diff --git a/htdocs/admin/dict.php b/htdocs/admin/dict.php
index 954b3e632ca..fb28aa3d045 100644
--- a/htdocs/admin/dict.php
+++ b/htdocs/admin/dict.php
@@ -223,7 +223,7 @@ $tabsql[24] = "SELECT rowid   as rowid, code, label, active FROM ".MAIN_DB_PREFI
 $tabsql[25] = "SELECT rowid   as rowid, code, label, active, module FROM ".MAIN_DB_PREFIX."c_type_container as t WHERE t.entity = ".getEntity($tabname[25]);
 //$tabsql[26]= "SELECT rowid   as rowid, code, label, short_label, active FROM ".MAIN_DB_PREFIX."c_units";
 $tabsql[27] = "SELECT id      as rowid, code, libelle, picto, active FROM ".MAIN_DB_PREFIX."c_stcomm";
-$tabsql[28] = "SELECT h.rowid as rowid, h.code, h.label, h.affect, h.delay, h.newbymonth, h.fk_country as country_id, c.code as country_code, c.label as country, h.active FROM ".MAIN_DB_PREFIX."c_holiday_types as h LEFT JOIN ".MAIN_DB_PREFIX."c_country as c ON h.fk_country=c.rowid";
+$tabsql[28] = "SELECT h.rowid as rowid, h.code, h.label, h.affect, h.delay, h.newbymonth, h.fk_country as country_id, c.code as country_code, c.label as country, h.block_if_negative, h.active FROM ".MAIN_DB_PREFIX."c_holiday_types as h LEFT JOIN ".MAIN_DB_PREFIX."c_country as c ON h.fk_country=c.rowid";
 $tabsql[29] = "SELECT rowid   as rowid, code, label, percent, position, active FROM ".MAIN_DB_PREFIX."c_lead_status";
 $tabsql[30] = "SELECT rowid, code, name, paper_size, orientation, metric, leftmargin, topmargin, nx, ny, spacex, spacey, width, height, font_size, custom_x, custom_y, active FROM ".MAIN_DB_PREFIX."c_format_cards";
 //$tabsql[31]= "SELECT s.rowid as rowid, pcg_version, s.label, s.active FROM ".MAIN_DB_PREFIX."accounting_system as s";
@@ -315,7 +315,7 @@ $tabfield[24] = "code,label";
 $tabfield[25] = "code,label";
 //$tabfield[26]= "code,label,short_label";
 $tabfield[27] = "code,libelle,picto";
-$tabfield[28] = "code,label,affect,delay,newbymonth,country_id,country";
+$tabfield[28] = "code,label,affect,delay,newbymonth,country_id,country,block_if_negative";
 $tabfield[29] = "code,label,percent,position";
 $tabfield[30] = "code,name,paper_size,orientation,metric,leftmargin,topmargin,nx,ny,spacex,spacey,width,height,font_size,custom_x,custom_y";
 //$tabfield[31]= "pcg_version,label";
@@ -361,7 +361,7 @@ $tabfieldvalue[24] = "code,label";
 $tabfieldvalue[25] = "code,label";
 //$tabfieldvalue[26]= "code,label,short_label";
 $tabfieldvalue[27] = "code,libelle,picto";
-$tabfieldvalue[28] = "code,label,affect,delay,newbymonth,country";
+$tabfieldvalue[28] = "code,label,affect,delay,newbymonth,country,block_if_negative";
 $tabfieldvalue[29] = "code,label,percent,position";
 $tabfieldvalue[30] = "code,name,paper_size,orientation,metric,leftmargin,topmargin,nx,ny,spacex,spacey,width,height,font_size,custom_x,custom_y";
 //$tabfieldvalue[31]= "pcg_version,label";
@@ -407,7 +407,7 @@ $tabfieldinsert[24] = "code,label";
 $tabfieldinsert[25] = "code,label";
 //$tabfieldinsert[26]= "code,label,short_label";
 $tabfieldinsert[27] = "code,libelle,picto";
-$tabfieldinsert[28] = "code,label,affect,delay,newbymonth,fk_country";
+$tabfieldinsert[28] = "code,label,affect,delay,newbymonth,fk_country,block_if_negative";
 $tabfieldinsert[29] = "code,label,percent,position";
 $tabfieldinsert[30] = "code,name,paper_size,orientation,metric,leftmargin,topmargin,nx,ny,spacex,spacey,width,height,font_size,custom_x,custom_y";
 //$tabfieldinsert[31]= "pcg_version,label";
@@ -1418,6 +1418,9 @@ if ($id) {
 			if ($value == 'public' && $tablib[$id] == 'TicketDictCategory') {
 				$valuetoshow = $langs->trans('TicketGroupIsPublic'); $class = 'center';
 			}
+			if ($value == 'block_if_negative') {
+				$valuetoshow = $langs->trans('BlockHolidayIfNegative');
+			}
 
 			if ($id == 2) {	// Special case for state page
 				if ($value == 'region_id') {
@@ -1764,6 +1767,9 @@ if ($id) {
 			if ($value == 'public' && $tablib[$id] == 'TicketDictCategory') {
 				$valuetoshow = $langs->trans('TicketGroupIsPublic'); $cssprefix = 'center ';
 			}
+			if ($value == 'block_if_negative') {
+				$valuetoshow = $langs->trans('BlockHolidayIfNegative');
+			}
 
 			if ($value == 'region_id' || $value == 'country_id') {
 				$showfield = 0;
@@ -1981,8 +1987,9 @@ if ($id) {
 									}
 								}
 							} elseif ($value == 'fk_c_exp_tax_cat') {
-								$valuetoshow = getDictionaryValue(MAIN_DB_PREFIX.'c_exp_tax_cat', 'label', $valuetoshow);
-								$valuetoshow = $langs->trans($valuetoshow);
+								$tmpid = $valuetoshow;
+								$valuetoshow = getDictionaryValue(MAIN_DB_PREFIX.'c_exp_tax_cat', 'label', $tmpid);
+								$valuetoshow = $langs->trans($valuetoshow ? $valuetoshow : $tmpid);
 							} elseif ($tabname[$id] == MAIN_DB_PREFIX.'c_exp_tax_cat') {
 								$valuetoshow = $langs->trans($valuetoshow);
 							} elseif ($value == 'label' && $tabname[$id] == MAIN_DB_PREFIX.'c_units') {
@@ -1997,6 +2004,8 @@ if ($id) {
 							} elseif ($fieldlist[$field] == 'label' && $tabname[$id] == MAIN_DB_PREFIX.'c_productbatch_qcstatus') {
 								$langs->load("productbatch");
 								$valuetoshow = $langs->trans($obj->{$value});
+							} elseif ($value == 'block_if_negative') {
+								$valuetoshow = yn($obj->{$value});
 							}
 							$class .= ($class ? ' ' : '').'tddict';
 							if ($value == 'note' && $id == 10) {
@@ -2379,6 +2388,10 @@ function fieldList($fieldlist, $obj = '', $tabname = '', $context = '')
 			print '<td>';
 			print $form->selectExpenseRanges($obj->fk_range);
 			print '</td>';
+		} elseif ($value == 'block_if_negative') {
+			print '<td>';
+			print $form->selectyesno("block_if_negative", (!empty($obj->{$value}) ? $obj->{$value}:''), 1);
+			print '</td>';
 		} else {
 			$fieldValue = isset($obj->{$value}) ? $obj->{$value}: '';
 
diff --git a/htdocs/holiday/class/holiday.class.php b/htdocs/holiday/class/holiday.class.php
index 9a45a735716..29e7c41bb5f 100644
--- a/htdocs/holiday/class/holiday.class.php
+++ b/htdocs/holiday/class/holiday.class.php
@@ -704,6 +704,17 @@ class Holiday extends CommonObject
 		require_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
 		$error = 0;
 
+		$checkBalance = getDictionaryValue(MAIN_DB_PREFIX.'c_holiday_types', 'block_if_negative', $this->fk_type);
+
+		if ($checkBalance > 0) {
+			$balance = $this->getCPforUser($this->fk_user, $this->fk_type);
+
+			if ($balance < 0) {
+				$this->error = 'LeaveRequestCreationBlockedBecauseBalanceIsNegative';
+				return -1;
+			}
+		}
+
 		// Define new ref
 		if (!$error && (preg_match('/^[\(]?PROV/i', $this->ref) || empty($this->ref) || $this->ref == $this->id)) {
 			$num = $this->getNextNumRef(null);
@@ -806,6 +817,17 @@ class Holiday extends CommonObject
 		global $conf, $langs;
 		$error = 0;
 
+		$checkBalance = getDictionaryValue(MAIN_DB_PREFIX.'c_holiday_types', 'block_if_negative', $this->fk_type);
+
+		if ($checkBalance > 0) {
+			$balance = $this->getCPforUser($this->fk_user, $this->fk_type);
+
+			if ($balance < 0) {
+				$this->error = 'LeaveRequestCreationBlockedBecauseBalanceIsNegative';
+				return -1;
+			}
+		}
+
 		// Update request
 		$sql = "UPDATE ".MAIN_DB_PREFIX."holiday SET";
 
@@ -914,6 +936,17 @@ class Holiday extends CommonObject
 		global $conf, $langs;
 		$error = 0;
 
+		$checkBalance = getDictionaryValue(MAIN_DB_PREFIX.'c_holiday_types', 'block_if_negative', $this->fk_type);
+
+		if ($checkBalance > 0 && $this->statut != self::STATUS_DRAFT) {
+			$balance = $this->getCPforUser($this->fk_user, $this->fk_type);
+
+			if ($balance < 0) {
+				$this->error = 'LeaveRequestCreationBlockedBecauseBalanceIsNegative';
+				return -1;
+			}
+		}
+
 		// Update request
 		$sql = "UPDATE ".MAIN_DB_PREFIX."holiday SET";
 
diff --git a/htdocs/install/mysql/migration/14.0.0-15.0.0.sql b/htdocs/install/mysql/migration/14.0.0-15.0.0.sql
index 9af52c8700a..e68f0497a88 100644
--- a/htdocs/install/mysql/migration/14.0.0-15.0.0.sql
+++ b/htdocs/install/mysql/migration/14.0.0-15.0.0.sql
@@ -184,6 +184,9 @@ INSERT INTO llx_c_forme_juridique (fk_pays, code, libelle) VALUES (20, '2010', '
 INSERT INTO llx_c_forme_juridique (fk_pays, code, libelle) VALUES (20, '2011', 'Ideell förening');
 INSERT INTO llx_c_forme_juridique (fk_pays, code, libelle) VALUES (20, '2012', 'Stiftelse');
 
+ALTER TABLE llx_c_holiday_types ADD COLUMN block_if_negative integer NOT NULL DEFAULT 0 AFTER fk_country;
+
+
 -- START  GRH/HRM MODULE
 
 
diff --git a/htdocs/install/mysql/tables/llx_c_holiday_types.sql b/htdocs/install/mysql/tables/llx_c_holiday_types.sql
index b602ee1d330..63a6e522822 100644
--- a/htdocs/install/mysql/tables/llx_c_holiday_types.sql
+++ b/htdocs/install/mysql/tables/llx_c_holiday_types.sql
@@ -24,5 +24,6 @@ CREATE TABLE llx_c_holiday_types (
   delay integer NOT NULL,						-- Minimum delay to be allowed to make request
   newbymonth double(8,5) DEFAULT 0 NOT NULL, -- Amount of new days for each user each month
   fk_country integer DEFAULT NULL,			-- This type is dedicated to a country
+  block_if_negative integer NOT NULL DEFAULT 0,
   active integer DEFAULT 1
 ) ENGINE=innodb;
diff --git a/htdocs/langs/en_US/holiday.lang b/htdocs/langs/en_US/holiday.lang
index dceaef59081..3d0ae64be0f 100644
--- a/htdocs/langs/en_US/holiday.lang
+++ b/htdocs/langs/en_US/holiday.lang
@@ -134,4 +134,6 @@ HolidaysToApprove=Holidays to approve
 NobodyHasPermissionToValidateHolidays=Nobody has permission to validate holidays
 HolidayBalanceMonthlyUpdate=Monthly update of holiday balance
 XIsAUsualNonWorkingDay=%s is usualy a NON working day
+BlockHolidayIfNegative=Block if balance negative
+LeaveRequestCreationBlockedBecauseBalanceIsNegative=The creation of this leave request is blocked because your balance is negative
 ErrorLeaveRequestMustBeDraftCanceledOrRefusedToBeDeleted=Leave request %s must be draft, canceled or refused to be deleted