>';
 					}
 					print '<td class="right">'.vatrate($obj->tva_tx.($obj->vat_src_code ? ' ('.$obj->vat_src_code.')' : ''), true).'</td>';
 					print '<td class="right">'.price($obj->amount_ttc).'</td>';
-					if (!empty($conf->multicurrency->enabled)) {
+					if (isModEnabled('multicompany')) {
 						print '<td class="right">'.price($obj->multicurrency_amount_ttc).'</td>';
 					}
 					print '<td class="center">';
@@ -986,7 +986,7 @@ if ($socid > 0) {
 				}
 			} else {
 				$colspan = 8;
-				if (!empty($conf->multicurrency->enabled)) {
+				if (isModEnabled('multicompany')) {
 					$colspan += 2;
 				}
 				print '<tr><td colspan="'.$colspan.'" class="opacitymedium">'.$langs->trans("None").'</td></tr>';
diff --git a/htdocs/compta/accounting-files.php b/htdocs/compta/accounting-files.php
index 5e6ef3bbedf..30d2bedcf14 100644
--- a/htdocs/compta/accounting-files.php
+++ b/htdocs/compta/accounting-files.php
@@ -117,12 +117,12 @@ if ($user->socid > 0) {
 
 // Define $arrayofentities if multientity is set.
 $arrayofentities = array();
-if (!empty($conf->multicompany->enabled) && is_object($mc)) {
+if (isModEnabled('multicompany') && is_object($mc)) {
 	$arrayofentities = $mc->getEntitiesList();
 }
 
 $entity = (GETPOSTISSET('entity') ? GETPOST('entity', 'int') : (GETPOSTISSET('search_entity') ? GETPOST('search_entity', 'int') : $conf->entity));
-if (!empty($conf->multicompany->enabled) && is_object($mc)) {
+if (isModEnabled('multicompany') && is_object($mc)) {
 	if (empty($entity) && !empty($conf->global->MULTICOMPANY_ALLOW_EXPORT_ACCOUNTING_DOC_FOR_ALL_ENTITIES)) {
 		$entity = '0,'.join(',', array_keys($arrayofentities));
 	}
@@ -456,7 +456,7 @@ if ($result && $action == "dl" && !$error) {
 	dol_mkdir($dirfortmpfile);
 
 	$log = $langs->transnoentitiesnoconv("Type");
-	if (!empty($conf->multicompany->enabled) && is_object($mc)) {
+	if (isModEnabled('multicompany') && is_object($mc)) {
 		$log .= ','.$langs->transnoentitiesnoconv("Entity");
 	}
 	$log .= ','.$langs->transnoentitiesnoconv("Date");
@@ -498,7 +498,7 @@ if ($result && $action == "dl" && !$error) {
 			}
 
 			$log .= '"'.$langs->trans($file['item']).'"';
-			if (!empty($conf->multicompany->enabled) && is_object($mc)) {
+			if (isModEnabled('multicompany') && is_object($mc)) {
 				$log .= ',"'.(empty($arrayofentities[$file['entity']]) ? $file['entity'] : $arrayofentities[$file['entity']]).'"';
 			}
 			$log .= ','.dol_print_date($file['date'], 'dayrfc');
@@ -583,7 +583,7 @@ print "\n";
 
 // Export is for current company only
 $socid = 0;
-if (!empty($conf->multicompany->enabled) && is_object($mc)) {
+if (isModEnabled('multicompany') && is_object($mc)) {
 	$mc->getInfo($conf->entity);
 	print '<span class="marginleftonly marginrightonly'.(empty($conf->global->MULTICOMPANY_ALLOW_EXPORT_ACCOUNTING_DOC_FOR_ALL_ENTITIES) ? ' opacitymedium' : '').'">('.$langs->trans("Entity").' : ';
 	print "<td>";
@@ -696,14 +696,14 @@ if (!empty($date_start) && !empty($date_stop)) {
 	print '<td class="center">'.$langs->trans("Code").'</td>';
 	print '<td class="center">'.$langs->trans("Country").'</td>';
 	print '<td class="center">'.$langs->trans("VATIntra").'</td>';
-	if (!empty($conf->multicurrency->enabled)) {
+	if (isModEnabled('multicompany')) {
 		print '<td class="center">'.$langs->trans("Currency").'</td>';
 	}
 	print '</tr>';
 
 	if (empty($TData)) {
 		print '<tr class="oddeven"><td colspan="13"><span class="opacitymedium">'.$langs->trans("NoRecordFound").'</span></td>';
-		if (!empty($conf->multicurrency->enabled)) {
+		if (isModEnabled('multicompany')) {
 			print '<td></td>';
 		}
 		print '</tr>';
@@ -833,7 +833,7 @@ if (!empty($date_start) && !empty($date_stop)) {
 				$totalVAT_debit -= $data['amount_vat'];
 			}
 
-			if (!empty($conf->multicurrency->enabled)) {
+			if (isModEnabled('multicompany')) {
 				print '<td class="center">'.$data['currency']."</td>\n";
 			}
 
@@ -847,7 +847,7 @@ if (!empty($date_start) && !empty($date_stop)) {
 		print '<td align="right">'.price(price2num($totalIT_credit, 'MT')).'</td>';
 		print '<td align="right">'.price(price2num($totalVAT_credit, 'MT')).'</td>';
 		print '<td colspan="4"></td>';
-		if (!empty($conf->multicurrency->enabled)) {
+		if (isModEnabled('multicompany')) {
 			print '<td></td>';
 		}
 		print "</tr>\n";
@@ -858,7 +858,7 @@ if (!empty($date_start) && !empty($date_stop)) {
 		print '<td align="right">'.price(price2num($totalIT_debit, 'MT')).'</td>';
 		print '<td align="right">'.price(price2num($totalVAT_debit, 'MT')).'</td>';
 		print '<td colspan="4"></td>';
-		if (!empty($conf->multicurrency->enabled)) {
+		if (isModEnabled('multicompany')) {
 			print '<td></td>';
 		}
 		print "</tr>\n";
@@ -869,7 +869,7 @@ if (!empty($date_start) && !empty($date_stop)) {
 		print '<td align="right">'.price(price2num($totalIT_credit + $totalIT_debit, 'MT')).'</td>';
 		print '<td align="right">'.price(price2num($totalVAT_credit + $totalVAT_debit, 'MT')).'</td>';
 		print '<td colspan="4"></td>';
-		if (!empty($conf->multicurrency->enabled)) {
+		if (isModEnabled('multicompany')) {
 			print '<td></td>';
 		}
 		print "</tr>\n";
diff --git a/htdocs/compta/paiement/card.php b/htdocs/compta/paiement/card.php
index 54b1e0e7bcd..f163041a43a 100644
--- a/htdocs/compta/paiement/card.php
+++ b/htdocs/compta/paiement/card.php
@@ -425,7 +425,7 @@ if ($resql) {
 	print '<tr class="liste_titre">';
 	print '<td>'.$langs->trans('Bill').'</td>';
 	print '<td>'.$langs->trans('Company').'</td>';
-	if (!empty($conf->multicompany->enabled) && !empty($conf->global->MULTICOMPANY_INVOICE_SHARING_ENABLED)) {
+	if (isModEnabled('multicompany') && !empty($conf->global->MULTICOMPANY_INVOICE_SHARING_ENABLED)) {
 		print '<td>'.$langs->trans('Entity').'</td>';
 	}
 	print '<td class="right">'.$langs->trans('ExpectedToPay').'</td>';
@@ -462,7 +462,7 @@ if ($resql) {
 			print '</td>';
 
 			// Expected to pay
-			if (!empty($conf->multicompany->enabled) && !empty($conf->global->MULTICOMPANY_INVOICE_SHARING_ENABLED)) {
+			if (isModEnabled('multicompany') && !empty($conf->global->MULTICOMPANY_INVOICE_SHARING_ENABLED)) {
 				print '<td>';
 				$mc->getInfo($objp->entity);
 				print $mc->label;
diff --git a/htdocs/core/ajax/onlineSign.php b/htdocs/core/ajax/onlineSign.php
index 0f4d274cc0d..5f59abea0b5 100644
--- a/htdocs/core/ajax/onlineSign.php
+++ b/htdocs/core/ajax/onlineSign.php
@@ -73,7 +73,7 @@ if ($type == 'proposal') {
 	$securekeyseed = getDolGlobalString('PROPOSAL_ONLINE_SIGNATURE_SECURITY_TOKEN');
 }
 
-if (empty($SECUREKEY) || !dol_verifyHash($securekeyseed.$type.$ref.(empty($conf->multicompany->enabled) ? '' : $entity), $SECUREKEY, '0')) {
+if (empty($SECUREKEY) || !dol_verifyHash($securekeyseed.$type.$ref.(!isModEnabled('multicompany') ? '' : $entity), $SECUREKEY, '0')) {
 	http_response_code(403);
 	print 'Bad value for securitykey. Value provided '.dol_escape_htmltag($SECUREKEY).' does not match expected value for ref='.dol_escape_htmltag($ref);
 	exit(-1);
diff --git a/htdocs/core/class/conf.class.php b/htdocs/core/class/conf.class.php
index 626052551d5..234f8d80e0c 100644
--- a/htdocs/core/class/conf.class.php
+++ b/htdocs/core/class/conf.class.php
@@ -371,7 +371,7 @@ class Conf
 			}
 
 			// Object $mc
-			if (!defined('NOREQUIREMC') && !empty($this->multicompany->enabled)) {
+			if (!defined('NOREQUIREMC') && isModEnabled('multicompany')) {
 				global $mc;
 				$ret = @dol_include_once('/multicompany/class/actions_multicompany.class.php');
 				if ($ret) {
@@ -425,7 +425,7 @@ class Conf
 			$rootfordata = DOL_DATA_ROOT;
 			$rootforuser = DOL_DATA_ROOT;
 			// If multicompany module is enabled, we redefine the root of data
-			if (!empty($this->multicompany->enabled) && !empty($this->entity) && $this->entity > 1) {
+			if (isModEnabled('multicompany') && !empty($this->entity) && $this->entity > 1) {
 				$rootfordata .= '/'.$this->entity;
 			}
 			// Set standard temporary folder name or global override
@@ -987,7 +987,7 @@ class Conf
 			}
 
 			// Object $mc
-			if (!defined('NOREQUIREMC') && !empty($this->multicompany->enabled)) {
+			if (!defined('NOREQUIREMC') && isModEnabled('multicompany')) {
 				if (is_object($mc)) {
 					$mc->setValues($this);
 				}
diff --git a/htdocs/core/class/defaultvalues.class.php b/htdocs/core/class/defaultvalues.class.php
index 278b5d5e0e6..57939f307a7 100644
--- a/htdocs/core/class/defaultvalues.class.php
+++ b/htdocs/core/class/defaultvalues.class.php
@@ -148,7 +148,7 @@ class DefaultValues extends CommonObject
 		if (empty($conf->global->MAIN_SHOW_TECHNICAL_ID) && isset($this->fields['rowid'])) {
 			$this->fields['rowid']['visible'] = 0;
 		}
-		if (empty($conf->multicompany->enabled) && isset($this->fields['entity'])) {
+		if (!isModEnabled('multicompany') && isset($this->fields['entity'])) {
 			$this->fields['entity']['enabled'] = 0;
 		}
 
diff --git a/htdocs/core/class/emailsenderprofile.class.php b/htdocs/core/class/emailsenderprofile.class.php
index b5b1619443b..583dd7faca0 100644
--- a/htdocs/core/class/emailsenderprofile.class.php
+++ b/htdocs/core/class/emailsenderprofile.class.php
@@ -149,7 +149,7 @@ class EmailSenderProfile extends CommonObject
 		if (empty($conf->global->MAIN_SHOW_TECHNICAL_ID)) {
 			$this->fields['rowid']['visible'] = 0;
 		}
-		if (empty($conf->multicompany->enabled)) {
+		if (!isModEnabled('multicompany')) {
 			$this->fields['entity']['enabled'] = 0;
 		}
 	}
diff --git a/htdocs/core/class/html.form.class.php b/htdocs/core/class/html.form.class.php
index b43db1c75fb..a8ae8a0af33 100644
--- a/htdocs/core/class/html.form.class.php
+++ b/htdocs/core/class/html.form.class.php
@@ -1961,11 +1961,11 @@ class Form
 
 		// Forge request to select users
 		$sql = "SELECT DISTINCT u.rowid, u.lastname as lastname, u.firstname, u.statut as status, u.login, u.admin, u.entity, u.photo";
-		if (!empty($conf->multicompany->enabled) && $conf->entity == 1 && $user->admin && !$user->entity) {
+		if (isModEnabled('multicompany') && $conf->entity == 1 && $user->admin && !$user->entity) {
 			$sql .= ", e.label";
 		}
 		$sql .= " FROM ".$this->db->prefix()."user as u";
-		if (!empty($conf->multicompany->enabled) && $conf->entity == 1 && $user->admin && !$user->entity) {
+		if (isModEnabled('multicompany') && $conf->entity == 1 && $user->admin && !$user->entity) {
 			$sql .= " LEFT JOIN ".$this->db->prefix()."entity as e ON e.rowid = u.entity";
 			if ($force_entity) {
 				$sql .= " WHERE u.entity IN (0, ".$this->db->sanitize($force_entity).")";
@@ -1973,7 +1973,7 @@ class Form
 				$sql .= " WHERE u.entity IS NOT NULL";
 			}
 		} else {
-			if (!empty($conf->multicompany->enabled) && !empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE)) {
+			if (isModEnabled('multicompany') && !empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE)) {
 				$sql .= " LEFT JOIN ".$this->db->prefix()."usergroup_user as ug";
 				$sql .= " ON ug.fk_user = u.rowid";
 				$sql .= " WHERE ug.entity = ".$conf->entity;
@@ -2075,7 +2075,7 @@ class Form
 							$moreinfo .= ($moreinfo ? ' - ' : ' (').$langs->trans('Disabled');
 						}
 					}
-					if (!empty($conf->multicompany->enabled) && empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE) && $conf->entity == 1 && $user->admin && !$user->entity) {
+					if (isModEnabled('multicompany') && empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE) && $conf->entity == 1 && $user->admin && !$user->entity) {
 						if (!$obj->entity) {
 							$moreinfo .= ($moreinfo ? ' - ' : ' (').$langs->trans("AllEntities");
 						} else {
@@ -9030,7 +9030,7 @@ class Form
 		/*
 		$addadmin = '';
 		if (property_exists($object, 'admin')) {
-			if (!empty($conf->multicompany->enabled) && !empty($object->admin) && empty($object->entity)) {
+			if (isModEnabled('multicompany') && !empty($object->admin) && empty($object->entity)) {
 				$addadmin .= img_picto($langs->trans("SuperAdministratorDesc"), "redstar", 'class="paddingleft"');
 			} elseif (!empty($object->admin)) {
 				$addadmin .= img_picto($langs->trans("AdministratorDesc"), "star", 'class="paddingleft"');
@@ -9477,11 +9477,11 @@ class Form
 
 		// On recherche les groupes
 		$sql = "SELECT ug.rowid, ug.nom as name";
-		if (!empty($conf->multicompany->enabled) && $conf->entity == 1 && $user->admin && !$user->entity) {
+		if (isModEnabled('multicompany') && $conf->entity == 1 && $user->admin && !$user->entity) {
 			$sql .= ", e.label";
 		}
 		$sql .= " FROM ".$this->db->prefix()."usergroup as ug ";
-		if (!empty($conf->multicompany->enabled) && $conf->entity == 1 && $user->admin && !$user->entity) {
+		if (isModEnabled('multicompany') && $conf->entity == 1 && $user->admin && !$user->entity) {
 			$sql .= " LEFT JOIN ".$this->db->prefix()."entity as e ON e.rowid=ug.entity";
 			if ($force_entity) {
 				$sql .= " WHERE ug.entity IN (0, ".$force_entity.")";
@@ -9531,7 +9531,7 @@ class Form
 					$out .= '>';
 
 					$out .= $obj->name;
-					if (!empty($conf->multicompany->enabled) && empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE) && $conf->entity == 1) {
+					if (isModEnabled('multicompany') && empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE) && $conf->entity == 1) {
 						$out .= " (".$obj->label.")";
 					}
 
diff --git a/htdocs/core/class/html.formfile.class.php b/htdocs/core/class/html.formfile.class.php
index d5a887fd40b..98b1fbd6593 100644
--- a/htdocs/core/class/html.formfile.class.php
+++ b/htdocs/core/class/html.formfile.class.php
@@ -992,7 +992,7 @@ class FormFile
 		$entity = 1; // Without multicompany
 
 		// Get object entity
-		if (!empty($conf->multicompany->enabled)) {
+		if (isModEnabled('multicompany')) {
 			$regs = array();
 			preg_match('/\/([0-9]+)\/[^\/]+\/'.preg_quote($modulesubdir, '/').'$/', $filedir, $regs);
 			$entity = ((!empty($regs[1]) && $regs[1] > 1) ? $regs[1] : 1); // If entity id not found in $filedir this is entity 1 by default
diff --git a/htdocs/core/lib/files.lib.php b/htdocs/core/lib/files.lib.php
index d306990daaa..147938fb53a 100644
--- a/htdocs/core/lib/files.lib.php
+++ b/htdocs/core/lib/files.lib.php
@@ -2421,7 +2421,7 @@ function dol_check_secure_access_document($modulepart, $original_file, $entity,
 		return 'ErrorBadParameter';
 	}
 	if (empty($entity)) {
-		if (empty($conf->multicompany->enabled)) {
+		if (!isModEnabled('multicompany')) {
 			$entity = 1;
 		} else {
 			$entity = 0;
diff --git a/htdocs/core/lib/functions.lib.php b/htdocs/core/lib/functions.lib.php
index 71161d77c64..3174fb132cd 100644
--- a/htdocs/core/lib/functions.lib.php
+++ b/htdocs/core/lib/functions.lib.php
@@ -7812,7 +7812,7 @@ function getCommonSubstitutionArray($outputlangs, $onlykey = 0, $exclude = null,
 		));
 	}
 
-	if (!empty($conf->multicompany->enabled)) {
+	if (isModEnabled('multicompany')) {
 		$substitutionarray = array_merge($substitutionarray, array('__ENTITY_ID__' => $conf->entity));
 	}
 	if (empty($exclude) || !in_array('system', $exclude)) {
diff --git a/htdocs/core/lib/payments.lib.php b/htdocs/core/lib/payments.lib.php
index 809b5f8dc73..5c9d9342b01 100644
--- a/htdocs/core/lib/payments.lib.php
+++ b/htdocs/core/lib/payments.lib.php
@@ -393,7 +393,7 @@ function getOnlinePaymentUrl($mode, $type, $ref = '', $amount = '9.99', $freetag
 	}
 
 	// For multicompany
-	if (!empty($out) && !empty($conf->multicompany->enabled)) {
+	if (!empty($out) && isModEnabled('multicompany')) {
 		$out .= "&entity=".$conf->entity; // Check the entity because we may have the same reference in several entities
 	}
 
diff --git a/htdocs/core/lib/security.lib.php b/htdocs/core/lib/security.lib.php
index cffed35070d..79b020b4883 100644
--- a/htdocs/core/lib/security.lib.php
+++ b/htdocs/core/lib/security.lib.php
@@ -796,7 +796,7 @@ function checkUserAccessToObject($user, array $featuresarray, $object = 0, $tabl
 		if (in_array($feature, $check) && $objectid > 0) {		// For $objectid = 0, no check
 			$sql = "SELECT COUNT(dbt.".$dbt_select.") as nb";
 			$sql .= " FROM ".MAIN_DB_PREFIX.$dbtablename." as dbt";
-			if (($feature == 'user' || $feature == 'usergroup') && !empty($conf->multicompany->enabled)) {	// Special for multicompany
+			if (($feature == 'user' || $feature == 'usergroup') && isModEnabled('multicompany')) {	// Special for multicompany
 				if (!empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE)) {
 					if ($conf->entity == 1 && $user->admin && !$user->entity) {
 						$sql .= " WHERE dbt.".$dbt_select." IN (".$db->sanitize($objectid, 1).")";
@@ -840,7 +840,7 @@ function checkUserAccessToObject($user, array $featuresarray, $object = 0, $tabl
 				$sql .= " AND sc.fk_user = ".((int) $user->id);
 				$sql .= " AND sc.fk_soc = s.rowid";
 				$sql .= " AND s.entity IN (".getEntity($sharedelement, 1).")";
-			} elseif (!empty($conf->multicompany->enabled)) {
+			} elseif (isModEnabled('multicompany')) {
 				// If multicompany and internal users with all permissions, check user is in correct entity
 				$sql = "SELECT COUNT(s.rowid) as nb";
 				$sql .= " FROM ".MAIN_DB_PREFIX."societe as s";
@@ -865,7 +865,7 @@ function checkUserAccessToObject($user, array $featuresarray, $object = 0, $tabl
 				$sql .= " WHERE dbt.".$dbt_select." IN (".$db->sanitize($objectid, 1).")";
 				$sql .= " AND (dbt.fk_soc IS NULL OR sc.fk_soc IS NOT NULL)"; // Contact not linked to a company or to a company of user
 				$sql .= " AND dbt.entity IN (".getEntity($sharedelement, 1).")";
-			} elseif (!empty($conf->multicompany->enabled)) {
+			} elseif (isModEnabled('multicompany')) {
 				// If multicompany and internal users with all permissions, check user is in correct entity
 				$sql = "SELECT COUNT(dbt.".$dbt_select.") as nb";
 				$sql .= " FROM ".MAIN_DB_PREFIX.$dbtablename." as dbt";
@@ -951,7 +951,7 @@ function checkUserAccessToObject($user, array $featuresarray, $object = 0, $tabl
 					$sql .= " AND dbt.entity IN (".getEntity($sharedelement, 1).")";
 					$sql .= " AND (sc.fk_user = ".((int) $user->id)." OR sc.fk_user IS NULL)";
 				}
-			} elseif (!empty($conf->multicompany->enabled)) {
+			} elseif (isModEnabled('multicompany')) {
 				// If multicompany and internal users with all permissions, check user is in correct entity
 				$sql = "SELECT COUNT(dbt.".$dbt_select.") as nb";
 				$sql .= " FROM ".MAIN_DB_PREFIX.$dbtablename." as dbt";
diff --git a/htdocs/core/lib/signature.lib.php b/htdocs/core/lib/signature.lib.php
index 1dbefb5719a..d2f0c64f463 100644
--- a/htdocs/core/lib/signature.lib.php
+++ b/htdocs/core/lib/signature.lib.php
@@ -90,7 +90,7 @@ function getOnlineSignatureUrl($mode, $type, $ref = '', $localorexternal = 1)
 		if ($mode == 1) {
 			$out .= "hash('".$securekeyseed."' + '".$type."' + proposal_ref)";
 		} else {
-			$out .= '&securekey='.dol_hash($securekeyseed.$type.$ref.(empty($conf->multicompany->enabled) ? '' : $object->entity), '0');
+			$out .= '&securekey='.dol_hash($securekeyseed.$type.$ref.(!isModEnabled('multicompany') ? '' : $object->entity), '0');
 		}
 		/*
 		if ($mode == 1) {
@@ -119,7 +119,7 @@ function getOnlineSignatureUrl($mode, $type, $ref = '', $localorexternal = 1)
 	}
 
 	// For multicompany
-	if (!empty($out) && !empty($conf->multicompany->enabled)) {
+	if (!empty($out) && isModEnabled('multicompany')) {
 		$out .= "&entity=".$conf->entity; // Check the entity because we may have the same reference in several entities
 	}
 
diff --git a/htdocs/core/login/functions_dolibarr.php b/htdocs/core/login/functions_dolibarr.php
index 610072aa35a..c4825998b3a 100644
--- a/htdocs/core/login/functions_dolibarr.php
+++ b/htdocs/core/login/functions_dolibarr.php
@@ -40,7 +40,7 @@ function check_user_password_dolibarr($usertotest, $passwordtotest, $entitytotes
 
 	// Force master entity in transversal mode
 	$entity = $entitytotest;
-	if (!empty($conf->multicompany->enabled) && !empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE)) {
+	if (isModEnabled('multicompany') && !empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE)) {
 		$entity = 1;
 	}
 
@@ -134,11 +134,11 @@ function check_user_password_dolibarr($usertotest, $passwordtotest, $entitytotes
 				}
 
 				// We must check entity
-				if ($passok && !empty($conf->multicompany->enabled)) {	// We must check entity
+				if ($passok && isModEnabled('multicompany')) {	// We must check entity
 					global $mc;
 
 					if (!isset($mc)) {
-						$conf->multicompany->enabled = false; // Global not available, disable $conf->multicompany->enabled for safety
+						!isModEnabled('multicompany'); // Global not available, disable $conf->multicompany->enabled for safety
 					} else {
 						$ret = $mc->checkRight($obj->rowid, $entitytotest);
 						if ($ret < 0) {
diff --git a/htdocs/core/login/functions_ldap.php b/htdocs/core/login/functions_ldap.php
index 022186b8de1..18800c3a19e 100644
--- a/htdocs/core/login/functions_ldap.php
+++ b/htdocs/core/login/functions_ldap.php
@@ -46,7 +46,7 @@ function check_user_password_ldap($usertotest, $passwordtotest, $entitytotest)
 
 	// Force master entity in transversal mode
 	$entity = $entitytotest;
-	if (!empty($conf->multicompany->enabled) && !empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE)) {
+	if (isModEnabled('multicompany') && !empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE)) {
 		$entity = 1;
 	}
 
@@ -228,7 +228,7 @@ function check_user_password_ldap($usertotest, $passwordtotest, $entitytotest)
 					unset($usertmp);
 				}
 
-				if (!empty($conf->multicompany->enabled)) {	// We must check entity (even if sync is not active)
+				if (isModEnabled('multicompany')) {	// We must check entity (even if sync is not active)
 					global $mc;
 
 					$usertmp = new User($db);
diff --git a/htdocs/core/modules/modCommande.class.php b/htdocs/core/modules/modCommande.class.php
index 70f06169394..4f2b58ff00d 100644
--- a/htdocs/core/modules/modCommande.class.php
+++ b/htdocs/core/modules/modCommande.class.php
@@ -221,7 +221,7 @@ class modCommande extends DolibarrModules
 		// Add multicompany field
 		if (!empty($conf->global->MULTICOMPANY_ENTITY_IN_EXPORT_IF_SHARED)) {
 			$nbofallowedentities = count(explode(',', getEntity('commande')));
-			if (!empty($conf->multicompany->enabled) && $nbofallowedentities > 1) {
+			if (isModEnabled('multicompany') && $nbofallowedentities > 1) {
 				$this->export_fields_array[$r]['c.entity'] = 'Entity';
 			}
 		}
diff --git a/htdocs/core/modules/modFacture.class.php b/htdocs/core/modules/modFacture.class.php
index 3cea4f0ff92..a819dae666c 100644
--- a/htdocs/core/modules/modFacture.class.php
+++ b/htdocs/core/modules/modFacture.class.php
@@ -538,7 +538,7 @@ class modFacture extends DolibarrModules
 		// Add multicompany field
 		if (!empty($conf->global->MULTICOMPANY_ENTITY_IN_EXPORT_IF_SHARED)) {
 			$nbofallowedentities = count(explode(',', getEntity('invoice')));
-			if (!empty($conf->multicompany->enabled) && $nbofallowedentities > 1) {
+			if (isModEnabled('multicompany') && $nbofallowedentities > 1) {
 				$this->export_fields_array[$r]['f.entity'] = 'Entity';
 			}
 		}
diff --git a/htdocs/core/modules/modProjet.class.php b/htdocs/core/modules/modProjet.class.php
index ebfba5d95b9..5f1ad7d2099 100644
--- a/htdocs/core/modules/modProjet.class.php
+++ b/htdocs/core/modules/modProjet.class.php
@@ -246,7 +246,7 @@ class modProjet extends DolibarrModules
 		// Add multicompany field
 		if (!empty($conf->global->MULTICOMPANY_ENTITY_IN_EXPORT_IF_SHARED)) {
 			$nbofallowedentities = count(explode(',', getEntity('project'))); // If project are shared, nb will be > 1
-			if (!empty($conf->multicompany->enabled) && $nbofallowedentities > 1) {
+			if (isModEnabled('multicompany') && $nbofallowedentities > 1) {
 				$this->export_fields_array[$r] += array('p.entity'=>'Entity');
 			}
 		}
diff --git a/htdocs/core/modules/modPropale.class.php b/htdocs/core/modules/modPropale.class.php
index f6443e6c992..13991cdcafa 100644
--- a/htdocs/core/modules/modPropale.class.php
+++ b/htdocs/core/modules/modPropale.class.php
@@ -207,7 +207,7 @@ class modPropale extends DolibarrModules
 		// Add multicompany field
 		if (!empty($conf->global->MULTICOMPANY_ENTITY_IN_EXPORT_IF_SHARED)) {
 			$nbofallowedentities = count(explode(',', getEntity('propal')));
-			if (!empty($conf->multicompany->enabled) && $nbofallowedentities > 1) {
+			if (isModEnabled('multicompany') && $nbofallowedentities > 1) {
 				$this->export_fields_array[$r]['c.entity'] = 'Entity';
 			}
 		}
diff --git a/htdocs/core/modules/modSociete.class.php b/htdocs/core/modules/modSociete.class.php
index bdbc1a2fbee..c11c37d11ef 100644
--- a/htdocs/core/modules/modSociete.class.php
+++ b/htdocs/core/modules/modSociete.class.php
@@ -295,7 +295,7 @@ class modSociete extends DolibarrModules
 		// Add multicompany field
 		if (!empty($conf->global->MULTICOMPANY_ENTITY_IN_EXPORT_IF_SHARED)) {
 			$nbofallowedentities = count(explode(',', getEntity('societe'))); // If project are shared, nb will be > 1
-			if (!empty($conf->multicompany->enabled) && $nbofallowedentities > 1) {
+			if (isModEnabled('multicompany') && $nbofallowedentities > 1) {
 				$this->export_fields_array[$r] += array('s.entity'=>'Entity');
 			}
 		}
@@ -379,7 +379,7 @@ class modSociete extends DolibarrModules
 		);
 		// Add multicompany field
 		if (! empty($conf->global->MULTICOMPANY_ENTITY_IN_EXPORT_IF_SHARED)) {
-			if (!empty($conf->multicompany->enabled)) {
+			if (isModEnabled('multicompany')) {
 				$nbofallowedentities = count(explode(',', getEntity('contact')));
 				if ($nbofallowedentities > 1) {
 					$this->export_fields_array[$r]['c.entity'] = 'Entity';
diff --git a/htdocs/core/multicompany_page.php b/htdocs/core/multicompany_page.php
index 4a3bcba51fb..690c971fd23 100644
--- a/htdocs/core/multicompany_page.php
+++ b/htdocs/core/multicompany_page.php
@@ -92,7 +92,7 @@ print '<div>';
 //print '<br>';
 
 
-if (empty($conf->multicompany->enabled)) {
+if (!isModEnabled('multicompany')) {
 	$langs->load("admin");
 	$bookmarkList .= '<br><span class="opacitymedium">'.$langs->trans("WarningModuleNotActive", $langs->transnoentitiesnoconv("MultiCompany")).'</span>';
 	$bookmarkList .= '<br><br>';
diff --git a/htdocs/core/tpl/admin_extrafields_add.tpl.php b/htdocs/core/tpl/admin_extrafields_add.tpl.php
index 1dbc0861adb..97748290bd7 100644
--- a/htdocs/core/tpl/admin_extrafields_add.tpl.php
+++ b/htdocs/core/tpl/admin_extrafields_add.tpl.php
@@ -205,7 +205,7 @@ $listofexamplesforlink = 'Societe:societe/class/societe.class.php<br>Contact:con
 <tr class="extra_totalizable"><td><?php echo $langs->trans("Totalizable"); ?></td><td class="valeur"><input id="totalizable" type="checkbox" name="totalizable"<?php echo ((GETPOST('totalizable', 'alpha') || GETPOST('button', 'alpha')) ? ' checked' : ''); ?>></td></tr>
 <!-- Help tooltip -->
 <tr class="help"><td><?php echo $form->textwithpicto($langs->trans("HelpOnTooltip"), $langs->trans("HelpOnTooltipDesc")); ?></td><td class="valeur"><input id="help" class="quatrevingtpercent" type="text" name="help" value="<?php echo dol_escape_htmltag((empty($help) ? '' : $help)); ?>"></td></tr>
-<?php if (!empty($conf->multicompany->enabled)) { ?>
+<?php if (isModEnabled('multicompany')) { ?>
 	<!-- Multicompany entity -->
 	<tr><td><?php echo $langs->trans("AllEntities"); ?></td><td class="valeur"><input id="entitycurrentorall" type="checkbox" name="entitycurrentorall"<?php echo (GETPOST('entitycurrentorall', 'alpha') ? '' : ' checked'); ?>></td></tr>
 <?php } ?>
diff --git a/htdocs/core/tpl/admin_extrafields_edit.tpl.php b/htdocs/core/tpl/admin_extrafields_edit.tpl.php
index a512222aca2..8dcc1edf017 100644
--- a/htdocs/core/tpl/admin_extrafields_edit.tpl.php
+++ b/htdocs/core/tpl/admin_extrafields_edit.tpl.php
@@ -296,7 +296,7 @@ if (in_array($type, array_keys($typewecanchangeinto))) {
 <!-- Help tooltip -->
 <tr class="help"><td><?php echo $form->textwithpicto($langs->trans("HelpOnTooltip"), $langs->trans("HelpOnTooltipDesc")); ?></td><td class="valeur"><input id="help" class="quatrevingtpercent" type="text" name="help" value="<?php echo dol_escape_htmltag($help); ?>"></td></tr>
 
-<?php if (!empty($conf->multicompany->enabled)) { ?>
+<?php if (isModEnabled('multicompany')) { ?>
 	<!-- Multicompany entity -->
 	<tr><td><?php echo $langs->trans("AllEntities"); ?></td><td class="valeur"><input id="entitycurrentorall" type="checkbox" name="entitycurrentorall"<?php echo (empty($entitycurrentorall) ? ' checked' : ''); ?>></td></tr>
 <?php } ?>
diff --git a/htdocs/core/tpl/admin_extrafields_view.tpl.php b/htdocs/core/tpl/admin_extrafields_view.tpl.php
index da1d2d58558..285b7eb30a4 100644
--- a/htdocs/core/tpl/admin_extrafields_view.tpl.php
+++ b/htdocs/core/tpl/admin_extrafields_view.tpl.php
@@ -65,7 +65,7 @@ print '<td class="center">'.$langs->trans("AlwaysEditable").'</td>';
 print '<td class="center">'.$form->textwithpicto($langs->trans("Visible"), $langs->trans("VisibleDesc")).'</td>';
 print '<td class="center">'.$form->textwithpicto($langs->trans("DisplayOnPdf"), $langs->trans("DisplayOnPdfDesc")).'</td>';
 print '<td class="center">'.$form->textwithpicto($langs->trans("Totalizable"), $langs->trans("TotalizableDesc")).'</td>';
-if (!empty($conf->multicompany->enabled)) {
+if (isModEnabled('multicompany')) {
 	print '<td class="center">'.$langs->trans("Entity").'</td>';
 }
 print '<td width="80">&nbsp;</td>';
@@ -113,7 +113,7 @@ if (isset($extrafields->attributes[$elementtype]['type']) && is_array($extrafiel
 		print '<td class="center tdoverflowmax100" title="'.dol_escape_htmltag($extrafields->attributes[$elementtype]['printable'][$key]).'">'.dol_escape_htmltag($extrafields->attributes[$elementtype]['printable'][$key])."</td>\n";
 		// Summable
 		print '<td class="center">'.yn($extrafields->attributes[$elementtype]['totalizable'][$key])."</td>\n";
-		if (!empty($conf->multicompany->enabled)) {
+		if (isModEnabled('multicompany')) {
 			print '<td class="center">';
 			if (empty($extrafields->attributes[$elementtype]['entityid'][$key])) {
 				print $langs->trans("All");
@@ -139,7 +139,7 @@ if (isset($extrafields->attributes[$elementtype]['type']) && is_array($extrafiel
 	}
 } else {
 	$colspan = 14;
-	if (!empty($conf->multicompany->enabled)) {
+	if (isModEnabled('multicompany')) {
 		$colspan++;
 	}
 
diff --git a/htdocs/cron/card.php b/htdocs/cron/card.php
index ed95546cd67..319c16c7d0c 100644
--- a/htdocs/cron/card.php
+++ b/htdocs/cron/card.php
@@ -612,7 +612,7 @@ if (($action == "create") || ($action == "edit")) {
 	}
 	print "</td></tr>";
 
-	if (!empty($conf->multicompany->enabled)) {
+	if (isModEnabled('multicompany')) {
 		print '<tr><td>';
 		print $langs->trans('Entity')."</td><td>";
 		if (empty($object->entity)) {
diff --git a/htdocs/ecm/class/ecmfiles.class.php b/htdocs/ecm/class/ecmfiles.class.php
index d70f5c863d7..3f4df8b847b 100644
--- a/htdocs/ecm/class/ecmfiles.class.php
+++ b/htdocs/ecm/class/ecmfiles.class.php
@@ -407,7 +407,7 @@ class EcmFiles extends CommonObject
 		$sql .= ' FROM '.MAIN_DB_PREFIX.$this->table_element.' as t';
 		$sql .= ' WHERE 1 = 1';
 		/* Fetching this table depends on filepath+filename, it must not depends on entity because filesystem on disk does not know what is Dolibarr entities
-		 if (! empty($conf->multicompany->enabled)) {
+		 if (isModEnabled('multicompany')) {
 		 $sql .= " AND entity IN (" . getEntity('ecmfiles') . ")";
 		 }*/
 		if ($relativepath) {
@@ -546,7 +546,7 @@ class EcmFiles extends CommonObject
 		}
 		$sql .= ' WHERE 1 = 1';
 		/* Fetching this table depends on filepath+filename, it must not depends on entity
-		 if (! empty($conf->multicompany->enabled)) {
+		 if (isModEnabled('multicompany')) {
 		 $sql .= " AND entity IN (" . getEntity('ecmfiles') . ")";
 		 }*/
 		if (count($sqlwhere) > 0) {
diff --git a/htdocs/emailcollector/class/emailcollector.class.php b/htdocs/emailcollector/class/emailcollector.class.php
index a87c90a6dd9..50b7047b90d 100644
--- a/htdocs/emailcollector/class/emailcollector.class.php
+++ b/htdocs/emailcollector/class/emailcollector.class.php
@@ -251,7 +251,7 @@ class EmailCollector extends CommonObject
 		if (empty($conf->global->MAIN_SHOW_TECHNICAL_ID) && isset($this->fields['rowid'])) {
 			$this->fields['rowid']['visible'] = 0;
 		}
-		if (empty($conf->multicompany->enabled) && isset($this->fields['entity'])) {
+		if (!isModEnabled('multicompany') && isset($this->fields['entity'])) {
 			$this->fields['entity']['enabled'] = 0;
 		}
 
diff --git a/htdocs/emailcollector/class/emailcollectoraction.class.php b/htdocs/emailcollector/class/emailcollectoraction.class.php
index 37bd93926cb..46b787fc6fd 100644
--- a/htdocs/emailcollector/class/emailcollectoraction.class.php
+++ b/htdocs/emailcollector/class/emailcollectoraction.class.php
@@ -158,7 +158,7 @@ class EmailCollectorAction extends CommonObject
 		if (empty($conf->global->MAIN_SHOW_TECHNICAL_ID) && isset($this->fields['rowid'])) {
 			$this->fields['rowid']['visible'] = 0;
 		}
-		if (empty($conf->multicompany->enabled) && isset($this->fields['entity'])) {
+		if (!isModEnabled('multicompany') && isset($this->fields['entity'])) {
 			$this->fields['entity']['enabled'] = 0;
 		}
 
diff --git a/htdocs/emailcollector/class/emailcollectorfilter.class.php b/htdocs/emailcollector/class/emailcollectorfilter.class.php
index 6386ee3c27f..c19610f14ad 100644
--- a/htdocs/emailcollector/class/emailcollectorfilter.class.php
+++ b/htdocs/emailcollector/class/emailcollectorfilter.class.php
@@ -127,7 +127,7 @@ class EmailCollectorFilter extends CommonObject
 		if (empty($conf->global->MAIN_SHOW_TECHNICAL_ID) && isset($this->fields['rowid'])) {
 			$this->fields['rowid']['visible'] = 0;
 		}
-		if (empty($conf->multicompany->enabled) && isset($this->fields['entity'])) {
+		if (!isModEnabled('multicompany') && isset($this->fields['entity'])) {
 			$this->fields['entity']['enabled'] = 0;
 		}
 
diff --git a/htdocs/eventorganization/class/conferenceorbooth.class.php b/htdocs/eventorganization/class/conferenceorbooth.class.php
index a2eb140c789..2c22bfb77ab 100644
--- a/htdocs/eventorganization/class/conferenceorbooth.class.php
+++ b/htdocs/eventorganization/class/conferenceorbooth.class.php
@@ -152,7 +152,7 @@ class ConferenceOrBooth extends ActionComm
 		if (empty($conf->global->MAIN_SHOW_TECHNICAL_ID) && isset($this->fields['rowid'])) {
 			$this->fields['id']['visible'] = 0;
 		}
-		if (empty($conf->multicompany->enabled) && isset($this->fields['entity'])) {
+		if (!isModEnabled('multicompany') && isset($this->fields['entity'])) {
 			$this->fields['entity']['enabled'] = 0;
 		}
 
diff --git a/htdocs/eventorganization/class/conferenceorboothattendee.class.php b/htdocs/eventorganization/class/conferenceorboothattendee.class.php
index 3dae278d3a1..158b29e4cf6 100644
--- a/htdocs/eventorganization/class/conferenceorboothattendee.class.php
+++ b/htdocs/eventorganization/class/conferenceorboothattendee.class.php
@@ -196,7 +196,7 @@ class ConferenceOrBoothAttendee extends CommonObject
 		if (empty($conf->global->MAIN_SHOW_TECHNICAL_ID) && isset($this->fields['rowid'])) {
 			$this->fields['rowid']['visible'] = 0;
 		}
-		if (empty($conf->multicompany->enabled) && isset($this->fields['entity'])) {
+		if (!isModEnabled('multicompany') && isset($this->fields['entity'])) {
 			$this->fields['entity']['enabled'] = 0;
 		}
 
diff --git a/htdocs/expensereport/card.php b/htdocs/expensereport/card.php
index 4110ba98e1b..05831c5dd97 100644
--- a/htdocs/expensereport/card.php
+++ b/htdocs/expensereport/card.php
@@ -83,7 +83,7 @@ if (! empty($conf->global->EXPENSEREPORT_PREFILL_DATES_WITH_CURRENT_MONTH)) {
 $rootfordata = DOL_DATA_ROOT;
 $rootforuser = DOL_DATA_ROOT;
 // If multicompany module is enabled, we redefine the root of data
-if (!empty($conf->multicompany->enabled) && !empty($conf->entity) && $conf->entity > 1) {
+if (isModEnabled('multicompany') && !empty($conf->entity) && $conf->entity > 1) {
 	$rootfordata .= '/'.$conf->entity;
 }
 $conf->expensereport->dir_output = $rootfordata.'/expensereport';
diff --git a/htdocs/fourn/commande/index.php b/htdocs/fourn/commande/index.php
index 052876f0616..3d5a111ed03 100644
--- a/htdocs/fourn/commande/index.php
+++ b/htdocs/fourn/commande/index.php
@@ -219,12 +219,12 @@ if ((isModEnabled("fournisseur") && empty($conf->global->MAIN_USE_NEW_SUPPLIERMO
  */
 
 $sql = "SELECT";
-if (!empty($conf->multicompany->enabled) && !empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE)) {
+if (isModEnabled('multicompany') && !empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE)) {
 	$sql .= " DISTINCT";
 }
 $sql .= " u.rowid, u.lastname, u.firstname, u.email, u.statut";
 $sql .= " FROM ".MAIN_DB_PREFIX."user as u";
-if (!empty($conf->multicompany->enabled) && !empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE)) {
+if (isModEnabled('multicompany') && !empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE)) {
 	$sql .= ",".MAIN_DB_PREFIX."usergroup_user as ug";
 	$sql .= " WHERE ((ug.fk_user = u.rowid";
 	$sql .= " AND ug.entity IN (".getEntity('usergroup')."))";
diff --git a/htdocs/holiday/class/holiday.class.php b/htdocs/holiday/class/holiday.class.php
index 714e0ddb55e..9b8462c1adf 100644
--- a/htdocs/holiday/class/holiday.class.php
+++ b/htdocs/holiday/class/holiday.class.php
@@ -1765,13 +1765,13 @@ class Holiday extends CommonObject
 			if ($type) {
 				// If user of Dolibarr
 				$sql = "SELECT";
-				if (!empty($conf->multicompany->enabled) && !empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE)) {
+				if (isModEnabled('multicompany') && !empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE)) {
 					$sql .= " DISTINCT";
 				}
 				$sql .= " u.rowid";
 				$sql .= " FROM ".MAIN_DB_PREFIX."user as u";
 
-				if (!empty($conf->multicompany->enabled) && !empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE)) {
+				if (isModEnabled('multicompany') && !empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE)) {
 					$sql .= ", ".MAIN_DB_PREFIX."usergroup_user as ug";
 					$sql .= " WHERE ((ug.fk_user = u.rowid";
 					$sql .= " AND ug.entity IN (".getEntity('usergroup')."))";
@@ -1855,13 +1855,13 @@ class Holiday extends CommonObject
 			if ($type) {
 				// If we need users of Dolibarr
 				$sql = "SELECT";
-				if (!empty($conf->multicompany->enabled) && !empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE)) {
+				if (isModEnabled('multicompany') && !empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE)) {
 					$sql .= " DISTINCT";
 				}
 				$sql .= " u.rowid, u.lastname, u.firstname, u.gender, u.photo, u.employee, u.statut, u.fk_user";
 				$sql .= " FROM ".MAIN_DB_PREFIX."user as u";
 
-				if (!empty($conf->multicompany->enabled) && !empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE)) {
+				if (isModEnabled('multicompany') && !empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE)) {
 					$sql .= ", ".MAIN_DB_PREFIX."usergroup_user as ug";
 					$sql .= " WHERE ((ug.fk_user = u.rowid";
 					$sql .= " AND ug.entity IN (".getEntity('usergroup')."))";
diff --git a/htdocs/hrm/class/evaluation.class.php b/htdocs/hrm/class/evaluation.class.php
index 77403631725..4915d44fb6f 100644
--- a/htdocs/hrm/class/evaluation.class.php
+++ b/htdocs/hrm/class/evaluation.class.php
@@ -189,7 +189,7 @@ class Evaluation extends CommonObject
 		if (empty($conf->global->MAIN_SHOW_TECHNICAL_ID) && isset($this->fields['rowid'])) {
 			$this->fields['rowid']['visible'] = 0;
 		}
-		if (empty($conf->multicompany->enabled) && isset($this->fields['entity'])) {
+		if (!isModEnabled('multicompany') && isset($this->fields['entity'])) {
 			$this->fields['entity']['enabled'] = 0;
 		}
 
diff --git a/htdocs/hrm/class/evaluationdet.class.php b/htdocs/hrm/class/evaluationdet.class.php
index 8fd7d3b177a..239e66ee48f 100644
--- a/htdocs/hrm/class/evaluationdet.class.php
+++ b/htdocs/hrm/class/evaluationdet.class.php
@@ -178,7 +178,7 @@ class Evaluationline extends CommonObject
 		if (empty($conf->global->MAIN_SHOW_TECHNICAL_ID) && isset($this->fields['rowid'])) {
 			$this->fields['rowid']['visible'] = 0;
 		}
-		if (empty($conf->multicompany->enabled) && isset($this->fields['entity'])) {
+		if (!isModEnabled('multicompany') && isset($this->fields['entity'])) {
 			$this->fields['entity']['enabled'] = 0;
 		}
 
diff --git a/htdocs/hrm/class/job.class.php b/htdocs/hrm/class/job.class.php
index c21335f2df5..bc5af1f661d 100644
--- a/htdocs/hrm/class/job.class.php
+++ b/htdocs/hrm/class/job.class.php
@@ -177,7 +177,7 @@ class Job extends CommonObject
 		if (empty($conf->global->MAIN_SHOW_TECHNICAL_ID) && isset($this->fields['rowid'])) {
 			$this->fields['rowid']['visible'] = 0;
 		}
-		if (empty($conf->multicompany->enabled) && isset($this->fields['entity'])) {
+		if (!isModEnabled('multicompany') && isset($this->fields['entity'])) {
 			$this->fields['entity']['enabled'] = 0;
 		}
 
diff --git a/htdocs/hrm/class/position.class.php b/htdocs/hrm/class/position.class.php
index 9416907b8ed..37a8300a1e2 100644
--- a/htdocs/hrm/class/position.class.php
+++ b/htdocs/hrm/class/position.class.php
@@ -188,7 +188,7 @@ class Position extends CommonObject
 		if (empty($conf->global->MAIN_SHOW_TECHNICAL_ID) && isset($this->fields['rowid'])) {
 			//$this->fields['rowid']['visible'] = 0;
 		}
-		if (empty($conf->multicompany->enabled) && isset($this->fields['entity'])) {
+		if (!isModEnabled('multicompany') && isset($this->fields['entity'])) {
 			$this->fields['entity']['enabled'] = 0;
 		}
 
diff --git a/htdocs/hrm/class/skill.class.php b/htdocs/hrm/class/skill.class.php
index d9f4073e11e..99dc0902f95 100644
--- a/htdocs/hrm/class/skill.class.php
+++ b/htdocs/hrm/class/skill.class.php
@@ -189,7 +189,7 @@ class Skill extends CommonObject
 		if (empty($conf->global->MAIN_SHOW_TECHNICAL_ID) && isset($this->fields['rowid'])) {
 			$this->fields['rowid']['visible'] = 0;
 		}
-		if (empty($conf->multicompany->enabled) && isset($this->fields['entity'])) {
+		if (!isModEnabled('multicompany') && isset($this->fields['entity'])) {
 			$this->fields['entity']['enabled'] = 0;
 		}
 
diff --git a/htdocs/hrm/class/skilldet.class.php b/htdocs/hrm/class/skilldet.class.php
index 3c24ca78415..d1ae24b7efe 100644
--- a/htdocs/hrm/class/skilldet.class.php
+++ b/htdocs/hrm/class/skilldet.class.php
@@ -169,7 +169,7 @@ class Skilldet extends CommonObject
 		if (empty($conf->global->MAIN_SHOW_TECHNICAL_ID) && isset($this->fields['rowid'])) {
 			$this->fields['rowid']['visible'] = 0;
 		}
-		if (empty($conf->multicompany->enabled) && isset($this->fields['entity'])) {
+		if (!isModEnabled('multicompany') && isset($this->fields['entity'])) {
 			$this->fields['entity']['enabled'] = 0;
 		}
 
diff --git a/htdocs/hrm/class/skillrank.class.php b/htdocs/hrm/class/skillrank.class.php
index 6e2413c4f5f..c5f5ccb8ff7 100644
--- a/htdocs/hrm/class/skillrank.class.php
+++ b/htdocs/hrm/class/skillrank.class.php
@@ -177,7 +177,7 @@ class SkillRank extends CommonObject
 		if (empty($conf->global->MAIN_SHOW_TECHNICAL_ID) && isset($this->fields['rowid'])) {
 			$this->fields['rowid']['visible'] = 0;
 		}
-		if (empty($conf->multicompany->enabled) && isset($this->fields['entity'])) {
+		if (!isModEnabled('multicompany') && isset($this->fields['entity'])) {
 			$this->fields['entity']['enabled'] = 0;
 		}
 
diff --git a/htdocs/hrm/establishment/card.php b/htdocs/hrm/establishment/card.php
index 1fe67dd0bd1..1b30eed663a 100644
--- a/htdocs/hrm/establishment/card.php
+++ b/htdocs/hrm/establishment/card.php
@@ -178,7 +178,7 @@ if ($action == 'create') {
 
 	// Entity
 	/*
-	if (! empty($conf->multicompany->enabled)) {
+	if (isModEnabled('multicompany')) {
 		print '<tr>';
 		print '<td>'.$form->editfieldkey('Parent', 'entity', '', $object, 0, 'string', '', 1).'</td>';
 		print '<td class="maxwidthonsmartphone">';
@@ -282,7 +282,7 @@ if (($id || $ref) && $action == 'edit') {
 
 			// Entity
 			/*
-			if (! empty($conf->multicompany->enabled)) {
+			if (isModEnabled('multicompany')) {
 				print '<tr><td>'.$form->editfieldkey('Parent', 'entity', '', $object, 0, 'string', '', 1).'</td>';
 				print '<td class="maxwidthonsmartphone">';
 				print $object->entity > 0 ? $object->entity : $conf->entity;
@@ -371,7 +371,7 @@ if ($object->id > 0 && (empty($action) || ($action != 'edit' && $action != 'crea
 
 	// Entity
 	/*
-	if ($conf->multicompany->enabled) {
+	if (!isModEnabled('multicompany') {
 		print '<tr>';
 		print '<td class="titlefield">'.$langs->trans("Entity").'</td>';
 		print '<td>'.$object->entity.'</td>';
diff --git a/htdocs/hrm/skill_tab.php b/htdocs/hrm/skill_tab.php
index 52c45c72848..c48a7c405c6 100644
--- a/htdocs/hrm/skill_tab.php
+++ b/htdocs/hrm/skill_tab.php
@@ -259,7 +259,7 @@ if ($object->id > 0 && (empty($action) || ($action != 'edit' && $action != 'crea
 		print '<td>';
 		$addadmin = '';
 		if (property_exists($object, 'admin')) {
-			if (!empty($conf->multicompany->enabled) && !empty($object->admin) && empty($object->entity)) {
+			if (isModEnabled('multicompany') && !empty($object->admin) && empty($object->entity)) {
 				$addadmin .= img_picto($langs->trans("SuperAdministratorDesc"), "redstar", 'class="paddingleft"');
 			} elseif (!empty($object->admin)) {
 				$addadmin .= img_picto($langs->trans("AdministratorDesc"), "star", 'class="paddingleft"');
diff --git a/htdocs/install/upgrade2.php b/htdocs/install/upgrade2.php
index a9e48c96bf3..a7216b6ad72 100644
--- a/htdocs/install/upgrade2.php
+++ b/htdocs/install/upgrade2.php
@@ -420,7 +420,7 @@ if (!GETPOST('action', 'aZ09') || preg_match('/upgrade/i', GETPOST('action', 'aZ
 			$afterversionarray = explode('.', '5.0.9');
 			$beforeversionarray = explode('.', '6.0.9');
 			if (versioncompare($versiontoarray, $afterversionarray) >= 0 && versioncompare($versiontoarray, $beforeversionarray) <= 0) {
-				if (!empty($conf->multicompany->enabled)) {
+				if (isModEnabled('multicompany')) {
 					global $multicompany_transverse_mode;
 
 					// Only if the transverse mode is not used
diff --git a/htdocs/knowledgemanagement/class/knowledgerecord.class.php b/htdocs/knowledgemanagement/class/knowledgerecord.class.php
index d48be5e2a21..f063db604e0 100644
--- a/htdocs/knowledgemanagement/class/knowledgerecord.class.php
+++ b/htdocs/knowledgemanagement/class/knowledgerecord.class.php
@@ -187,7 +187,7 @@ class KnowledgeRecord extends CommonObject
 		if (empty($conf->global->MAIN_SHOW_TECHNICAL_ID) && isset($this->fields['rowid'])) {
 			$this->fields['rowid']['visible'] = 0;
 		}
-		if (empty($conf->multicompany->enabled) && isset($this->fields['entity'])) {
+		if (!isModEnabled('multicompany') && isset($this->fields['entity'])) {
 			$this->fields['entity']['enabled'] = 0;
 		}
 
diff --git a/htdocs/modulebuilder/template/class/myobject.class.php b/htdocs/modulebuilder/template/class/myobject.class.php
index f3538d65cfa..94f57bdd776 100644
--- a/htdocs/modulebuilder/template/class/myobject.class.php
+++ b/htdocs/modulebuilder/template/class/myobject.class.php
@@ -253,7 +253,7 @@ class MyObject extends CommonObject
 		if (empty($conf->global->MAIN_SHOW_TECHNICAL_ID) && isset($this->fields['rowid']) && !empty($this->fields['ref'])) {
 			$this->fields['rowid']['visible'] = 0;
 		}
-		if (empty($conf->multicompany->enabled) && isset($this->fields['entity'])) {
+		if (!isModEnabled('multicompany') && isset($this->fields['entity'])) {
 			$this->fields['entity']['enabled'] = 0;
 		}
 
diff --git a/htdocs/mrp/class/mo.class.php b/htdocs/mrp/class/mo.class.php
index d186c6e533b..4a3a6bc8dd8 100644
--- a/htdocs/mrp/class/mo.class.php
+++ b/htdocs/mrp/class/mo.class.php
@@ -224,7 +224,7 @@ class Mo extends CommonObject
 		if (empty($conf->global->MAIN_SHOW_TECHNICAL_ID) && isset($this->fields['rowid'])) {
 			$this->fields['rowid']['visible'] = 0;
 		}
-		if (empty($conf->multicompany->enabled) && isset($this->fields['entity'])) {
+		if (!isModEnabled('multicompany') && isset($this->fields['entity'])) {
 			$this->fields['entity']['enabled'] = 0;
 		}
 
@@ -1637,7 +1637,7 @@ class MoLine extends CommonObjectLine
 		if (empty($conf->global->MAIN_SHOW_TECHNICAL_ID) && isset($this->fields['rowid'])) {
 			$this->fields['rowid']['visible'] = 0;
 		}
-		if (empty($conf->multicompany->enabled) && isset($this->fields['entity'])) {
+		if (!isModEnabled('multicompany') && isset($this->fields['entity'])) {
 			$this->fields['entity']['enabled'] = 0;
 		}
 
diff --git a/htdocs/partnership/admin/website.php b/htdocs/partnership/admin/website.php
index 49fd7ff91df..2b1a6d4d365 100644
--- a/htdocs/partnership/admin/website.php
+++ b/htdocs/partnership/admin/website.php
@@ -220,7 +220,7 @@ if (!empty($conf->global->PARTNERSHIP_ENABLE_PUBLIC)) {
 	print '<br>';
 	//print $langs->trans('FollowingLinksArePublic').'<br>';
 	print img_picto('', 'globe').' <span class="opacitymedium">'.$langs->trans('BlankSubscriptionForm').'</span><br>';
-	if (!empty($conf->multicompany->enabled)) {
+	if (isModEnabled('multicompany')) {
 		$entity_qr = '?entity='.$conf->entity;
 	} else {
 		$entity_qr = '';
diff --git a/htdocs/partnership/class/partnership.class.php b/htdocs/partnership/class/partnership.class.php
index 38d8c333749..8b1ede66506 100644
--- a/htdocs/partnership/class/partnership.class.php
+++ b/htdocs/partnership/class/partnership.class.php
@@ -204,7 +204,7 @@ class Partnership extends CommonObject
 		if (empty($conf->global->MAIN_SHOW_TECHNICAL_ID) && isset($this->fields['rowid']) && !empty($this->fields['ref'])) {
 			$this->fields['rowid']['visible'] = 0;
 		}
-		// if (empty($conf->multicompany->enabled) && isset($this->fields['entity'])) {
+		// if (!isModEnabled('multicompany') && isset($this->fields['entity'])) {
 		// 	$this->fields['entity']['enabled'] = 0;
 		// }
 
diff --git a/htdocs/partnership/class/partnership_type.class.php b/htdocs/partnership/class/partnership_type.class.php
index e0163ba4dfc..32162ae0b97 100644
--- a/htdocs/partnership/class/partnership_type.class.php
+++ b/htdocs/partnership/class/partnership_type.class.php
@@ -90,7 +90,7 @@ class PartnershipType extends CommonObject
 		if (empty($conf->global->MAIN_SHOW_TECHNICAL_ID) && isset($this->fields['rowid'])) {
 			$this->fields['rowid']['visible'] = 0;
 		}
-		if (empty($conf->multicompany->enabled) && isset($this->fields['entity'])) {
+		if (!isModEnabled('multicompany') && isset($this->fields['entity'])) {
 			$this->fields['entity']['enabled'] = 0;
 		}
 
diff --git a/htdocs/product/admin/product.php b/htdocs/product/admin/product.php
index 24b34dc5ccc..8696b27e521 100644
--- a/htdocs/product/admin/product.php
+++ b/htdocs/product/admin/product.php
@@ -338,7 +338,7 @@ foreach ($dirproduct as $dirroot) {
 					print "</td>\n";
 				} else {
 					$disabled = false;
-					if (!empty($conf->multicompany->enabled) && (is_object($mc) && !empty($mc->sharings['referent']) && $mc->sharings['referent'] == $conf->entity) ? false : true) {
+					if (isModEnabled('multicompany') && (is_object($mc) && !empty($mc->sharings['referent']) && $mc->sharings['referent'] == $conf->entity) ? false : true) {
 					}
 					print '<td class="center">';
 					if (!$disabled) {
@@ -556,7 +556,7 @@ print '</tr>';
 // Rule for price
 
 print '<tr class="oddeven">';
-if (empty($conf->multicompany->enabled)) {
+if (!isModEnabled('multicompany')) {
 	print '<td>'.$langs->trans("PricingRule").'</td>';
 } else {
 	print '<td>'.$form->textwithpicto($langs->trans("PricingRule"), $langs->trans("SamePriceAlsoForSharedCompanies"), 1).'</td>';
diff --git a/htdocs/product/class/productfournisseurprice.class.php b/htdocs/product/class/productfournisseurprice.class.php
index 8f166f702b1..4cbd998a0f6 100644
--- a/htdocs/product/class/productfournisseurprice.class.php
+++ b/htdocs/product/class/productfournisseurprice.class.php
@@ -178,7 +178,7 @@ class ProductFournisseurPrice extends CommonObject
 		$this->db = $db;
 
 		if (empty($conf->global->MAIN_SHOW_TECHNICAL_ID) && isset($this->fields['rowid'])) $this->fields['rowid']['visible'] = 0;
-		if (empty($conf->multicompany->enabled) && isset($this->fields['entity'])) $this->fields['entity']['enabled'] = 0;
+		if (!isModEnabled('multicompany') && isset($this->fields['entity'])) $this->fields['entity']['enabled'] = 0;
 
 		// Unset fields that are disabled
 		foreach ($this->fields as $key => $val) {
diff --git a/htdocs/product/inventory/class/inventory.class.php b/htdocs/product/inventory/class/inventory.class.php
index 4bbbecf4dfb..f00f90e120b 100644
--- a/htdocs/product/inventory/class/inventory.class.php
+++ b/htdocs/product/inventory/class/inventory.class.php
@@ -233,7 +233,7 @@ class Inventory extends CommonObject
 		if (empty($conf->global->MAIN_SHOW_TECHNICAL_ID)) {
 			$this->fields['rowid']['visible'] = 0;
 		}
-		if (empty($conf->multicompany->enabled)) {
+		if (!isModEnabled('multicompany')) {
 			$this->fields['entity']['enabled'] = 0;
 		}
 	}
diff --git a/htdocs/product/stock/stocktransfer/class/stocktransfer.class.php b/htdocs/product/stock/stocktransfer/class/stocktransfer.class.php
index b642642b1a3..fbf66d90468 100644
--- a/htdocs/product/stock/stocktransfer/class/stocktransfer.class.php
+++ b/htdocs/product/stock/stocktransfer/class/stocktransfer.class.php
@@ -197,7 +197,7 @@ class StockTransfer extends CommonObject
 		$this->origin_type = 'StockTransfer@product/stock/stocktransfer';
 
 		if (empty($conf->global->MAIN_SHOW_TECHNICAL_ID) && isset($this->fields['rowid'])) $this->fields['rowid']['visible'] = 0;
-		if (empty($conf->multicompany->enabled) && isset($this->fields['entity'])) $this->fields['entity']['enabled'] = 0;
+		if (!isModEnabled('multicompany') && isset($this->fields['entity'])) $this->fields['entity']['enabled'] = 0;
 
 		// Example to show how to set values of fields definition dynamically
 		/*if ($user->rights->stocktransfer->stocktransfer->read) {
diff --git a/htdocs/product/stock/stocktransfer/class/stocktransferline.class.php b/htdocs/product/stock/stocktransfer/class/stocktransferline.class.php
index 427d577b436..0495dada008 100644
--- a/htdocs/product/stock/stocktransfer/class/stocktransferline.class.php
+++ b/htdocs/product/stock/stocktransfer/class/stocktransferline.class.php
@@ -165,7 +165,7 @@ class StockTransferLine extends CommonObjectLine
 		$this->db = $db;
 
 		if (empty($conf->global->MAIN_SHOW_TECHNICAL_ID) && isset($this->fields['rowid'])) $this->fields['rowid']['visible'] = 0;
-		if (empty($conf->multicompany->enabled) && isset($this->fields['entity'])) $this->fields['entity']['enabled'] = 0;
+		if (!isModEnabled('multicompany') && isset($this->fields['entity'])) $this->fields['entity']['enabled'] = 0;
 
 		// Example to show how to set values of fields definition dynamically
 		/*if ($user->rights->stocktransfer->stocktransferline->read) {
diff --git a/htdocs/projet/admin/website.php b/htdocs/projet/admin/website.php
index 37b858757ca..eead379c804 100644
--- a/htdocs/projet/admin/website.php
+++ b/htdocs/projet/admin/website.php
@@ -158,7 +158,7 @@ if (!empty($conf->global->PROJECT_ENABLE_PUBLIC)) {
 	print '<br>';
 	//print $langs->trans('FollowingLinksArePublic').'<br>';
 	print img_picto('', 'globe').' <span class="opacitymedium">'.$langs->trans('BlankSubscriptionForm').'</span><br>';
-	if (!empty($conf->multicompany->enabled)) {
+	if (isModEnabled('multicompany')) {
 		$entity_qr = '?entity='.$conf->entity;
 	} else {
 		$entity_qr = '';
diff --git a/htdocs/public/onlinesign/newonlinesign.php b/htdocs/public/onlinesign/newonlinesign.php
index e698c20c4f0..c7264ade568 100644
--- a/htdocs/public/onlinesign/newonlinesign.php
+++ b/htdocs/public/onlinesign/newonlinesign.php
@@ -139,7 +139,7 @@ if ($source == 'proposal') {
 	$securekeyseed = getDolGlobalString('PROPOSAL_ONLINE_SIGNATURE_SECURITY_TOKEN');
 }
 
-if (!dol_verifyHash($securekeyseed.$type.$ref.(empty($conf->multicompany->enabled) ? '' : $entity), $SECUREKEY, '0')) {
+if (!dol_verifyHash($securekeyseed.$type.$ref.(!isModEnabled('multicompany') ? '' : $entity), $SECUREKEY, '0')) {
 	http_response_code(403);
 	print 'Bad value for securitykey. Value provided '.dol_escape_htmltag($SECUREKEY).' does not match expected value for ref='.dol_escape_htmltag($ref);
 	exit(-1);
@@ -193,7 +193,7 @@ $replacemainarea = (empty($conf->dol_hide_leftmenu) ? '<div>' : '').'<div>';
 llxHeader($head, $langs->trans("OnlineSignature"), '', '', 0, 0, '', '', '', 'onlinepaymentbody', $replacemainarea, 1);
 
 if ($action == 'refusepropal') {
-	print $form->formconfirm($_SERVER["PHP_SELF"].'?ref='.urlencode($ref).'&securekey='.urlencode($SECUREKEY).($conf->multicompany->enabled?'&entity='.$entity:''), $langs->trans('RefusePropal'), $langs->trans('ConfirmRefusePropal', $object->ref), 'confirm_refusepropal', '', '', 1);
+	print $form->formconfirm($_SERVER["PHP_SELF"].'?ref='.urlencode($ref).'&securekey='.urlencode($SECUREKEY).(isModEnabled('multicompany')?'&entity='.$entity:''), $langs->trans('RefusePropal'), $langs->trans('ConfirmRefusePropal', $object->ref), 'confirm_refusepropal', '', '', 1);
 }
 
 // Check link validity for param 'source' to avoid use of the examples as value
@@ -429,7 +429,7 @@ if ($action == "dosign" && empty($cancel)) {
 					success: function(response) {
 						if(response == "success"){
 							console.log("Success on saving signature");
-							window.location.replace("'.$_SERVER["PHP_SELF"].'?ref='.urlencode($ref).'&message=signed&securekey='.urlencode($SECUREKEY).($conf->multicompany->enabled?'&entity='.$entity:'').'");
+							window.location.replace("'.$_SERVER["PHP_SELF"].'?ref='.urlencode($ref).'&message=signed&securekey='.urlencode($SECUREKEY).(isModEnabled('multicompany')?'&entity='.$entity:'').'");
 						}else{
 							console.error(response);
 						}
diff --git a/htdocs/public/stripe/ipn.php b/htdocs/public/stripe/ipn.php
index 6674ce9c6de..29e22c72de7 100644
--- a/htdocs/public/stripe/ipn.php
+++ b/htdocs/public/stripe/ipn.php
@@ -126,7 +126,7 @@ try {
 $langs->load("main");
 
 
-if (!empty($conf->multicompany->enabled) && !empty($conf->stripeconnect->enabled) && is_object($mc)) {
+if (isModEnabled('multicompany') && !empty($conf->stripeconnect->enabled) && is_object($mc)) {
 	$sql = "SELECT entity";
 	$sql .= " FROM ".MAIN_DB_PREFIX."oauth_token";
 	$sql .= " WHERE service = '".$db->escape($service)."' and tokenstring LIKE '%".$db->escape($event->account)."%'";
diff --git a/htdocs/public/ticket/create_ticket.php b/htdocs/public/ticket/create_ticket.php
index 1c302c33b2e..33b3b8bdccd 100644
--- a/htdocs/public/ticket/create_ticket.php
+++ b/htdocs/public/ticket/create_ticket.php
@@ -425,7 +425,7 @@ if (empty($reshook) && $action == 'create_ticket' && GETPOST('save', 'alpha')) {
 			$messagetoshow = str_replace(array('{s1}', '{s2}'), array('<strong>'.$object->track_id.'</strong>', '<strong>'.$object->ref.'</strong>'), $messagetoshow);
 			setEventMessages($messagetoshow, null, 'warnings');
 			setEventMessages($langs->trans('PleaseRememberThisId'), null, 'warnings');
-			header("Location: index.php".(!empty($entity) && !empty($conf->multicompany->enabled)?'?entity='.$entity:''));
+			header("Location: index.php".(!empty($entity) && isModEnabled('multicompany')?'?entity='.$entity:''));
 			exit;
 		}
 	} else {
diff --git a/htdocs/public/ticket/index.php b/htdocs/public/ticket/index.php
index f7abe746832..4ea314c8149 100644
--- a/htdocs/public/ticket/index.php
+++ b/htdocs/public/ticket/index.php
@@ -84,9 +84,9 @@ llxHeaderTicket($langs->trans("Tickets"), "", 0, 0, $arrayofjs, $arrayofcss);
 print '<div class="ticketpublicarea">';
 print '<p style="text-align: center">'.($conf->global->TICKET_PUBLIC_TEXT_HOME ? $conf->global->TICKET_PUBLIC_TEXT_HOME : $langs->trans("TicketPublicDesc")).'</p>';
 print '<div class="ticketform">';
-print '<a href="create_ticket.php'.(!empty($entity) && !empty($conf->multicompany->enabled)?'?entity='.$entity:'').'" rel="nofollow noopener" class="butAction marginbottomonly"><div class="index_create bigrounded"><span class="fa fa-15x fa-plus-circle valignmiddle btnTitle-icon"></span><br>'.dol_escape_htmltag($langs->trans("CreateTicket")).'</div></a>';
-print '<a href="list.php'.(!empty($entity) && !empty($conf->multicompany->enabled)?'?entity='.$entity:'').'" rel="nofollow noopener" class="butAction marginbottomonly"><div class="index_display bigrounded"><span class="fa fa-15x fa-list-alt valignmiddle btnTitle-icon"></span><br>'.dol_escape_htmltag($langs->trans("ViewMyTicketList")).'</div></a>';
-print '<a href="view.php'.(!empty($entity) && !empty($conf->multicompany->enabled)?'?entity='.$entity:'').'" rel="nofollow noopener" class="butAction marginbottomonly"><div class="index_display bigrounded">'.img_picto('', 'ticket', 'class="fa-15x"').'<br>'.dol_escape_htmltag($langs->trans("ShowTicketWithTrackId")).'</div></a>';
+print '<a href="create_ticket.php'.(!empty($entity) && isModEnabled('multicompany')?'?entity='.$entity:'').'" rel="nofollow noopener" class="butAction marginbottomonly"><div class="index_create bigrounded"><span class="fa fa-15x fa-plus-circle valignmiddle btnTitle-icon"></span><br>'.dol_escape_htmltag($langs->trans("CreateTicket")).'</div></a>';
+print '<a href="list.php'.(!empty($entity) && isModEnabled('multicompany')?'?entity='.$entity:'').'" rel="nofollow noopener" class="butAction marginbottomonly"><div class="index_display bigrounded"><span class="fa fa-15x fa-list-alt valignmiddle btnTitle-icon"></span><br>'.dol_escape_htmltag($langs->trans("ViewMyTicketList")).'</div></a>';
+print '<a href="view.php'.(!empty($entity) && isModEnabled('multicompany')?'?entity='.$entity:'').'" rel="nofollow noopener" class="butAction marginbottomonly"><div class="index_display bigrounded">'.img_picto('', 'ticket', 'class="fa-15x"').'<br>'.dol_escape_htmltag($langs->trans("ShowTicketWithTrackId")).'</div></a>';
 print '<div style="clear:both;"></div>';
 print '</div>';
 print '</div>';
diff --git a/htdocs/public/ticket/list.php b/htdocs/public/ticket/list.php
index a15beff2856..ec7698ceb00 100644
--- a/htdocs/public/ticket/list.php
+++ b/htdocs/public/ticket/list.php
@@ -221,7 +221,7 @@ if ($action == "view_ticketlist") {
 
 		$filter = array();
 		$param = '&action=view_ticketlist';
-		if (!empty($entity) && !empty($conf->multicompany->enabled)) {
+		if (!empty($entity) && isModEnabled('multicompany')) {
 			$param .= '&entity='.$entity;
 		}
 
@@ -242,7 +242,7 @@ if ($action == "view_ticketlist") {
 			't.fk_user_create' => array('label' => $langs->trans("Author"), 'checked' => 1),
 			't.fk_user_assign' => array('label' => $langs->trans("AssignedTo"), 'checked' => 0),
 
-			//'t.entity'=>array('label'=>$langs->trans("Entity"), 'checked'=>1, 'enabled'=>(! empty($conf->multicompany->enabled) && empty($conf->multicompany->transverse_mode))),
+			//'t.entity'=>array('label'=>$langs->trans("Entity"), 'checked'=>1, 'enabled'=>(isModEnabled('multicompany') && empty($conf->multicompany->transverse_mode))),
 			//'t.datec' => array('label' => $langs->trans("DateCreation"), 'checked' => 0, 'position' => 500),
 			//'t.tms' => array('label' => $langs->trans("DateModificationShort"), 'checked' => 0, 'position' => 2)
 			//'t.statut'=>array('label'=>$langs->trans("Status"), 'checked'=>1, 'position'=>1000),
@@ -401,7 +401,7 @@ if ($action == "view_ticketlist") {
 				print_barre_liste($langs->trans('TicketList'), $page, '/public/ticket/list.php', $param, $sortfield, $sortorder, '', $num, $num_total, 'ticket');
 
 				// Search bar
-				print '<form method="POST" action="'.$_SERVER['PHP_SELF'].(!empty($entity) && !empty($conf->multicompany->enabled)?'?entity='.$entity:'').'" id="searchFormList" >'."\n";
+				print '<form method="POST" action="'.$_SERVER['PHP_SELF'].(!empty($entity) && isModEnabled('multicompany')?'?entity='.$entity:'').'" id="searchFormList" >'."\n";
 				print '<input type="hidden" name="formfilteraction" id="formfilteraction" value="list">';
 				print '<input type="hidden" name="action" value="view_ticketlist">';
 				print '<input type="hidden" name="sortfield" value="'.$sortfield.'">';
@@ -688,7 +688,7 @@ if ($action == "view_ticketlist") {
 				print '</table>';
 				print '</form>';
 
-				print '<form method="post" id="form_view_ticket" name="form_view_ticket" action="'.dol_buildpath('/public/ticket/view.php', 1).(!empty($entity) && !empty($conf->multicompany->enabled)?'?entity='.$entity:'').'" style="display:none;">';
+				print '<form method="post" id="form_view_ticket" name="form_view_ticket" action="'.dol_buildpath('/public/ticket/view.php', 1).(!empty($entity) && isModEnabled('multicompany')?'?entity='.$entity:'').'" style="display:none;">';
 				print '<input type="hidden" name="token" value="'.newToken().'">';
 				print '<input type="hidden" name="action" value="view_ticket">';
 				print '<input type="hidden" name="btn_view_ticket_list" value="1">';
@@ -713,7 +713,7 @@ if ($action == "view_ticketlist") {
 	print '<br>';
 
 	print '<div id="form_view_ticket">';
-	print '<form method="post" name="form_view_ticketlist" action="'.$_SERVER['PHP_SELF'].(!empty($entity) && !empty($conf->multicompany->enabled)?'?entity='.$entity:'').'">';
+	print '<form method="post" name="form_view_ticketlist" action="'.$_SERVER['PHP_SELF'].(!empty($entity) && isModEnabled('multicompany')?'?entity='.$entity:'').'">';
 	print '<input type="hidden" name="token" value="'.newToken().'">';
 	print '<input type="hidden" name="action" value="view_ticketlist">';
 	//print '<input type="hidden" name="search_fk_status" value="non_closed">';
diff --git a/htdocs/public/ticket/view.php b/htdocs/public/ticket/view.php
index 29a850128ed..50885cfc822 100644
--- a/htdocs/public/ticket/view.php
+++ b/htdocs/public/ticket/view.php
@@ -170,7 +170,7 @@ if ($action == "view_ticket" || $action == "presend" || $action == "close" || $a
 		if ($object->dao->close($user)) {
 			setEventMessages($langs->trans('TicketMarkedAsClosed'), null, 'mesgs');
 
-			$url = 'view.php?action=view_ticket&track_id='.GETPOST('track_id', 'alpha').(!empty($entity) && !empty($conf->multicompany->enabled)?'&entity='.$entity:'');
+			$url = 'view.php?action=view_ticket&track_id='.GETPOST('track_id', 'alpha').(!empty($entity) && isModEnabled('multicompany')?'&entity='.$entity:'');
 			header("Location: ".$url);
 			exit;
 		} else {
@@ -234,7 +234,7 @@ if ($action == "view_ticket" || $action == "presend" || $action == "close" || $a
 	if ($display_ticket) {
 		// Confirmation close
 		if ($action == 'close') {
-			print $form->formconfirm($_SERVER["PHP_SELF"]."?track_id=".$track_id.(!empty($entity) && !empty($conf->multicompany->enabled)?'&entity='.$entity:''), $langs->trans("CloseATicket"), $langs->trans("ConfirmCloseAticket"), "confirm_public_close", '', '', 1);
+			print $form->formconfirm($_SERVER["PHP_SELF"]."?track_id=".$track_id.(!empty($entity) && isModEnabled('multicompany')?'&entity='.$entity:''), $langs->trans("CloseATicket"), $langs->trans("ConfirmCloseAticket"), "confirm_public_close", '', '', 1);
 		}
 
 		print '<div id="form_view_ticket" class="margintoponly">';
@@ -347,7 +347,7 @@ if ($action == "view_ticket" || $action == "presend" || $action == "close" || $a
 			$formticket->id = $object->dao->id;
 
 			$formticket->param = array('track_id' => $object->dao->track_id, 'fk_user_create' => '-1',
-									   'returnurl' => DOL_URL_ROOT.'/public/ticket/view.php'.(!empty($entity) && !empty($conf->multicompany->enabled)?'?entity='.$entity:''));
+									   'returnurl' => DOL_URL_ROOT.'/public/ticket/view.php'.(!empty($entity) && isModEnabled('multicompany')?'?entity='.$entity:''));
 
 			$formticket->withfile = 2;
 			$formticket->withcancel = 1;
@@ -356,7 +356,7 @@ if ($action == "view_ticket" || $action == "presend" || $action == "close" || $a
 		}
 
 		if ($action != 'presend') {
-			print '<form method="post" id="form_view_ticket_list" name="form_view_ticket_list" action="'.DOL_URL_ROOT.'/public/ticket/list.php'.(!empty($entity) && !empty($conf->multicompany->enabled)?'?entity='.$entity:'').'">';
+			print '<form method="post" id="form_view_ticket_list" name="form_view_ticket_list" action="'.DOL_URL_ROOT.'/public/ticket/list.php'.(!empty($entity) && isModEnabled('multicompany')?'?entity='.$entity:'').'">';
 			print '<input type="hidden" name="token" value="'.newToken().'">';
 			print '<input type="hidden" name="action" value="view_ticketlist">';
 			print '<input type="hidden" name="track_id" value="'.$object->dao->track_id.'">';
@@ -371,11 +371,11 @@ if ($action == "view_ticket" || $action == "presend" || $action == "close" || $a
 
 			if ($object->dao->fk_statut < Ticket::STATUS_CLOSED) {
 				// New message
-				print '<div class="inline-block divButAction"><a  class="butAction" href="'.$_SERVER['PHP_SELF'].'?action=presend&mode=init&track_id='.$object->dao->track_id.(!empty($entity) && !empty($conf->multicompany->enabled)?'&entity='.$entity:'').'">'.$langs->trans('AddMessage').'</a></div>';
+				print '<div class="inline-block divButAction"><a  class="butAction" href="'.$_SERVER['PHP_SELF'].'?action=presend&mode=init&track_id='.$object->dao->track_id.(!empty($entity) && isModEnabled('multicompany')?'&entity='.$entity:'').'">'.$langs->trans('AddMessage').'</a></div>';
 
 				// Close ticket
 				if ($object->dao->fk_statut >= Ticket::STATUS_NOT_READ && $object->dao->fk_statut < Ticket::STATUS_CLOSED) {
-					print '<div class="inline-block divButAction"><a  class="butAction" href="'.$_SERVER['PHP_SELF'].'?action=close&track_id='.$object->dao->track_id.(!empty($entity) && !empty($conf->multicompany->enabled)?'&entity='.$entity:'').'">'.$langs->trans('CloseTicket').'</a></div>';
+					print '<div class="inline-block divButAction"><a  class="butAction" href="'.$_SERVER['PHP_SELF'].'?action=close&track_id='.$object->dao->track_id.(!empty($entity) && isModEnabled('multicompany')?'&entity='.$entity:'').'">'.$langs->trans('CloseTicket').'</a></div>';
 				}
 			}
 
@@ -386,13 +386,13 @@ if ($action == "view_ticket" || $action == "presend" || $action == "close" || $a
 		print load_fiche_titre($langs->trans('TicketMessagesList'), '', 'conversation');
 		$object->viewTicketMessages(false, true, $object->dao);
 	} else {
-		print '<div class="error">Not Allowed<br><a href="'.$_SERVER['PHP_SELF'].'?track_id='.$object->dao->track_id.(!empty($entity) && !empty($conf->multicompany->enabled)?'?entity='.$entity:'').'" rel="nofollow noopener">'.$langs->trans('Back').'</a></div>';
+		print '<div class="error">Not Allowed<br><a href="'.$_SERVER['PHP_SELF'].'?track_id='.$object->dao->track_id.(!empty($entity) && isModEnabled('multicompany')?'?entity='.$entity:'').'" rel="nofollow noopener">'.$langs->trans('Back').'</a></div>';
 	}
 } else {
 	print '<div class="center opacitymedium margintoponly marginbottomonly">'.$langs->trans("TicketPublicMsgViewLogIn").'</div>';
 
 	print '<div id="form_view_ticket">';
-	print '<form method="post" name="form_view_ticket" action="'.$_SERVER['PHP_SELF'].(!empty($entity) && !empty($conf->multicompany->enabled)?'?entity='.$entity:'').'">';
+	print '<form method="post" name="form_view_ticket" action="'.$_SERVER['PHP_SELF'].(!empty($entity) && isModEnabled('multicompany')?'?entity='.$entity:'').'">';
 	print '<input type="hidden" name="token" value="'.newToken().'">';
 	print '<input type="hidden" name="action" value="view_ticket">';
 
diff --git a/htdocs/recruitment/admin/public_interface.php b/htdocs/recruitment/admin/public_interface.php
index 7212a687442..f145b0b39a9 100644
--- a/htdocs/recruitment/admin/public_interface.php
+++ b/htdocs/recruitment/admin/public_interface.php
@@ -144,7 +144,7 @@ if (!empty($conf->global->RECRUITMENT_ENABLE_PUBLIC_INTERFACE)) {
 	print '<br>';
 	//print $langs->trans('FollowingLinksArePublic').'<br>';
 	print img_picto('', 'globe').' <span class="opacitymedium">'.$langs->trans('BlankSubscriptionForm').'</span><br>';
-	if (!empty($conf->multicompany->enabled)) {
+	if (isModEnabled('multicompany')) {
 		$entity_qr = '?entity='.$conf->entity;
 	} else {
 		$entity_qr = '';
diff --git a/htdocs/recruitment/class/recruitmentcandidature.class.php b/htdocs/recruitment/class/recruitmentcandidature.class.php
index 060f51ebefe..849ac400066 100644
--- a/htdocs/recruitment/class/recruitmentcandidature.class.php
+++ b/htdocs/recruitment/class/recruitmentcandidature.class.php
@@ -174,7 +174,7 @@ class RecruitmentCandidature extends CommonObject
 		if (empty($conf->global->MAIN_SHOW_TECHNICAL_ID) && isset($this->fields['rowid'])) {
 			$this->fields['rowid']['visible'] = 0;
 		}
-		if (empty($conf->multicompany->enabled) && isset($this->fields['entity'])) {
+		if (!isModEnabled('multicompany') && isset($this->fields['entity'])) {
 			$this->fields['entity']['enabled'] = 0;
 		}
 
diff --git a/htdocs/recruitment/class/recruitmentjobposition.class.php b/htdocs/recruitment/class/recruitmentjobposition.class.php
index e0a59b0e3a6..9d97ab856e0 100644
--- a/htdocs/recruitment/class/recruitmentjobposition.class.php
+++ b/htdocs/recruitment/class/recruitmentjobposition.class.php
@@ -182,7 +182,7 @@ class RecruitmentJobPosition extends CommonObject
 		if (empty($conf->global->MAIN_SHOW_TECHNICAL_ID) && isset($this->fields['rowid'])) {
 			$this->fields['rowid']['visible'] = 0;
 		}
-		if (empty($conf->multicompany->enabled) && isset($this->fields['entity'])) {
+		if (!isModEnabled('multicompany') && isset($this->fields['entity'])) {
 			$this->fields['entity']['enabled'] = 0;
 		}
 
diff --git a/htdocs/recruitment/lib/recruitment_recruitmentjobposition.lib.php b/htdocs/recruitment/lib/recruitment_recruitmentjobposition.lib.php
index 4e9b8d33e36..179f26a84c7 100644
--- a/htdocs/recruitment/lib/recruitment_recruitmentjobposition.lib.php
+++ b/htdocs/recruitment/lib/recruitment_recruitmentjobposition.lib.php
@@ -143,7 +143,7 @@ function getPublicJobPositionUrl($mode, $ref = '', $localorexternal = 0)
 	}*/
 
 	// For multicompany
-	if (!empty($out) && !empty($conf->multicompany->enabled)) {
+	if (!empty($out) && isModEnabled('multicompany')) {
 		$out .= "&entity=".$conf->entity; // Check the entity because we may have the same reference in several entities
 	}
 
diff --git a/htdocs/societe/admin/societe.php b/htdocs/societe/admin/societe.php
index 40f92007f38..f9f5f800a04 100644
--- a/htdocs/societe/admin/societe.php
+++ b/htdocs/societe/admin/societe.php
@@ -406,7 +406,7 @@ foreach ($arrayofmodules as $file => $modCodeTiers) {
 		print img_picto($langs->trans("Activated"), 'switch_on');
 		print "</td>\n";
 	} else {
-		$disabled = (!empty($conf->multicompany->enabled) && (is_object($mc) && !empty($mc->sharings['referent']) && $mc->sharings['referent'] != $conf->entity) ? true : false);
+		$disabled = (isModEnabled('multicompany') && (is_object($mc) && !empty($mc->sharings['referent']) && $mc->sharings['referent'] != $conf->entity) ? true : false);
 		print '<td class="center">';
 		if (!$disabled) {
 			print '<a class="reposition" href="'.$_SERVER['PHP_SELF'].'?action=setcodeclient&token='.newToken().'&value='.urlencode($file).'">';
diff --git a/htdocs/societe/class/companypaymentmode.class.php b/htdocs/societe/class/companypaymentmode.class.php
index 2cce0ccac86..162badd9e12 100644
--- a/htdocs/societe/class/companypaymentmode.class.php
+++ b/htdocs/societe/class/companypaymentmode.class.php
@@ -235,7 +235,7 @@ class CompanyPaymentMode extends CommonObject
 		if (empty($conf->global->MAIN_SHOW_TECHNICAL_ID) && isset($this->fields['rowid'])) {
 			$this->fields['rowid']['visible'] = 0;
 		}
-		if (empty($conf->multicompany->enabled) && isset($this->fields['entity'])) {
+		if (!isModEnabled('multicompany') && isset($this->fields['entity'])) {
 			$this->fields['entity']['enabled'] = 0;
 		}
 	}
diff --git a/htdocs/societe/class/societe.class.php b/htdocs/societe/class/societe.class.php
index cb20caca7ab..ee2d71f6d12 100644
--- a/htdocs/societe/class/societe.class.php
+++ b/htdocs/societe/class/societe.class.php
@@ -1737,7 +1737,7 @@ class Societe extends CommonObject
 		$sql .= ', st.libelle as stcomm, st.picto as stcomm_picto';
 		$sql .= ', te.code as typent_code';
 		$sql .= ', i.libelle as label_incoterms';
-		if (empty($conf->multicompany->enabled)) {
+		if (!isModEnabled('multicompany')) {
 			$sql .= ', s.remise_client, s.remise_supplier';
 		} else {
 			$sql .= ', sr.remise_client, sr2.remise_supplier';
@@ -1756,7 +1756,7 @@ class Societe extends CommonObject
 		$sql .= ' LEFT JOIN '.MAIN_DB_PREFIX.'c_incoterms as i ON s.fk_incoterms = i.rowid';
 		// With default setup, llx_societe_remise is a history table in default setup and current value is in llx_societe.
 		// We use it for real value when multicompany is on. A better place would be into llx_societe_perentity.
-		if (!empty($conf->multicompany->enabled)) {
+		if (isModEnabled('multicompany')) {
 			$sql .= ' LEFT JOIN '.MAIN_DB_PREFIX.'societe_remise as sr ON sr.rowid = (SELECT MAX(rowid) FROM '.MAIN_DB_PREFIX.'societe_remise WHERE fk_soc = s.rowid AND entity IN ('.getEntity('discount').'))';
 			$sql .= ' LEFT JOIN '.MAIN_DB_PREFIX.'societe_remise_supplier as sr2 ON sr2.rowid = (SELECT MAX(rowid) FROM '.MAIN_DB_PREFIX.'societe_remise_supplier WHERE fk_soc = s.rowid AND entity IN ('.getEntity('discount').'))';
 		}
@@ -2378,7 +2378,7 @@ class Societe extends CommonObject
 		$sql = "SELECT DISTINCT u.rowid, u.login, u.lastname, u.firstname, u.office_phone, u.job, u.email, u.statut as status, u.entity, u.photo, u.gender";
 		$sql .= ", u.office_fax, u.user_mobile, u.personal_mobile";
 		$sql .= " FROM ".MAIN_DB_PREFIX."societe_commerciaux as sc, ".MAIN_DB_PREFIX."user as u";
-		if (!empty($conf->multicompany->enabled) && !empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE)) {
+		if (isModEnabled('multicompany') && !empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE)) {
 			$sql .= ", ".MAIN_DB_PREFIX."usergroup_user as ug";
 			$sql .= " WHERE ((ug.fk_user = sc.fk_user";
 			$sql .= " AND ug.entity = ".$conf->entity.")";
diff --git a/htdocs/ticket/class/cticketcategory.class.php b/htdocs/ticket/class/cticketcategory.class.php
index aa971d9a5d5..dd8b75292ad 100644
--- a/htdocs/ticket/class/cticketcategory.class.php
+++ b/htdocs/ticket/class/cticketcategory.class.php
@@ -189,7 +189,7 @@ class CTicketCategory extends CommonObject
 		if (empty($conf->global->MAIN_SHOW_TECHNICAL_ID) && isset($this->fields['rowid'])) {
 			$this->fields['rowid']['visible'] = 0;
 		}
-		if (empty($conf->multicompany->enabled) && isset($this->fields['entity'])) {
+		if (!isModEnabled('multicompany') && isset($this->fields['entity'])) {
 			$this->fields['entity']['enabled'] = 0;
 		}
 
diff --git a/htdocs/user/bank.php b/htdocs/user/bank.php
index 1b7ca92bbbb..fed40e6a1bd 100644
--- a/htdocs/user/bank.php
+++ b/htdocs/user/bank.php
@@ -331,7 +331,7 @@ if ($action != 'edit' && $action != 'create') {		// If not bank account yet, $ac
 		print '<td>';
 		$addadmin = '';
 		if (property_exists($object, 'admin')) {
-			if (!empty($conf->multicompany->enabled) && !empty($object->admin) && empty($object->entity)) {
+			if (isModEnabled('multicompany') && !empty($object->admin) && empty($object->entity)) {
 				$addadmin .= img_picto($langs->trans("SuperAdministratorDesc"), "redstar", 'class="paddingleft"');
 			} elseif (!empty($object->admin)) {
 				$addadmin .= img_picto($langs->trans("AdministratorDesc"), "star", 'class="paddingleft"');
diff --git a/htdocs/user/card.php b/htdocs/user/card.php
index 5b64ad6225f..853c4d91e2f 100644
--- a/htdocs/user/card.php
+++ b/htdocs/user/card.php
@@ -312,7 +312,7 @@ if (empty($reshook)) {
 
 			// Set entity property
 			$entity = GETPOST('entity', 'int');
-			if (!empty($conf->multicompany->enabled)) {
+			if (isModEnabled('multicompany')) {
 				if (GETPOST('superadmin', 'int')) {
 					$object->entity = 0;
 				} else {
@@ -476,7 +476,7 @@ if (empty($reshook)) {
 				$object->lang = GETPOST('default_lang', 'aZ09');
 
 				// Do we update also ->entity ?
-				if (!empty($conf->multicompany->enabled) && empty($user->entity) && !empty($user->admin)) {	// If multicompany is not enabled, we never update the entity of a user.
+				if (isModEnabled('multicompany') && empty($user->entity) && !empty($user->admin)) {	// If multicompany is not enabled, we never update the entity of a user.
 					if (GETPOST('superadmin', 'int')) {
 						$object->entity = 0;
 					} else {
@@ -886,7 +886,7 @@ if ($action == 'create' || $action == 'adduserldap') {
 		print '<td>';
 		print $form->selectyesno('admin', GETPOST('admin'), 1);
 
-		if (!empty($conf->multicompany->enabled) && !$user->entity) {
+		if (isModEnabled('multicompany') && !$user->entity) {
 			if (!empty($conf->use_javascript_ajax)) {
 				print '<script type="text/javascript">
                             $(function() {
@@ -1181,7 +1181,7 @@ if ($action == 'create' || $action == 'adduserldap') {
 	}
 
 	// Multicompany
-	if (!empty($conf->multicompany->enabled) && is_object($mc)) {
+	if (isModEnabled('multicompany') && is_object($mc)) {
 		// This is now done with hook formObjectOptions. Keep this code for backward compatibility with old multicompany module
 		if (!method_exists($mc, 'formObjectOptions')) {
 			if (empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE) && $conf->entity == 1 && $user->admin && !$user->entity) {	// condition must be same for create and edit mode
@@ -1435,7 +1435,7 @@ if ($action == 'create' || $action == 'adduserldap') {
 				print '<td>';
 				$addadmin = '';
 				if (property_exists($object, 'admin')) {
-					if (!empty($conf->multicompany->enabled) && !empty($object->admin) && empty($object->entity)) {
+					if (isModEnabled('multicompany') && !empty($object->admin) && empty($object->entity)) {
 						$addadmin .= img_picto($langs->trans("SuperAdministratorDesc"), "redstar", 'class="paddingleft"');
 					} elseif (!empty($object->admin)) {
 						$addadmin .= img_picto($langs->trans("AdministratorDesc"), "star", 'class="paddingleft"');
@@ -1654,10 +1654,10 @@ if ($action == 'create' || $action == 'adduserldap') {
 			}
 
 			// Multicompany
-			if (!empty($conf->multicompany->enabled) && is_object($mc)) {
+			if (isModEnabled('multicompany') && is_object($mc)) {
 				// This is now done with hook formObjectOptions. Keep this code for backward compatibility with old multicompany module
 				if (!method_exists($mc, 'formObjectOptions')) {
-					if (!empty($conf->multicompany->enabled) && empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE) && $conf->entity == 1 && $user->admin && !$user->entity) {
+					if (isModEnabled('multicompany') && empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE) && $conf->entity == 1 && $user->admin && !$user->entity) {
 						print '<tr><td>'.$langs->trans("Entity").'</td><td>';
 						if (empty($object->entity)) {
 							print $langs->trans("AllEntities");
@@ -1864,7 +1864,7 @@ if ($action == 'create' || $action == 'adduserldap') {
 					print dolGetButtonAction($langs->trans('SendMail'), '', 'default', $_SERVER['PHP_SELF'] . '?id=' . $object->id . '&action=presend&mode=init#formmailbeforetitle', '', $canSendMail, $params);
 				}
 
-				if ($caneditfield && (empty($conf->multicompany->enabled) || !$user->entity || ($object->entity == $conf->entity) || ($conf->global->MULTICOMPANY_TRANSVERSE_MODE && $object->entity == 1))) {
+				if ($caneditfield && (!isModEnabled('multicompany') || !$user->entity || ($object->entity == $conf->entity) || ($conf->global->MULTICOMPANY_TRANSVERSE_MODE && $object->entity == 1))) {
 					$params = array(
 						'attr' => array(
 							'title' => '',
@@ -1878,7 +1878,7 @@ if ($action == 'create' || $action == 'adduserldap') {
 						print dolGetButtonAction($langs->trans('Modify'), '', 'default', $_SERVER['PHP_SELF'].'?id='.$object->id.'&amp;action=edit&token='.newToken(), '', true, $params);
 					}
 				} elseif ($caneditpassword && !$object->ldap_sid &&
-				(empty($conf->multicompany->enabled) || !$user->entity || ($object->entity == $conf->entity) || ($conf->global->MULTICOMPANY_TRANSVERSE_MODE && $object->entity == 1))) {
+				(!isModEnabled('multicompany') || !$user->entity || ($object->entity == $conf->entity) || ($conf->global->MULTICOMPANY_TRANSVERSE_MODE && $object->entity == 1))) {
 					$params = array(
 						'attr' => array(
 							'title' => '',
@@ -1900,7 +1900,7 @@ if ($action == 'create' || $action == 'adduserldap') {
 						$params['attr']['title'] = $langs->trans('UserDisabled');
 						print dolGetButtonAction($langs->trans('ReinitPassword'), '', 'default', $_SERVER['PHP_SELF'].'#', '', false, $params);
 					} elseif (($user->id != $id && $caneditpassword) && $object->login && !$object->ldap_sid &&
-					((empty($conf->multicompany->enabled) && $object->entity == $user->entity) || !$user->entity || ($object->entity == $conf->entity) || ($conf->global->MULTICOMPANY_TRANSVERSE_MODE && $object->entity == 1))) {
+					((!isModEnabled('multicompany') && $object->entity == $user->entity) || !$user->entity || ($object->entity == $conf->entity) || ($conf->global->MULTICOMPANY_TRANSVERSE_MODE && $object->entity == 1))) {
 						print dolGetButtonAction($langs->trans('ReinitPassword'), '', 'default', $_SERVER['PHP_SELF'].'?id='.$object->id.'&action=password&token='.newToken(), '', true, $params);
 					}
 
@@ -1908,7 +1908,7 @@ if ($action == 'create' || $action == 'adduserldap') {
 						$params['attr']['title'] = $langs->trans('UserDisabled');
 						print dolGetButtonAction($langs->trans('SendNewPassword'), '', 'default', $_SERVER['PHP_SELF'].'#', '', false, $params);
 					} elseif (($user->id != $id && $caneditpassword) && $object->login && !$object->ldap_sid &&
-					((empty($conf->multicompany->enabled) && $object->entity == $user->entity) || !$user->entity || ($object->entity == $conf->entity) || ($conf->global->MULTICOMPANY_TRANSVERSE_MODE && $object->entity == 1))) {
+					((!isModEnabled('multicompany') && $object->entity == $user->entity) || !$user->entity || ($object->entity == $conf->entity) || ($conf->global->MULTICOMPANY_TRANSVERSE_MODE && $object->entity == 1))) {
 						if ($object->email) {
 							print dolGetButtonAction($langs->trans('SendNewPassword'), '', 'default', $_SERVER['PHP_SELF'].'?id='.$object->id.'&action=passwordsend&token='.newToken(), '', true, $params);
 						} else {
@@ -1926,12 +1926,12 @@ if ($action == 'create' || $action == 'adduserldap') {
 					)
 				);
 				if ($user->id <> $id && $candisableuser && $object->statut == 0 &&
-				((empty($conf->multicompany->enabled) && $object->entity == $user->entity) || !$user->entity || ($object->entity == $conf->entity) || ($conf->global->MULTICOMPANY_TRANSVERSE_MODE && $object->entity == 1))) {
+				((!isModEnabled('multicompany') && $object->entity == $user->entity) || !$user->entity || ($object->entity == $conf->entity) || ($conf->global->MULTICOMPANY_TRANSVERSE_MODE && $object->entity == 1))) {
 					print dolGetButtonAction($langs->trans('Reactivate'), '', 'default', $_SERVER['PHP_SELF'] . '?id=' . $object->id . '&action=enable&token='.newToken(), '', true, $params);
 				}
 				// Disable user
 				if ($user->id <> $id && $candisableuser && $object->statut == 1 &&
-				((empty($conf->multicompany->enabled) && $object->entity == $user->entity) || !$user->entity || ($object->entity == $conf->entity) || ($conf->global->MULTICOMPANY_TRANSVERSE_MODE && $object->entity == 1))) {
+				((!isModEnabled('multicompany') && $object->entity == $user->entity) || !$user->entity || ($object->entity == $conf->entity) || ($conf->global->MULTICOMPANY_TRANSVERSE_MODE && $object->entity == 1))) {
 					print dolGetButtonAction($langs->trans('DisableUser'), '', 'default', $_SERVER['PHP_SELF'] . '?id=' . $object->id . '&action=disable&token='.newToken(), '', true, $params);
 				} else {
 					if ($user->id == $id) {
@@ -1941,7 +1941,7 @@ if ($action == 'create' || $action == 'adduserldap') {
 				}
 				// Delete
 				if ($user->id <> $id && $candisableuser &&
-				((empty($conf->multicompany->enabled) && $object->entity == $user->entity) || !$user->entity || ($object->entity == $conf->entity) || ($conf->global->MULTICOMPANY_TRANSVERSE_MODE && $object->entity == 1))) {
+				((!isModEnabled('multicompany') && $object->entity == $user->entity) || !$user->entity || ($object->entity == $conf->entity) || ($conf->global->MULTICOMPANY_TRANSVERSE_MODE && $object->entity == 1))) {
 					if ($user->admin || !$object->admin) { // If user edited is admin, delete is possible on for an admin
 						print dolGetButtonAction($langs->trans('DeleteUser'), '', 'default', $_SERVER['PHP_SELF'].'?action=delete&token='.newToken().'&id='.$object->id, '', true, $params);
 					} else {
@@ -2134,13 +2134,13 @@ if ($action == 'create' || $action == 'adduserldap') {
 				if ($user->admin								// Need to be admin to allow downgrade of an admin
 				&& ($user->id != $object->id)                   // Don't downgrade ourself
 				&& (
-					(empty($conf->multicompany->enabled) && $nbAdmin >= 1)
-					|| (!empty($conf->multicompany->enabled) && (($object->entity > 0 || ($user->entity == 0 && $object->entity == 0)) || $nbSuperAdmin > 1))    // Don't downgrade a superadmin if alone
+					(!isModEnabled('multicompany') && $nbAdmin >= 1)
+					|| (isModEnabled('multicompany') && (($object->entity > 0 || ($user->entity == 0 && $object->entity == 0)) || $nbSuperAdmin > 1))    // Don't downgrade a superadmin if alone
 					)
 				) {
 					print $form->selectyesno('admin', $object->admin, 1);
 
-					if (!empty($conf->multicompany->enabled) && !$user->entity) {
+					if (isModEnabled('multicompany') && !$user->entity) {
 						if ($conf->use_javascript_ajax) {
 							print '<script type="text/javascript">
 									$(function() {
@@ -2186,7 +2186,7 @@ if ($action == 'create' || $action == 'adduserldap') {
 					$yn = yn($object->admin);
 					print '<input type="hidden" name="admin" value="'.$object->admin.'">';
 					print '<input type="hidden" name="superadmin" value="'.(empty($object->entity) ? 1 : 0).'">';
-					if (!empty($conf->multicompany->enabled) && empty($object->entity)) {
+					if (isModEnabled('multicompany') && empty($object->entity)) {
 						print $form->textwithpicto($yn, $langs->trans("DontDowngradeSuperAdmin"), 1, 'warning');
 					} else {
 						print $yn;
@@ -2645,7 +2645,7 @@ if ($action == 'create' || $action == 'adduserldap') {
 
 			// Multicompany
 			// TODO check if user not linked with the current entity before change entity (thirdparty, invoice, etc.) !!
-			if (!empty($conf->multicompany->enabled) && is_object($mc)) {
+			if (isModEnabled('multicompany') && is_object($mc)) {
 				// This is now done with hook formObjectOptions. Keep this code for backward compatibility with old multicompany module
 				if (!method_exists($mc, 'formObjectOptions')) {
 					if (empty($conf->multicompany->transverse_mode) && $conf->entity == 1 && $user->admin && !$user->entity) {
diff --git a/htdocs/user/class/api_users.class.php b/htdocs/user/class/api_users.class.php
index 3ef98da8f5b..e18c78e6ced 100644
--- a/htdocs/user/class/api_users.class.php
+++ b/htdocs/user/class/api_users.class.php
@@ -487,7 +487,7 @@ class Users extends DolibarrApi
 			throw new RestException(401, 'Access not allowed for login '.DolibarrApiAccess::$user->login);
 		}
 
-		if (!empty($conf->multicompany->enabled) && !empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE) && !empty(DolibarrApiAccess::$user->admin) && empty(DolibarrApiAccess::$user->entity)) {
+		if (isModEnabled('multicompany') && !empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE) && !empty(DolibarrApiAccess::$user->admin) && empty(DolibarrApiAccess::$user->entity)) {
 			$entity = (!empty($entity) ? $entity : $conf->entity);
 		} else {
 			// When using API, action is done on entity of logged user because a user of entity X with permission to create user should not be able to
diff --git a/htdocs/user/class/user.class.php b/htdocs/user/class/user.class.php
index 008aaae5007..c7c10fe10cd 100644
--- a/htdocs/user/class/user.class.php
+++ b/htdocs/user/class/user.class.php
@@ -466,14 +466,14 @@ class User extends CommonObject
 		$sql .= " LEFT JOIN ".$this->db->prefix()."c_departements as d ON u.fk_state = d.rowid";
 
 		if ($entity < 0) {
-			if ((empty($conf->multicompany->enabled) || empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE)) && (!empty($user->entity))) {
+			if ((!isModEnabled('multicompany') || empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE)) && (!empty($user->entity))) {
 				$sql .= " WHERE u.entity IN (0, ".((int) $conf->entity).")";
 			} else {
 				$sql .= " WHERE u.entity IS NOT NULL"; // multicompany is on in transverse mode or user making fetch is on entity 0, so user is allowed to fetch anywhere into database
 			}
 		} else {
 			// The fetch was forced on an entity
-			if (!empty($conf->multicompany->enabled) && !empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE)) {
+			if (isModEnabled('multicompany') && !empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE)) {
 				$sql .= " WHERE u.entity IS NOT NULL"; // multicompany is on in transverse mode or user making fetch is on entity 0, so user is allowed to fetch anywhere into database
 			} else {
 				$sql .= " WHERE u.entity IN (0, ".((int) (($entity != '' && $entity >= 0) ? $entity : $conf->entity)).")"; // search in entity provided in parameter
@@ -588,7 +588,7 @@ class User extends CommonObject
 
 				// Protection when module multicompany was set, admin was set to first entity and then, the module was disabled,
 				// in such case, this admin user must be admin for ALL entities.
-				if (empty($conf->multicompany->enabled) && $this->admin && $this->entity == 1) {
+				if (!isModEnabled('multicompany') && $this->admin && $this->entity == 1) {
 					$this->entity = 0;
 				}
 
@@ -1130,7 +1130,7 @@ class User extends CommonObject
 		$sql .= " WHERE r.id = ur.fk_id";
 		if (!empty($conf->global->MULTICOMPANY_BACKWARD_COMPATIBILITY)) {
 			// on old version, we use entity defined into table r only
-			$sql .= " AND r.entity IN (0,".(!empty($conf->multicompany->enabled) && !empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE) ? "1," : "").$conf->entity.")";
+			$sql .= " AND r.entity IN (0,".(isModEnabled('multicompany') && !empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE) ? "1," : "").$conf->entity.")";
 		} else {
 			// On table r=rights_def, the unique key is (id, entity) because id is hard coded into module descriptor and insert during module activation.
 			// So we must include the filter on entity on both table r. and ur.
@@ -1188,7 +1188,7 @@ class User extends CommonObject
 		$sql .= " ".$this->db->prefix()."rights_def as r";
 		$sql .= " WHERE r.id = gr.fk_id";
 		if (!empty($conf->global->MULTICOMPANY_BACKWARD_COMPATIBILITY)) {
-			if (!empty($conf->multicompany->enabled) && !empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE)) {
+			if (isModEnabled('multicompany') && !empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE)) {
 				$sql .= " AND gu.entity IN (0,".$conf->entity.")";
 			} else {
 				$sql .= " AND r.entity = ".((int) $conf->entity);
@@ -3661,7 +3661,7 @@ class User extends CommonObject
 
 		$sql = "SELECT COUNT(DISTINCT u.rowid) as nb";
 		$sql .= " FROM ".$this->db->prefix()."user as u";
-		if (!empty($conf->multicompany->enabled) && !empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE)) {
+		if (isModEnabled('multicompany') && !empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE)) {
 			$sql .= ", ".$this->db->prefix()."usergroup_user as ug";
 			$sql .= " WHERE ug.entity IN (".getEntity('usergroup').")";
 			$sql .= " AND ug.fk_user = u.rowid";
diff --git a/htdocs/user/class/usergroup.class.php b/htdocs/user/class/usergroup.class.php
index 41ac859f558..96fd14ec2be 100644
--- a/htdocs/user/class/usergroup.class.php
+++ b/htdocs/user/class/usergroup.class.php
@@ -195,7 +195,7 @@ class UserGroup extends CommonObject
 		$sql .= " ".$this->db->prefix()."usergroup_user as ug";
 		$sql .= " WHERE ug.fk_usergroup = g.rowid";
 		$sql .= " AND ug.fk_user = ".((int) $userid);
-		if (!empty($conf->multicompany->enabled) && $conf->entity == 1 && $user->admin && !$user->entity) {
+		if (isModEnabled('multicompany') && $conf->entity == 1 && $user->admin && !$user->entity) {
 			$sql .= " AND g.entity IS NOT NULL";
 		} else {
 			$sql .= " AND g.entity IN (0,".$conf->entity.")";
@@ -252,7 +252,7 @@ class UserGroup extends CommonObject
 		if (!empty($this->id)) {
 			$sql .= " AND ug.fk_usergroup = ".((int) $this->id);
 		}
-		if (!empty($conf->multicompany->enabled) && $conf->entity == 1 && $user->admin && !$user->entity) {
+		if (isModEnabled('multicompany') && $conf->entity == 1 && $user->admin && !$user->entity) {
 			$sql .= " AND u.entity IS NOT NULL";
 		} else {
 			$sql .= " AND u.entity IN (0,".$conf->entity.")";
diff --git a/htdocs/user/document.php b/htdocs/user/document.php
index 31ec618a795..06a7fb4e9db 100644
--- a/htdocs/user/document.php
+++ b/htdocs/user/document.php
@@ -180,7 +180,7 @@ if ($object->id) {
 		print '<td>';
 		$addadmin = '';
 		if (property_exists($object, 'admin')) {
-			if (!empty($conf->multicompany->enabled) && !empty($object->admin) && empty($object->entity)) {
+			if (isModEnabled('multicompany') && !empty($object->admin) && empty($object->entity)) {
 				$addadmin .= img_picto($langs->trans("SuperAdministratorDesc"), "redstar", 'class="paddingleft"');
 			} elseif (!empty($object->admin)) {
 				$addadmin .= img_picto($langs->trans("AdministratorDesc"), "star", 'class="paddingleft"');
diff --git a/htdocs/user/group/card.php b/htdocs/user/group/card.php
index 9b6e9e1c317..98fe9c6c8b4 100644
--- a/htdocs/user/group/card.php
+++ b/htdocs/user/group/card.php
@@ -73,7 +73,7 @@ $hookmanager->initHooks(array('groupcard', 'globalcard'));
 $result = restrictedArea($user, 'user', $id, 'usergroup&usergroup', $feature2);
 
 // Users/Groups management only in master entity if transverse mode
-if (!empty($conf->multicompany->enabled) && $conf->entity > 1 && $conf->global->MULTICOMPANY_TRANSVERSE_MODE) {
+if (isModEnabled('multicompany') && $conf->entity > 1 && $conf->global->MULTICOMPANY_TRANSVERSE_MODE) {
 	accessforbidden();
 }
 
@@ -135,7 +135,7 @@ if (empty($reshook)) {
 					$error++;
 				}
 
-				if (!empty($conf->multicompany->enabled) && !empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE)) {
+				if (isModEnabled('multicompany') && !empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE)) {
 					$object->entity = 0;
 				} else {
 					if ($conf->entity == 1 && $user->admin && !$user->entity) {		// Same permissions test than the one used to show the combo of entities into the form
@@ -215,7 +215,7 @@ if (empty($reshook)) {
 				$error++;
 			}
 
-			if (!empty($conf->multicompany->enabled) && !empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE)) {
+			if (isModEnabled('multicompany') && !empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE)) {
 				$object->entity = 0;
 			} elseif (GETPOSTISSET("entity")) {
 				$object->entity = GETPOST("entity", "int");
@@ -274,7 +274,7 @@ if ($action == 'create') {
 	print '<table class="border centpercent tableforfieldcreate">';
 
 	// Multicompany
-	if (!empty($conf->multicompany->enabled) && is_object($mc)) {
+	if (isModEnabled('multicompany') && is_object($mc)) {
 		if (empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE) && $conf->entity == 1 && $user->admin && !$user->entity) {
 			print "<tr>".'<td class="tdtop">'.$langs->trans("Entity").'</td>';
 			print "<td>".$mc->select_entities($conf->entity);
@@ -348,7 +348,7 @@ if ($action == 'create') {
 			}
 
 			// Multicompany
-			if (!empty($conf->multicompany->enabled) && is_object($mc) && empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE) && $conf->entity == 1 && $user->admin && !$user->entity) {
+			if (isModEnabled('multicompany') && is_object($mc) && empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE) && $conf->entity == 1 && $user->admin && !$user->entity) {
 				$mc->getInfo($object->entity);
 				print "<tr>".'<td class="titlefield">'.$langs->trans("Entity").'</td>';
 				print '<td class="valeur">'.dol_escape_htmltag($mc->label);
@@ -520,7 +520,7 @@ if ($action == 'create') {
 			print '<table class="border centpercent tableforfieldedit">'."\n";
 
 			// Multicompany
-			if (!empty($conf->multicompany->enabled) && is_object($mc)) {
+			if (isModEnabled('multicompany') && is_object($mc)) {
 				if (empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE) && $conf->entity == 1 && $user->admin && !$user->entity) {
 					print "<tr>".'<td class="tdtop">'.$langs->trans("Entity").'</td>';
 					print "<td>".$mc->select_entities($object->entity);
diff --git a/htdocs/user/group/ldap.php b/htdocs/user/group/ldap.php
index 0c73b07807e..00c0101b708 100644
--- a/htdocs/user/group/ldap.php
+++ b/htdocs/user/group/ldap.php
@@ -46,7 +46,7 @@ $object->fetch($id);
 $object->getrights();
 
 // Users/Groups management only in master entity if transverse mode
-if (!empty($conf->multicompany->enabled) && $conf->entity > 1 && !empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE)) {
+if (isModEnabled('multicompany') && $conf->entity > 1 && !empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE)) {
 	accessforbidden();
 }
 
diff --git a/htdocs/user/group/list.php b/htdocs/user/group/list.php
index 8f7f907eb7b..a6a1cf4c752 100644
--- a/htdocs/user/group/list.php
+++ b/htdocs/user/group/list.php
@@ -76,7 +76,7 @@ if (!empty($conf->global->MAIN_USE_ADVANCED_PERMS)) {
 }
 
 // Users/Groups management only in master entity if transverse mode
-if (!empty($conf->multicompany->enabled) && $conf->entity > 1 && $conf->global->MULTICOMPANY_TRANSVERSE_MODE) {
+if (isModEnabled('multicompany') && $conf->entity > 1 && $conf->global->MULTICOMPANY_TRANSVERSE_MODE) {
 	accessforbidden();
 }
 
@@ -128,7 +128,7 @@ $sql = "SELECT g.rowid, g.nom as name, g.note, g.entity, g.datec, g.tms as datem
 $sql .= " FROM ".MAIN_DB_PREFIX."usergroup as g";
 $sql .= " LEFT JOIN ".MAIN_DB_PREFIX."usergroup_user as ugu ON ugu.fk_usergroup = g.rowid";
 $sql .= " LEFT JOIN ".MAIN_DB_PREFIX."usergroup_rights as ugr ON ugr.fk_usergroup = g.rowid";
-if (!empty($conf->multicompany->enabled) && $conf->entity == 1 && ($conf->global->MULTICOMPANY_TRANSVERSE_MODE || ($user->admin && !$user->entity))) {
+if (isModEnabled('multicompany') && $conf->entity == 1 && ($conf->global->MULTICOMPANY_TRANSVERSE_MODE || ($user->admin && !$user->entity))) {
 	$sql .= " WHERE g.entity IS NOT NULL";
 } else {
 	$sql .= " WHERE g.entity IN (0,".$conf->entity.")";
@@ -192,7 +192,7 @@ if ($resql) {
 	print '<tr class="liste_titre">';
 	print_liste_field_titre("Group", $_SERVER["PHP_SELF"], "g.nom", $param, "", "", $sortfield, $sortorder);
 	//multicompany
-	if (!empty($conf->multicompany->enabled) && empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE) && $conf->entity == 1) {
+	if (isModEnabled('multicompany') && empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE) && $conf->entity == 1) {
 		print_liste_field_titre("Entity", $_SERVER["PHP_SELF"], "g.entity", $param, "", '', $sortfield, $sortorder, 'center ');
 	}
 	print_liste_field_titre("NbOfUsers", $_SERVER["PHP_SELF"], "nb", $param, "", '', $sortfield, $sortorder, 'center ');
@@ -219,7 +219,7 @@ if ($resql) {
 		}
 		print "</td>";
 		//multicompany
-		if (!empty($conf->multicompany->enabled) && is_object($mc) && empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE) && $conf->entity == 1) {
+		if (isModEnabled('multicompany') && is_object($mc) && empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE) && $conf->entity == 1) {
 			$mc->getInfo($obj->entity);
 			print '<td class="center">'.$mc->label.'</td>';
 		}
diff --git a/htdocs/user/hierarchy.php b/htdocs/user/hierarchy.php
index 3f8326d3b7b..95918274378 100644
--- a/htdocs/user/hierarchy.php
+++ b/htdocs/user/hierarchy.php
@@ -121,7 +121,7 @@ if (!is_array($user_arbo) && $user_arbo < 0) {
 		$entitystring = '';
 
 		// TODO Set of entitystring should be done with a hook
-		if (!empty($conf->multicompany->enabled) && is_object($mc)) {
+		if (isModEnabled('multicompany') && is_object($mc)) {
 			if (empty($entity)) {
 				$entitystring = $langs->trans("AllEntities");
 			} else {
@@ -131,7 +131,7 @@ if (!is_array($user_arbo) && $user_arbo < 0) {
 		}
 
 		$li = $userstatic->getNomUrl(-1, '', 0, 1);
-		if (!empty($conf->multicompany->enabled) && $userstatic->admin && !$userstatic->entity) {
+		if (isModEnabled('multicompany') && $userstatic->admin && !$userstatic->entity) {
 			$li .= img_picto($langs->trans("SuperAdministrator"), 'redstar');
 		} elseif ($userstatic->admin) {
 			$li .= img_picto($langs->trans("Administrator"), 'star');
diff --git a/htdocs/user/home.php b/htdocs/user/home.php
index 33b0465e5f1..8555af8f467 100644
--- a/htdocs/user/home.php
+++ b/htdocs/user/home.php
@@ -166,7 +166,7 @@ if ($resql) {
 		$lastcreatedbox .= '<tr class="oddeven">';
 		$lastcreatedbox .= '<td class="nowraponall tdoverflowmax150">';
 		$lastcreatedbox .= $fuserstatic->getNomUrl(-1);
-		if (!empty($conf->multicompany->enabled) && $obj->admin && !$obj->entity) {
+		if (isModEnabled('multicompany') && $obj->admin && !$obj->entity) {
 			$lastcreatedbox .= img_picto($langs->trans("SuperAdministrator"), 'redstar');
 		} elseif ($obj->admin) {
 			$lastcreatedbox .= img_picto($langs->trans("Administrator"), 'star');
@@ -185,7 +185,7 @@ if ($resql) {
 		$entity = $obj->entity;
 		$entitystring = '';
 		// TODO Set of entitystring should be done with a hook
-		if (!empty($conf->multicompany->enabled) && is_object($mc)) {
+		if (isModEnabled('multicompany') && is_object($mc)) {
 			if (empty($entity)) {
 				$entitystring = $langs->trans("AllEntities");
 			} else {
@@ -223,7 +223,7 @@ if ($canreadperms) {
 
 	$sql = "SELECT g.rowid, g.nom as name, g.note, g.entity, g.datec";
 	$sql .= " FROM ".MAIN_DB_PREFIX."usergroup as g";
-	if (!empty($conf->multicompany->enabled) && $conf->entity == 1 && ($conf->global->MULTICOMPANY_TRANSVERSE_MODE || ($user->admin && !$user->entity))) {
+	if (isModEnabled('multicompany') && $conf->entity == 1 && ($conf->global->MULTICOMPANY_TRANSVERSE_MODE || ($user->admin && !$user->entity))) {
 		$sql .= " WHERE g.entity IS NOT NULL";
 	} else {
 		$sql .= " WHERE g.entity IN (0,".$conf->entity.")";
@@ -234,7 +234,7 @@ if ($canreadperms) {
 	$resql = $db->query($sql);
 	if ($resql) {
 		$colspan = 1;
-		if (!empty($conf->multicompany->enabled)) {
+		if (isModEnabled('multicompany')) {
 			$colspan++;
 		}
 		$num = $db->num_rows($resql);
@@ -262,7 +262,7 @@ if ($canreadperms) {
 				$lastgroupbox .= img_picto($langs->trans("GlobalGroup"), 'redstar');
 			}
 			$lastgroupbox .= "</td>";
-			if (!empty($conf->multicompany->enabled) && is_object($mc)) {
+			if (isModEnabled('multicompany') && is_object($mc)) {
 				$mc->getInfo($obj->entity);
 				$lastgroupbox .= '<td>';
 				$lastgroupbox .= $mc->label;
diff --git a/htdocs/user/list.php b/htdocs/user/list.php
index 443893fa096..e98922f7e01 100644
--- a/htdocs/user/list.php
+++ b/htdocs/user/list.php
@@ -121,7 +121,7 @@ $arrayfields = array(
 	'u.login'=>array('label'=>"Login", 'checked'=>1, 'position'=>10),
 	'u.lastname'=>array('label'=>"Lastname", 'checked'=>1, 'position'=>15),
 	'u.firstname'=>array('label'=>"Firstname", 'checked'=>1, 'position'=>20),
-	'u.entity'=>array('label'=>"Entity", 'checked'=>1, 'position'=>50, 'enabled'=>(!empty($conf->multicompany->enabled) && empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE))),
+	'u.entity'=>array('label'=>"Entity", 'checked'=>1, 'position'=>50, 'enabled'=>(isModEnabled('multicompany') && empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE))),
 	'u.gender'=>array('label'=>"Gender", 'checked'=>0, 'position'=>22),
 	'u.employee'=>array('label'=>"Employee", 'checked'=>($mode == 'employee' ? 1 : 0), 'position'=>25),
 	'u.fk_user'=>array('label'=>"HierarchicalResponsible", 'checked'=>1, 'position'=>27),
@@ -981,7 +981,7 @@ while ($i < $imaxinloop) {
 		if (!empty($arrayfields['u.login']['checked'])) {
 			print '<td class="nowraponall tdoverflowmax150">';
 			print $li;
-			if (!empty($conf->multicompany->enabled) && $obj->admin && !$obj->entity) {
+			if (isModEnabled('multicompany') && $obj->admin && !$obj->entity) {
 				print img_picto($langs->trans("SuperAdministrator"), 'redstar', 'class="valignmiddle paddingleft"');
 			} elseif ($obj->admin) {
 				print img_picto($langs->trans("Administrator"), 'star', 'class="valignmiddle paddingleft"');
@@ -1054,7 +1054,7 @@ while ($i < $imaxinloop) {
 				$user2->statut = $obj->status2;
 				$user2->status = $obj->status2;
 				print $user2->getNomUrl(-1, '', 0, 0, 24, 0, '', '', 1);
-				if (!empty($conf->multicompany->enabled) && $obj->admin2 && !$obj->entity2) {
+				if (isModEnabled('multicompany') && $obj->admin2 && !$obj->entity2) {
 					print img_picto($langs->trans("SuperAdministrator"), 'redstar', 'class="valignmiddle paddingleft"');
 				} elseif ($obj->admin2) {
 					print img_picto($langs->trans("Administrator"), 'star', 'class="valignmiddle paddingleft"');
@@ -1123,7 +1123,7 @@ while ($i < $imaxinloop) {
 			}
 		}
 		// Multicompany enabled
-		if (!empty($conf->multicompany->enabled) && is_object($mc) && empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE)) {
+		if (isModEnabled('multicompany') && is_object($mc) && empty($conf->global->MULTICOMPANY_TRANSVERSE_MODE)) {
 			if (!empty($arrayfields['u.entity']['checked'])) {
 				print '<td>';
 				if (!$obj->entity) {
diff --git a/htdocs/user/note.php b/htdocs/user/note.php
index 8269dfa93aa..e0ac0bd4dcf 100644
--- a/htdocs/user/note.php
+++ b/htdocs/user/note.php
@@ -127,7 +127,7 @@ if ($id) {
 		print '<td>';
 		$addadmin = '';
 		if (property_exists($object, 'admin')) {
-			if (!empty($conf->multicompany->enabled) && !empty($object->admin) && empty($object->entity)) {
+			if (isModEnabled('multicompany') && !empty($object->admin) && empty($object->entity)) {
 				$addadmin .= img_picto($langs->trans("SuperAdministratorDesc"), "redstar", 'class="paddingleft"');
 			} elseif (!empty($object->admin)) {
 				$addadmin .= img_picto($langs->trans("AdministratorDesc"), "star", 'class="paddingleft"');
diff --git a/htdocs/user/notify/card.php b/htdocs/user/notify/card.php
index e047ab74d51..ce515dc7d16 100644
--- a/htdocs/user/notify/card.php
+++ b/htdocs/user/notify/card.php
@@ -175,7 +175,7 @@ if ($result > 0) {
 		print '<td>';
 		$addadmin = '';
 		if (property_exists($object, 'admin')) {
-			if (!empty($conf->multicompany->enabled) && !empty($object->admin) && empty($object->entity)) {
+			if (isModEnabled('multicompany') && !empty($object->admin) && empty($object->entity)) {
 				$addadmin .= img_picto($langs->trans("SuperAdministratorDesc"), "redstar", 'class="paddingleft"');
 			} elseif (!empty($object->admin)) {
 				$addadmin .= img_picto($langs->trans("AdministratorDesc"), "star", 'class="paddingleft"');
diff --git a/htdocs/user/param_ihm.php b/htdocs/user/param_ihm.php
index a00736fda44..49dc7e7f7a3 100644
--- a/htdocs/user/param_ihm.php
+++ b/htdocs/user/param_ihm.php
@@ -363,7 +363,7 @@ if ($action == 'edit') {
 		print '<td>';
 		$addadmin = '';
 		if (property_exists($object, 'admin')) {
-			if (!empty($conf->multicompany->enabled) && !empty($object->admin) && empty($object->entity)) {
+			if (isModEnabled('multicompany') && !empty($object->admin) && empty($object->entity)) {
 				$addadmin .= img_picto($langs->trans("SuperAdministratorDesc"), "redstar", 'class="paddingleft"');
 			} elseif (!empty($object->admin)) {
 				$addadmin .= img_picto($langs->trans("AdministratorDesc"), "star", 'class="paddingleft"');
diff --git a/htdocs/user/perms.php b/htdocs/user/perms.php
index b9c840c6cb7..571662d80cf 100644
--- a/htdocs/user/perms.php
+++ b/htdocs/user/perms.php
@@ -275,7 +275,7 @@ if (!empty($object->ldap_sid) && $object->statut == 0) {
 	print '<td>';
 	$addadmin = '';
 	if (property_exists($object, 'admin')) {
-		if (!empty($conf->multicompany->enabled) && !empty($object->admin) && empty($object->entity)) {
+		if (isModEnabled('multicompany') && !empty($object->admin) && empty($object->entity)) {
 			$addadmin .= img_picto($langs->trans("SuperAdministratorDesc"), "redstar", 'class="paddingleft"');
 		} elseif (!empty($object->admin)) {
 			$addadmin .= img_picto($langs->trans("AdministratorDesc"), "star", 'class="paddingleft"');
diff --git a/htdocs/variants/class/ProductAttribute.class.php b/htdocs/variants/class/ProductAttribute.class.php
index 3b315101cc8..29ea45a17ec 100644
--- a/htdocs/variants/class/ProductAttribute.class.php
+++ b/htdocs/variants/class/ProductAttribute.class.php
@@ -136,7 +136,7 @@ class ProductAttribute extends CommonObject
 		if (empty($conf->global->MAIN_SHOW_TECHNICAL_ID) && isset($this->fields['rowid'])) {
 			$this->fields['rowid']['visible'] = 0;
 		}
-		if (empty($conf->multicompany->enabled) && isset($this->fields['entity'])) {
+		if (!isModEnabled('multicompany') && isset($this->fields['entity'])) {
 			$this->fields['entity']['enabled'] = 0;
 		}
 
diff --git a/htdocs/variants/class/ProductAttributeValue.class.php b/htdocs/variants/class/ProductAttributeValue.class.php
index 9d98f9a7f2b..2e8b414f727 100644
--- a/htdocs/variants/class/ProductAttributeValue.class.php
+++ b/htdocs/variants/class/ProductAttributeValue.class.php
@@ -106,7 +106,7 @@ class ProductAttributeValue extends CommonObjectLine
 		if (empty($conf->global->MAIN_SHOW_TECHNICAL_ID) && isset($this->fields['rowid'])) {
 			$this->fields['rowid']['visible'] = 0;
 		}
-		if (empty($conf->multicompany->enabled) && isset($this->fields['entity'])) {
+		if (!isModEnabled('multicompany') && isset($this->fields['entity'])) {
 			$this->fields['entity']['enabled'] = 0;
 		}
 
diff --git a/htdocs/webhook/class/target.class.php b/htdocs/webhook/class/target.class.php
index 17df9e672dc..7eabbe397ab 100644
--- a/htdocs/webhook/class/target.class.php
+++ b/htdocs/webhook/class/target.class.php
@@ -184,7 +184,7 @@ class Target extends CommonObject
 		if (empty($conf->global->MAIN_SHOW_TECHNICAL_ID) && isset($this->fields['rowid'])) {
 			$this->fields['rowid']['visible'] = 0;
 		}
-		if (empty($conf->multicompany->enabled) && isset($this->fields['entity'])) {
+		if (!isModEnabled('multicompany') && isset($this->fields['entity'])) {
 			$this->fields['entity']['enabled'] = 0;
 		}
 
diff --git a/htdocs/webservices/server_user.php b/htdocs/webservices/server_user.php
index cdd39ae24d7..9672fa1b4fc 100644
--- a/htdocs/webservices/server_user.php
+++ b/htdocs/webservices/server_user.php
@@ -398,7 +398,7 @@ function getUser($authentication, $id, $ref = '', $ref_ext = '')
  */
 function getListOfGroups($authentication)
 {
-	global $db, $conf;
+	global $db, $conf, $user;
 
 	dol_syslog("Function: getListOfGroups login=".$authentication['login']);
 
@@ -418,7 +418,7 @@ function getListOfGroups($authentication)
 		$sql = "SELECT g.rowid, g.nom as name, g.entity, g.datec, COUNT(DISTINCT ugu.fk_user) as nb";
 		$sql .= " FROM ".MAIN_DB_PREFIX."usergroup as g";
 		$sql .= " LEFT JOIN ".MAIN_DB_PREFIX."usergroup_user as ugu ON ugu.fk_usergroup = g.rowid";
-		if (!empty($conf->multicompany->enabled) && $conf->entity == 1 && ($conf->global->MULTICOMPANY_TRANSVERSE_MODE || ($user->admin && !$user->entity))) {
+		if (isModEnabled('multicompany') && $conf->entity == 1 && ($conf->global->MULTICOMPANY_TRANSVERSE_MODE || ($user->admin && !$user->entity))) {
 			$sql .= " WHERE g.entity IS NOT NULL";
 		} else {
 			$sql .= " WHERE g.entity IN (0,".$conf->entity.")";
diff --git a/htdocs/zapier/class/hook.class.php b/htdocs/zapier/class/hook.class.php
index 64259f5a592..0da11465fa8 100644
--- a/htdocs/zapier/class/hook.class.php
+++ b/htdocs/zapier/class/hook.class.php
@@ -263,7 +263,7 @@ class Hook extends CommonObject
 		if (empty($conf->global->MAIN_SHOW_TECHNICAL_ID) && isset($this->fields['rowid'])) {
 			$this->fields['rowid']['visible'] = 0;
 		}
-		if (empty($conf->multicompany->enabled) && isset($this->fields['entity'])) {
+		if (!isModEnabled('multicompany') && isset($this->fields['entity'])) {
 			$this->fields['entity']['enabled'] = 0;
 		}