diff --git a/htdocs/core/ajax/onlineSign.php b/htdocs/core/ajax/onlineSign.php
index 13bd28961d5..488b5051ea5 100644
--- a/htdocs/core/ajax/onlineSign.php
+++ b/htdocs/core/ajax/onlineSign.php
@@ -117,6 +117,7 @@ if ($action == "importSignature") {
 					if (!$error) {
 						$db->commit();
 						$response = "success";
+						setEventMessage("PropalSigned");
 					} else {
 						$db->rollback();
 						$response = "error sql";
diff --git a/htdocs/langs/en_US/propal.lang b/htdocs/langs/en_US/propal.lang
index edbc08236d3..7141c1d38ae 100644
--- a/htdocs/langs/en_US/propal.lang
+++ b/htdocs/langs/en_US/propal.lang
@@ -89,4 +89,11 @@ IdProposal=Proposal ID
 IdProduct=Product ID
 PrParentLine=Proposal Parent Line
 LineBuyPriceHT=Buy Price Amount net of tax for line
-
+SignPropal=Sign proposal
+RefusePropal=Refuse proposal
+Sign=Sign
+PropalAlreadyRefused=Proposal already refused
+PropalAlreadySigned=Proposal already signed
+PropalSigned=Proposal signed
+PropalRefused=Proposal refused
+ConfirmRefusePropal=Are you sure you want to refuse this commercial proposal?
diff --git a/htdocs/langs/fr_FR/propal.lang b/htdocs/langs/fr_FR/propal.lang
index f822d4f1d02..3728eba94d3 100644
--- a/htdocs/langs/fr_FR/propal.lang
+++ b/htdocs/langs/fr_FR/propal.lang
@@ -89,4 +89,11 @@ IdProposal=ID de la proposition commerciale
 IdProduct=ID produit
 PrParentLine=Ligne parent de proposition
 LineBuyPriceHT=Prix d'achat HT de la ligne
-
+SignPropal=Signer la proposition commerciale
+RefusePropal=Refuser la proposition commerciale
+Sign=Signer
+PropalAlreadyRefused=Proposition commerciale déjà refusée
+PropalAlreadySigned=Proposition commerciale déjà signée
+PropalSigned=Proposition commerciale signée
+PropalRefused=Proposition commerciale refusée
+ConfirmRefusePropal=Êtes-vous sûr de vouloir refuser cette proposition commerciale ?
diff --git a/htdocs/public/onlinesign/newonlinesign.php b/htdocs/public/onlinesign/newonlinesign.php
index 6d37684ce8f..3177cbcc7a3 100644
--- a/htdocs/public/onlinesign/newonlinesign.php
+++ b/htdocs/public/onlinesign/newonlinesign.php
@@ -52,7 +52,7 @@ require_once DOL_DOCUMENT_ROOT.'/product/class/product.class.php';
 require_once DOL_DOCUMENT_ROOT.'/comm/propal/class/propal.class.php';
 
 // Load translation files
-$langs->loadLangs(array("main", "other", "dict", "bills", "companies", "errors", "paybox"));
+$langs->loadLangs(array("main", "other", "dict", "bills", "companies", "errors", "paybox","propal"));
 
 // Security check
 // No check on module enabled. Done later according to $validpaymentmethod
@@ -124,9 +124,22 @@ $object->fetch(0, $ref);
  * Actions
  */
 
-
-if ($action == 'refusepropal') {
-	//TODO: creer suite de cette action
+if ($action == 'confirm_refusepropal') {
+	$sql  = "UPDATE ".MAIN_DB_PREFIX."propal";
+	$sql .= " SET fk_statut = ".((int) $object::STATUS_NOTSIGNED).", note_private = '".$object->note_private."', date_signature='".$db->idate(dol_now())."'";
+	$sql .= " WHERE rowid = ".((int) $object->id);
+	dol_syslog(__METHOD__, LOG_DEBUG);
+	$resql = $db->query($sql);
+	if (!$resql) {
+		$error++;
+	}
+	if (!$error) {
+		$db->commit();
+		setEventMessage("PropalRefused");
+	} else {
+		$db->rollback();
+	}
+	$object->fetch(0, $ref);
 }
 
 
@@ -134,6 +147,7 @@ if ($action == 'refusepropal') {
  * View
  */
 
+$form = new Form($db);
 $head = '';
 if (!empty($conf->global->MAIN_SIGN_CSS_URL)) {
 	$head = '<link rel="stylesheet" type="text/css" href="'.$conf->global->MAIN_SIGN_CSS_URL.'?lang='.$langs->defaultlang.'">'."\n";
@@ -145,6 +159,10 @@ $conf->dol_hide_leftmenu = 1;
 $replacemainarea = (empty($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='.$ref, $langs->trans('RefusePropal'), $langs->trans('ConfirmRefusePropal', $object->ref), 'confirm_refusepropal', '', '', 1);
+}
+
 // Check link validity for param 'source'
 if (!empty($source) && in_array($ref, array('member_ref', 'contractline_ref', 'invoice_ref', 'order_ref', ''))) {
 	$langs->load("errors");
@@ -351,9 +369,9 @@ if ($action == "dosign" && empty($cancel)) {
 	</script>';
 } else {
 	if ($object->status == $object::STATUS_SIGNED) {
-		print $langs->trans("PropalSigned");
+		print $langs->trans("PropalAlreadySigned");
 	} elseif ($object->status == $object::STATUS_NOTSIGNED) {
-		print $langs->trans("PropalNotSigned");
+		print $langs->trans("PropalAlreadyRefused");
 	} else {
 		print '<input type="submit" class="button" value="'.$langs->trans("SignPropal").'">';
 		print '<input name="refusepropal" type="submit" class="button" value="'.$langs->trans("RefusePropal").'">';