diff --git a/htdocs/admin/notification.php b/htdocs/admin/notification.php
index d93421ef6fb..92ba0bec200 100644
--- a/htdocs/admin/notification.php
+++ b/htdocs/admin/notification.php
@@ -166,12 +166,15 @@ foreach($listofnotifiedevents as $notifiedevent)
 {
 
     $label=$langs->trans("Notify_".$notifiedevent['code']); //!=$langs->trans("Notify_".$notifiedevent['code'])?$langs->trans("Notify_".$notifiedevent['code']):$notifiedevent['label'];
+    $elementLabel = $langs->trans(ucfirst($notifiedevent['elementtype']));
 
     if ($notifiedevent['elementtype'] == 'order_supplier') $elementLabel = $langs->trans('SupplierOrder');
     elseif ($notifiedevent['elementtype'] == 'propal') $elementLabel = $langs->trans('Proposal');
     elseif ($notifiedevent['elementtype'] == 'facture') $elementLabel = $langs->trans('Bill');
     elseif ($notifiedevent['elementtype'] == 'commande') $elementLabel = $langs->trans('Order');
     elseif ($notifiedevent['elementtype'] == 'ficheinter') $elementLabel = $langs->trans('Intervention');
+    elseif ($notifiedevent['elementtype'] == 'shipping') $elementLabel = $langs->trans('Shipping');
+    elseif ($notifiedevent['elementtype'] == 'expensereport') $elementLabel = $langs->trans('ExpenseReport');
 
     if ($i) print ', ';
     print $label;
@@ -209,11 +212,15 @@ foreach($listofnotifiedevents as $notifiedevent)
 
     $label=$langs->trans("Notify_".$notifiedevent['code']); //!=$langs->trans("Notify_".$notifiedevent['code'])?$langs->trans("Notify_".$notifiedevent['code']):$notifiedevent['label'];
 
+    $elementLabel = $langs->trans(ucfirst($notifiedevent['elementtype']));
+	// Special cases
     if ($notifiedevent['elementtype'] == 'order_supplier') $elementLabel = $langs->trans('SupplierOrder');
     elseif ($notifiedevent['elementtype'] == 'propal') $elementLabel = $langs->trans('Proposal');
     elseif ($notifiedevent['elementtype'] == 'facture') $elementLabel = $langs->trans('Bill');
     elseif ($notifiedevent['elementtype'] == 'commande') $elementLabel = $langs->trans('Order');
 	elseif ($notifiedevent['elementtype'] == 'ficheinter') $elementLabel = $langs->trans('Intervention');
+	elseif ($notifiedevent['elementtype'] == 'shipping') $elementLabel = $langs->trans('Shipping');
+	elseif ($notifiedevent['elementtype'] == 'expensereport') $elementLabel = $langs->trans('ExpenseReport');
 
     print '<tr class="oddeven">';
     print '<td>'.$elementLabel.'</td>';
diff --git a/htdocs/core/class/notify.class.php b/htdocs/core/class/notify.class.php
index 344b8050b65..7a24e4928c7 100644
--- a/htdocs/core/class/notify.class.php
+++ b/htdocs/core/class/notify.class.php
@@ -65,6 +65,7 @@ class Notify
 	// Les codes actions sont definis dans la table llx_notify_def
 
 	// codes actions supported are
+	// @TODO defined also into interface_50_modNotificiation_Notificiation.class.php
 	public $arrayofnotifsupported = array(
 		'BILL_VALIDATE',
 		'BILL_PAYED',
@@ -76,7 +77,11 @@ class Notify
 		'ORDER_SUPPLIER_VALIDATE',
 		'ORDER_SUPPLIER_APPROVE',
 		'ORDER_SUPPLIER_REFUSE',
-		'SHIPPING_VALIDATE'
+		'SHIPPING_VALIDATE',
+		'EXPENSE_REPORT_VALIDATE',
+		'EXPENSE_REPORT_APPROVE',
+		'HOLIDAY_VALIDATE',
+		'HOLIDAY_APPROVE'
 	);
 
 
@@ -340,22 +345,27 @@ class Notify
 		$oldref=(empty($object->oldref)?$object->ref:$object->oldref);
 		$newref=(empty($object->newref)?$object->ref:$object->newref);
 
+		$sql = '';
+
 		// Check notification per third party
-		$sql = "SELECT 'tocontactid' as type_target, c.email, c.rowid as cid, c.lastname, c.firstname, c.default_lang,";
-		$sql.= " a.rowid as adid, a.label, a.code, n.rowid, n.type";
-		$sql.= " FROM ".MAIN_DB_PREFIX."socpeople as c,";
-		$sql.= " ".MAIN_DB_PREFIX."c_action_trigger as a,";
-		$sql.= " ".MAIN_DB_PREFIX."notify_def as n,";
-		$sql.= " ".MAIN_DB_PREFIX."societe as s";
-		$sql.= " WHERE n.fk_contact = c.rowid AND a.rowid = n.fk_action";
-		$sql.= " AND n.fk_soc = s.rowid";
-		if (is_numeric($notifcode)) $sql.= " AND n.fk_action = ".$notifcode;	// Old usage
-		else $sql.= " AND a.code = '".$notifcode."'";	// New usage
-		$sql .= " AND s.rowid = ".$object->socid;
+		if ($object->socid > 0)
+		{
+			$sql.= "SELECT 'tocontactid' as type_target, c.email, c.rowid as cid, c.lastname, c.firstname, c.default_lang,";
+			$sql.= " a.rowid as adid, a.label, a.code, n.rowid, n.type";
+			$sql.= " FROM ".MAIN_DB_PREFIX."socpeople as c,";
+			$sql.= " ".MAIN_DB_PREFIX."c_action_trigger as a,";
+			$sql.= " ".MAIN_DB_PREFIX."notify_def as n,";
+			$sql.= " ".MAIN_DB_PREFIX."societe as s";
+			$sql.= " WHERE n.fk_contact = c.rowid AND a.rowid = n.fk_action";
+			$sql.= " AND n.fk_soc = s.rowid";
+			if (is_numeric($notifcode)) $sql.= " AND n.fk_action = ".$notifcode;	// Old usage
+			else $sql.= " AND a.code = '".$notifcode."'";	// New usage
+			$sql .= " AND s.rowid = ".$object->socid;
+
+			$sql.= "\nUNION\n";
+		}
 
 		// Check notification per user
-		$sql.= "\nUNION\n";
-
 		$sql.= "SELECT 'touserid' as type_target, c.email, c.rowid as cid, c.lastname, c.firstname, c.lang as default_lang,";
 		$sql.= " a.rowid as adid, a.label, a.code, n.rowid, n.type";
 		$sql.= " FROM ".MAIN_DB_PREFIX."user as c,";
@@ -363,7 +373,7 @@ class Notify
 		$sql.= " ".MAIN_DB_PREFIX."notify_def as n";
 		$sql.= " WHERE n.fk_user = c.rowid AND a.rowid = n.fk_action";
 		if (is_numeric($notifcode)) $sql.= " AND n.fk_action = ".$notifcode;	// Old usage
-		else $sql.= " AND a.code = '".$notifcode."'";	// New usage
+		else $sql.= " AND a.code = '".$this->db->escape($notifcode)."'";	// New usage
 
 		$result = $this->db->query($sql);
 		if ($result)
@@ -473,6 +483,26 @@ class Notify
 								$object_type = 'order_supplier';
 								$mesg = $outputlangs->transnoentitiesnoconv("EMailTextExpeditionValidated",$newref);
 								break;
+							case 'EXPENSE_REPORT_VALIDATE':
+								$dir_output = $conf->expensereport->dir_output;
+								$object_type = 'expensereport';
+								$mesg = $outputlangs->transnoentitiesnoconv("EMailTextExpenseReportValidated",$newref);
+								break;
+							case 'EXPENSE_REPORT_APPROVE':
+								$dir_output = $conf->expensereport->dir_output;
+								$object_type = 'expensereport';
+								$mesg = $outputlangs->transnoentitiesnoconv("EMailTextExpenseReportApproved",$newref);
+								break;
+							case 'HOLIDAY_VALIDATE':
+								$dir_output = $conf->holiday->dir_output;
+								$object_type = 'holiday';
+								$mesg = $outputlangs->transnoentitiesnoconv("EMailTextHolidayValidated",$newref);
+								break;
+							case 'HOLIDAY_APPROVE':
+								$dir_output = $conf->holiday->dir_output;
+								$object_type = 'holiday';
+								$mesg = $outputlangs->transnoentitiesnoconv("EMailTextHolidayApproved",$newref);
+								break;
 						}
 						$ref = dol_sanitizeFileName($newref);
 						$pdf_path = $dir_output."/".$ref."/".$ref.".pdf";
@@ -663,6 +693,26 @@ class Notify
 						$object_type = 'order_supplier';
 						$mesg = $langs->transnoentitiesnoconv("EMailTextExpeditionValidated",$newref);
 						break;
+					case 'EXPENSE_REPORT_VALIDATE':
+						$dir_output = $conf->expensereport->dir_output;
+						$object_type = 'expensereport';
+						$mesg = $langs->transnoentitiesnoconv("EMailTextExpenseReportValidated",$newref);
+						break;
+					case 'EXPENSE_REPORT_APPROVE':
+						$dir_output = $conf->expensereport->dir_output;
+						$object_type = 'expensereport';
+						$mesg = $langs->transnoentitiesnoconv("EMailTextExpenseReportApproved",$newref);
+						break;
+					case 'HOLIDAY_VALIDATE':
+						$dir_output = $conf->holiday->dir_output;
+						$object_type = 'holiday';
+						$mesg = $langs->transnoentitiesnoconv("EMailTextHolidayValidated",$newref);
+						break;
+					case 'HOLIDAY_APPROVE':
+						$dir_output = $conf->holiday->dir_output;
+						$object_type = 'holiday';
+						$mesg = $langs->transnoentitiesnoconv("EMailTextHolidayApproved",$newref);
+						break;
 				}
 				$ref = dol_sanitizeFileName($newref);
 				$pdf_path = $dir_output."/".$ref."/".$ref.".pdf";
diff --git a/htdocs/core/triggers/interface_50_modNotification_Notification.class.php b/htdocs/core/triggers/interface_50_modNotification_Notification.class.php
index 26b36964676..f5995c47c84 100644
--- a/htdocs/core/triggers/interface_50_modNotification_Notification.class.php
+++ b/htdocs/core/triggers/interface_50_modNotification_Notification.class.php
@@ -44,6 +44,7 @@ class InterfaceNotification extends DolibarrTriggers
 	 */
 	public $picto = 'email';
 
+	// @TODO Defined also into notify.class.php)
 	public $listofmanagedevents=array(
 		'BILL_VALIDATE',
 		'BILL_PAYED',
@@ -55,8 +56,12 @@ class InterfaceNotification extends DolibarrTriggers
 		'ORDER_SUPPLIER_VALIDATE',
 		'ORDER_SUPPLIER_APPROVE',
 		'ORDER_SUPPLIER_REFUSE',
-		'SHIPPING_VALIDATE'
-   	);
+		'SHIPPING_VALIDATE',
+		'EXPENSE_REPORT_VALIDATE',
+		'EXPENSE_REPORT_APPROVE',
+		'HOLIDAY_VALIDATE',
+		'HOLIDAY_APPROVE'
+	);
 
 	/**
 	 * Function called when a Dolibarrr business event is done.
@@ -112,7 +117,7 @@ class InterfaceNotification extends DolibarrTriggers
 
 				$qualified=0;
 				// Check is this event is supported by notification module
-				if (in_array($obj->code,$this->listofmanagedevents)) $qualified=1;
+				if (in_array($obj->code, $this->listofmanagedevents)) $qualified=1;
 				// Check if module for this event is active
 				if ($qualified)
 				{
@@ -125,7 +130,7 @@ class InterfaceNotification extends DolibarrTriggers
 					elseif ($element == 'withdraw' && empty($conf->prelevement->enabled)) $qualified=0;
 					elseif ($element == 'shipping' && empty($conf->expedition->enabled)) $qualified=0;
 					elseif ($element == 'member' && empty($conf->adherent->enabled)) $qualified=0;
-					elseif (! in_array($element,array('order_supplier','invoice_supplier','withdraw','shipping','member')) && empty($conf->$element->enabled)) $qualified=0;
+					elseif (! in_array($element,array('order_supplier','invoice_supplier','withdraw','shipping','member','expensereport')) && empty($conf->$element->enabled)) $qualified=0;
 				}
 
 				if ($qualified)
diff --git a/htdocs/holiday/card.php b/htdocs/holiday/card.php
index be365c52351..9c89124c577 100644
--- a/htdocs/holiday/card.php
+++ b/htdocs/holiday/card.php
@@ -214,7 +214,7 @@ if ($action == 'update')
     $object->fetch($id);
 
 	// If under validation
-    if ($object->statut == 1)
+    if ($object->statut == Holiday::STATUS_DRAFT)
     {
         // If this is the requestor or has read/write rights
         if ($cancreate)
@@ -298,7 +298,7 @@ if ($action == 'confirm_delete' && GETPOST('confirm') == 'yes' && $user->rights-
 	$object->fetch($id);
 
     // If this is a rough draft, approved, canceled or refused
-	if ($object->statut == 1 || $object->statut == 4 || $object->statut == 5)
+	if ($object->statut == Holiday::STATUS_DRAFT || $object->statut == Holiday::STATUS_CANCELED || $object->statut == Holiday::STATUS_REFUSED)
 	{
 		// Si l'utilisateur à le droit de lire cette demande, il peut la supprimer
 		if ($candelete)
@@ -332,11 +332,13 @@ if ($action == 'confirm_send')
     $object->fetch($id);
 
     // Si brouillon et créateur
-    if($object->statut == 1 && $cancreate)
+    if($object->statut == Holiday::STATUS_DRAFT && $cancreate)
     {
-        $object->statut = 2;
+    	$object->oldcopy = dol_clone($object);
 
-        $verif = $object->update($user);
+    	$object->statut = Holiday::STATUS_VALIDATED;
+
+        $verif = $object->validate($user);
 
         // Si pas d'erreur SQL on redirige vers la fiche de la demande
         if ($verif > 0)
@@ -435,13 +437,15 @@ if ($action == 'confirm_valid')
     $object->fetch($id);
 
     // Si statut en attente de validation et valideur = utilisateur
-    if ($object->statut == 2 && $user->id == $object->fk_validator)
+    if ($object->statut == Holiday::STATUS_VALIDATED && $user->id == $object->fk_validator)
     {
+    	$object->oldcopy = dol_clone($object);
+
         $object->date_valid = dol_now();
         $object->fk_user_valid = $user->id;
-        $object->statut = 3;
+        $object->statut = Holiday::STATUS_APPROVED;
 
-        $verif = $object->update($user);
+        $verif = $object->approve($user);
 
         // Si pas d'erreur SQL on redirige vers la fiche de la demande
         if ($verif > 0)
@@ -530,11 +534,11 @@ if ($action == 'confirm_refuse' && GETPOST('confirm','alpha') == 'yes')
         $object->fetch($id);
 
         // Si statut en attente de validation et valideur = utilisateur
-        if ($object->statut == 2 && $user->id == $object->fk_validator)
+        if ($object->statut == Holiday::STATUS_VALIDATED && $user->id == $object->fk_validator)
         {
             $object->date_refuse = dol_print_date('dayhour', dol_now());
             $object->fk_user_refuse = $user->id;
-            $object->statut = 5;
+            $object->statut = Holiday::STATUS_REFUSED;
             $object->detail_refuse = GETPOST('detail_refuse','alphanohtml');
 
             $verif = $object->update($user);
@@ -615,7 +619,7 @@ if ($action == 'confirm_draft' && GETPOST('confirm') == 'yes')
     $object->fetch($id);
 
     $oldstatus = $object->statut;
-    $object->statut = 1;
+    $object->statut = Holiday::STATUS_DRAFT;
 
     $result = $object->update($user);
     if ($result < 0)
@@ -646,18 +650,18 @@ if ($action == 'confirm_cancel' && GETPOST('confirm') == 'yes')
     $object->fetch($id);
 
     // Si statut en attente de validation et valideur = valideur ou utilisateur, ou droits de faire pour les autres
-    if (($object->statut == 2 || $object->statut == 3) && ($user->id == $object->fk_validator || in_array($object->fk_user, $childids) || ! empty($user->rights->holiday->write_all)))
+    if (($object->statut == Holiday::STATUS_VALIDATED || $object->statut == Holiday::STATUS_APPROVED) && ($user->id == $object->fk_validator || in_array($object->fk_user, $childids) || ! empty($user->rights->holiday->write_all)))
     {
     	$db->begin();
 
     	$oldstatus = $object->statut;
         $object->date_cancel = dol_now();
         $object->fk_user_cancel = $user->id;
-        $object->statut = 4;
+        $object->statut = Holiday::STATUS_CANCELED;
 
         $result = $object->update($user);
 
-        if ($result >= 0 && $oldstatus == 3)	// holiday was already validated, status 3, so we must increase back sold
+        if ($result >= 0 && $oldstatus == Holiday::STATUS_APPROVED)	// holiday was already validated, status 3, so we must increase back sold
         {
         	// Calculcate number of days consummed
         	$nbopenedday=num_open_day($object->date_debut_gmt,$object->date_fin_gmt,0,1,$object->halfday);
diff --git a/htdocs/holiday/class/holiday.class.php b/htdocs/holiday/class/holiday.class.php
index a888a4919a6..bc964ec7fc6 100644
--- a/htdocs/holiday/class/holiday.class.php
+++ b/htdocs/holiday/class/holiday.class.php
@@ -598,6 +598,234 @@ class Holiday extends CommonObject
 		}
 	}
 
+
+	/**
+	 *	Validate leave request
+	 *
+	 *  @param	User	$user        	User that validate
+	 *  @param  int		$notrigger	    0=launch triggers after, 1=disable triggers
+	 *  @return int         			<0 if KO, >0 if OK
+	 */
+	function validate($user=null, $notrigger=0)
+	{
+		global $conf, $langs;
+		$error=0;
+
+		// Update request
+		$sql = "UPDATE ".MAIN_DB_PREFIX."holiday SET";
+
+		$sql.= " description= '".$this->db->escape($this->description)."',";
+
+		if(!empty($this->date_debut)) {
+			$sql.= " date_debut = '".$this->db->idate($this->date_debut)."',";
+		} else {
+			$error++;
+		}
+		if(!empty($this->date_fin)) {
+			$sql.= " date_fin = '".$this->db->idate($this->date_fin)."',";
+		} else {
+			$error++;
+		}
+		$sql.= " halfday = ".$this->halfday.",";
+		if(!empty($this->statut) && is_numeric($this->statut)) {
+			$sql.= " statut = ".$this->statut.",";
+		} else {
+			$error++;
+		}
+		if(!empty($this->fk_validator)) {
+			$sql.= " fk_validator = '".$this->db->escape($this->fk_validator)."',";
+		} else {
+			$error++;
+		}
+		if(!empty($this->date_valid)) {
+			$sql.= " date_valid = '".$this->db->idate($this->date_valid)."',";
+		} else {
+			$sql.= " date_valid = NULL,";
+		}
+		if(!empty($this->fk_user_valid)) {
+			$sql.= " fk_user_valid = '".$this->db->escape($this->fk_user_valid)."',";
+		} else {
+			$sql.= " fk_user_valid = NULL,";
+		}
+		if(!empty($this->date_refuse)) {
+			$sql.= " date_refuse = '".$this->db->idate($this->date_refuse)."',";
+		} else {
+			$sql.= " date_refuse = NULL,";
+		}
+		if(!empty($this->fk_user_refuse)) {
+			$sql.= " fk_user_refuse = '".$this->db->escape($this->fk_user_refuse)."',";
+		} else {
+			$sql.= " fk_user_refuse = NULL,";
+		}
+		if(!empty($this->date_cancel)) {
+			$sql.= " date_cancel = '".$this->db->idate($this->date_cancel)."',";
+		} else {
+			$sql.= " date_cancel = NULL,";
+		}
+		if(!empty($this->fk_user_cancel)) {
+			$sql.= " fk_user_cancel = '".$this->db->escape($this->fk_user_cancel)."',";
+		} else {
+			$sql.= " fk_user_cancel = NULL,";
+		}
+		if(!empty($this->detail_refuse)) {
+			$sql.= " detail_refuse = '".$this->db->escape($this->detail_refuse)."'";
+		} else {
+			$sql.= " detail_refuse = NULL";
+		}
+
+		$sql.= " WHERE rowid= ".$this->id;
+
+		$this->db->begin();
+
+		dol_syslog(get_class($this)."::validate", LOG_DEBUG);
+		$resql = $this->db->query($sql);
+		if (! $resql) {
+			$error++; $this->errors[]="Error ".$this->db->lasterror();
+		}
+
+		if (! $error)
+		{
+			if (! $notrigger)
+			{
+				// Call trigger
+				$result=$this->call_trigger('HOLIDAY_VALIDATE',$user);
+				if ($result < 0) { $error++; }
+				// End call triggers
+			}
+		}
+
+		// Commit or rollback
+		if ($error)
+		{
+			foreach($this->errors as $errmsg)
+			{
+				dol_syslog(get_class($this)."::validate ".$errmsg, LOG_ERR);
+				$this->error.=($this->error?', '.$errmsg:$errmsg);
+			}
+			$this->db->rollback();
+			return -1*$error;
+		}
+		else
+		{
+			$this->db->commit();
+			return 1;
+		}
+	}
+
+
+	/**
+	 *	Approve leave request
+	 *
+	 *  @param	User	$user        	User that approve
+	 *  @param  int		$notrigger	    0=launch triggers after, 1=disable triggers
+	 *  @return int         			<0 if KO, >0 if OK
+	 */
+	function approve($user=null, $notrigger=0)
+	{
+		global $conf, $langs;
+		$error=0;
+
+		// Update request
+		$sql = "UPDATE ".MAIN_DB_PREFIX."holiday SET";
+
+		$sql.= " description= '".$this->db->escape($this->description)."',";
+
+		if(!empty($this->date_debut)) {
+			$sql.= " date_debut = '".$this->db->idate($this->date_debut)."',";
+		} else {
+			$error++;
+		}
+		if(!empty($this->date_fin)) {
+			$sql.= " date_fin = '".$this->db->idate($this->date_fin)."',";
+		} else {
+			$error++;
+		}
+		$sql.= " halfday = ".$this->halfday.",";
+		if(!empty($this->statut) && is_numeric($this->statut)) {
+			$sql.= " statut = ".$this->statut.",";
+		} else {
+			$error++;
+		}
+		if(!empty($this->fk_validator)) {
+			$sql.= " fk_validator = '".$this->db->escape($this->fk_validator)."',";
+		} else {
+			$error++;
+		}
+		if(!empty($this->date_valid)) {
+			$sql.= " date_valid = '".$this->db->idate($this->date_valid)."',";
+		} else {
+			$sql.= " date_valid = NULL,";
+		}
+		if(!empty($this->fk_user_valid)) {
+			$sql.= " fk_user_valid = '".$this->db->escape($this->fk_user_valid)."',";
+		} else {
+			$sql.= " fk_user_valid = NULL,";
+		}
+		if(!empty($this->date_refuse)) {
+			$sql.= " date_refuse = '".$this->db->idate($this->date_refuse)."',";
+		} else {
+			$sql.= " date_refuse = NULL,";
+		}
+		if(!empty($this->fk_user_refuse)) {
+			$sql.= " fk_user_refuse = '".$this->db->escape($this->fk_user_refuse)."',";
+		} else {
+			$sql.= " fk_user_refuse = NULL,";
+		}
+		if(!empty($this->date_cancel)) {
+			$sql.= " date_cancel = '".$this->db->idate($this->date_cancel)."',";
+		} else {
+			$sql.= " date_cancel = NULL,";
+		}
+		if(!empty($this->fk_user_cancel)) {
+			$sql.= " fk_user_cancel = '".$this->db->escape($this->fk_user_cancel)."',";
+		} else {
+			$sql.= " fk_user_cancel = NULL,";
+		}
+		if(!empty($this->detail_refuse)) {
+			$sql.= " detail_refuse = '".$this->db->escape($this->detail_refuse)."'";
+		} else {
+			$sql.= " detail_refuse = NULL";
+		}
+
+		$sql.= " WHERE rowid= ".$this->id;
+
+		$this->db->begin();
+
+		dol_syslog(get_class($this)."::approve", LOG_DEBUG);
+		$resql = $this->db->query($sql);
+		if (! $resql) {
+			$error++; $this->errors[]="Error ".$this->db->lasterror();
+		}
+
+		if (! $error)
+		{
+			if (! $notrigger)
+			{
+				// Call trigger
+				$result=$this->call_trigger('HOLIDAY_APPROVE',$user);
+				if ($result < 0) { $error++; }
+				// End call triggers
+			}
+		}
+
+		// Commit or rollback
+		if ($error)
+		{
+			foreach($this->errors as $errmsg)
+			{
+				dol_syslog(get_class($this)."::approve ".$errmsg, LOG_ERR);
+				$this->error.=($this->error?', '.$errmsg:$errmsg);
+			}
+			$this->db->rollback();
+			return -1*$error;
+		}
+		else
+		{
+			$this->db->commit();
+			return 1;
+		}
+	}
+
 	/**
 	 *	Update database
 	 *
diff --git a/htdocs/install/mysql/data/llx_c_action_trigger.sql b/htdocs/install/mysql/data/llx_c_action_trigger.sql
index 435d98a7a88..6f3bb5461f8 100644
--- a/htdocs/install/mysql/data/llx_c_action_trigger.sql
+++ b/htdocs/install/mysql/data/llx_c_action_trigger.sql
@@ -101,6 +101,8 @@ insert into llx_c_action_trigger (code,label,description,elementtype,rang) value
 insert into llx_c_action_trigger (code,label,description,elementtype,rang) values ('EXPENSE_REPORT_APPROVE','Expense report approved','Executed when an expense report is approved','expensereport',203);
 insert into llx_c_action_trigger (code,label,description,elementtype,rang) values ('EXPENSE_REPORT_PAYED','Expense report billed','Executed when an expense report is set as billed','expensereport',204);
 insert into llx_c_action_trigger (code,label,description,elementtype,rang) values ('EXPENSE_DELETE','Expense report deleted','Executed when an expense report is deleted','expensereport',204);
+insert into llx_c_action_trigger (code,label,description,elementtype,rang) values ('HOLIDAY_VALIDATE','Expense report validated','Executed when an expense report is validated','expensereport',202);
+insert into llx_c_action_trigger (code,label,description,elementtype,rang) values ('HOLIDAY_APPROVE','Expense report approved','Executed when an expense report is approved','expensereport',203);
 insert into llx_c_action_trigger (code,label,description,elementtype,rang) values ('PROJECT_VALIDATE','Project validation','Executed when a project is validated','project',141);
 insert into llx_c_action_trigger (code,label,description,elementtype,rang) values ('PROJECT_DELETE','Project deleted','Executed when a project is deleted','project',143);
 -- actions not enabled by default (no constant created for that) when we enable module agenda 
diff --git a/htdocs/install/mysql/migration/8.0.0-9.0.0.sql b/htdocs/install/mysql/migration/8.0.0-9.0.0.sql
index c29cc803836..9048c681aa1 100644
--- a/htdocs/install/mysql/migration/8.0.0-9.0.0.sql
+++ b/htdocs/install/mysql/migration/8.0.0-9.0.0.sql
@@ -69,6 +69,8 @@ insert into llx_c_action_trigger (code,label,description,elementtype,rang) value
 insert into llx_c_action_trigger (code,label,description,elementtype,rang) values ('CONTRACT_DELETE','Contract deleted','Executed when a contract is deleted','contrat',18);
 insert into llx_c_action_trigger (code,label,description,elementtype,rang) values ('FICHINTER_DELETE','Intervention is deleted','Executed when a intervention is deleted','ficheinter',35);
 insert into llx_c_action_trigger (code,label,description,elementtype,rang) values ('EXPENSE_DELETE','Expense report deleted','Executed when an expense report is deleted','expensereport',204);
+insert into llx_c_action_trigger (code,label,description,elementtype,rang) values ('HOLIDAY_VALIDATE','Expense report validated','Executed when an expense report is validated','expensereport',202);
+insert into llx_c_action_trigger (code,label,description,elementtype,rang) values ('HOLIDAY_APPROVE','Expense report approved','Executed when an expense report is approved','expensereport',203);
 
 ALTER TABLE llx_payment_salary ADD COLUMN fk_projet integer DEFAULT NULL after amount;
 
diff --git a/htdocs/langs/en_US/other.lang b/htdocs/langs/en_US/other.lang
index 67b9681fa3b..91442bbd05d 100644
--- a/htdocs/langs/en_US/other.lang
+++ b/htdocs/langs/en_US/other.lang
@@ -31,9 +31,6 @@ NextYearOfInvoice=Following year of invoice date
 DateNextInvoiceBeforeGen=Date of next invoice (before generation)
 DateNextInvoiceAfterGen=Date of next invoice (after generation)
 
-Notify_FICHINTER_ADD_CONTACT=Added contact to Intervention
-Notify_FICHINTER_VALIDATE=Intervention validated
-Notify_FICHINTER_SENTBYMAIL=Intervention sent by mail
 Notify_ORDER_VALIDATE=Customer order validated
 Notify_ORDER_SENTBYMAIL=Customer order sent by mail
 Notify_ORDER_SUPPLIER_SENTBYMAIL=Supplier order sent by mail
@@ -60,6 +57,8 @@ Notify_BILL_SUPPLIER_SENTBYMAIL=Supplier invoice sent by mail
 Notify_BILL_SUPPLIER_CANCELED=Supplier invoice cancelled
 Notify_CONTRACT_VALIDATE=Contract validated
 Notify_FICHEINTER_VALIDATE=Intervention validated
+Notify_FICHINTER_ADD_CONTACT=Added contact to Intervention
+Notify_FICHINTER_SENTBYMAIL=Intervention sent by mail
 Notify_SHIPPING_VALIDATE=Shipping validated
 Notify_SHIPPING_SENTBYMAIL=Shipping sent by mail
 Notify_MEMBER_VALIDATE=Member validated
@@ -71,6 +70,10 @@ Notify_PROJECT_CREATE=Project creation
 Notify_TASK_CREATE=Task created
 Notify_TASK_MODIFY=Task modified
 Notify_TASK_DELETE=Task deleted
+Notify_EXPENSE_REPORT_VALIDATE=Expense report validated (approval required)
+Notify_EXPENSE_REPORT_APPROVE=Expense report approved
+Notify_HOLIDAY_VALIDATE=Leave request validated (approval required)
+Notify_HOLIDAY_APPROVE=Leave request approved
 SeeModuleSetup=See setup of module %s
 NbOfAttachedFiles=Number of attached files/documents
 TotalSizeOfAttachedFiles=Total size of attached files/documents
@@ -198,6 +201,10 @@ EMailTextOrderApprovedBy=The order %s has been approved by %s.
 EMailTextOrderRefused=The order %s has been refused.
 EMailTextOrderRefusedBy=The order %s has been refused by %s.
 EMailTextExpeditionValidated=The shipping %s has been validated.
+EMailTextExpenseReportValidated=The expense report %s has been validated.
+EMailTextExpenseReportApproved=The expensereport %s has been approved.
+EMailTextHolidayValidated=The leave request %s has been validated.
+EMailTextHolidayApproved=The leave request %s has been approved.
 ImportedWithSet=Importation data set
 DolibarrNotification=Automatic notification
 ResizeDesc=Enter new width <b>OR</b> new height. Ratio will be kept during resizing...