diff --git a/htdocs/contrat/list.php b/htdocs/contrat/list.php
index 65bb4fa8b08..461a8d96684 100644
--- a/htdocs/contrat/list.php
+++ b/htdocs/contrat/list.php
@@ -618,7 +618,7 @@ if (!empty($moreforfilter)) {
 }
 
 $varpage = empty($contextpage) ? $_SERVER["PHP_SELF"] : $contextpage;
-$selectedfields = $form->multiSelectArrayWithCheckbox('selectedfields', $arrayfields, $varpage); // This also change content of $arrayfields
+$selectedfields = $form->multiSelectArrayWithCheckbox('selectedfields', $arrayfields, $varpage, getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')); // This also change content of $arrayfields
 if ($massactionbutton) {
 	$selectedfields .= $form->showCheckAddButtons('checkforselect', 1);
 }
@@ -627,6 +627,13 @@ print '<div class="div-table-responsive">';
 print '<table class="tagtable liste'.($moreforfilter ? " listwithfilterbefore" : "").'">'."\n";
 
 print '<tr class="liste_titre_filter">';
+// Action column
+if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+	print '<td class="liste_titre center">';
+	$searchpicto = $form->showFilterButtons('left');
+	print $searchpicto;
+	print '</td>';
+}
 if (!empty($arrayfields['c.ref']['checked'])) {
 	print '<td class="liste_titre">';
 	print '<input type="text" class="flat" size="3" name="search_contract" value="'.dol_escape_htmltag($search_contract).'">';
@@ -723,13 +730,20 @@ if (!empty($arrayfields['lower_planned_end_date']['checked'])) {
 if (!empty($arrayfields['status']['checked'])) {
 	print '<td class="liste_titre right" colspan="4"></td>';
 }
-print '<td class="liste_titre center">';
-$searchpicto = $form->showFilterButtons();
-print $searchpicto;
-print '</td>';
+
+// Action column
+if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+	print '<td class="liste_titre center">';
+	$searchpicto = $form->showFilterButtons();
+	print $searchpicto;
+	print '</td>';
+}
 print "</tr>\n";
 
 print '<tr class="liste_titre">';
+if(getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+	print_liste_field_titre($selectedfields, $_SERVER["PHP_SELF"], "", '', '', '', $sortfield, $sortorder, 'center maxwidthsearch ');
+}
 if (!empty($arrayfields['c.ref']['checked'])) {
 	print_liste_field_titre($arrayfields['c.ref']['label'], $_SERVER["PHP_SELF"], "c.ref", "", $param, '', $sortfield, $sortorder);
 }
@@ -787,7 +801,9 @@ if (!empty($arrayfields['status']['checked'])) {
 	print_liste_field_titre($staticcontratligne->LibStatut(4, 3, 1, 'class="nochangebackground"'), '', '', '', '', 'width="16"');
 	print_liste_field_titre($staticcontratligne->LibStatut(5, 3, -1, 'class="nochangebackground"'), '', '', '', '', 'width="16"');
 }
-print_liste_field_titre($selectedfields, $_SERVER["PHP_SELF"], "", '', '', '', $sortfield, $sortorder, 'center maxwidthsearch ');
+if(!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+	print_liste_field_titre($selectedfields, $_SERVER["PHP_SELF"], "", '', '', '', $sortfield, $sortorder, 'center maxwidthsearch ');
+}
 print "</tr>\n";
 
 $totalarray = array();
@@ -826,7 +842,18 @@ while ($i < min($num, $limit)) {
 
 
 	print '<tr class="oddeven">';
-
+	// Action column
+	if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+		print '<td class="nowrap center">';
+		if ($massactionbutton || $massaction) {   // If we are in select mode (massactionbutton defined) or if we have already selected and sent an action ($massaction) defined
+			$selected = 0;
+			if (in_array($obj->rowid, $arrayofselected)) {
+				$selected = 1;
+			}
+			print '<input id="cb'.$obj->rowid.'" class="flat checkforselect" type="checkbox" name="toselect[]" value="'.$obj->rowid.'"'.($selected ? ' checked="checked"' : '').'>';
+		}
+		print '</td>';
+	}
 	// Ref
 	if (!empty($arrayfields['c.ref']['checked'])) {
 		print '<td class="nowraponall">';
@@ -1002,15 +1029,17 @@ while ($i < min($num, $limit)) {
 		print '<td class="center">'.($obj->nb_closed > 0 ? $obj->nb_closed : '').'</td>';
 	}
 	// Action column
-	print '<td class="nowrap center">';
-	if ($massactionbutton || $massaction) {   // If we are in select mode (massactionbutton defined) or if we have already selected and sent an action ($massaction) defined
-		$selected = 0;
-		if (in_array($obj->rowid, $arrayofselected)) {
-			$selected = 1;
+	if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+		print '<td class="nowrap center">';
+		if ($massactionbutton || $massaction) {   // If we are in select mode (massactionbutton defined) or if we have already selected and sent an action ($massaction) defined
+			$selected = 0;
+			if (in_array($obj->rowid, $arrayofselected)) {
+				$selected = 1;
+			}
+			print '<input id="cb'.$obj->rowid.'" class="flat checkforselect" type="checkbox" name="toselect[]" value="'.$obj->rowid.'"'.($selected ? ' checked="checked"' : '').'>';
 		}
-		print '<input id="cb'.$obj->rowid.'" class="flat checkforselect" type="checkbox" name="toselect[]" value="'.$obj->rowid.'"'.($selected ? ' checked="checked"' : '').'>';
+		print '</td>';
 	}
-	print '</td>';
 	if (!$i) {
 		$totalarray['nbfield']++;
 	}