diff --git a/htdocs/core/class/extrafields.class.php b/htdocs/core/class/extrafields.class.php
index f1ad5d6687f..e7cc87efef5 100644
--- a/htdocs/core/class/extrafields.class.php
+++ b/htdocs/core/class/extrafields.class.php
@@ -48,11 +48,13 @@ class ExtraFields
 	var $attribute_required;
 	// Array to store parameters of attribute (used in select type)
 	var $attribute_param;
-	// Int to store position of attribute
+	// Array to store position of attribute
 	var $attribute_pos;
-	// Int to store if attribute is editable regardless of the document status
+	// Array to store if attribute is editable regardless of the document status
 	var $attribute_alwayseditable;
-
+	// Array to store permission to check
+	var $attribute_perms;
+	
 	var $error;
 	var $errno;
 
@@ -90,6 +92,7 @@ class ExtraFields
 		$this->attribute_elementtype = array();
 		$this->attribute_unique = array();
 		$this->attribute_required = array();
+		$this->attribute_perms = array();
 	}
 
 	/**
@@ -106,9 +109,10 @@ class ExtraFields
 	 *  @param	string	$default_value		Defaulted value
 	 *  @param  array	$param				Params for field
 	 *  @param  int		$alwayseditable		Is attribute always editable regardless of the document status
+	 *  @param	string	$perms				Permission to check
 	 *  @return int      					<=0 if KO, >0 if OK
 	 */
-	function addExtraField($attrname, $label, $type, $pos, $size, $elementtype, $unique=0, $required=0, $default_value='', $param=0, $alwayseditable=0)
+	function addExtraField($attrname, $label, $type, $pos, $size, $elementtype, $unique=0, $required=0, $default_value='', $param=0, $alwayseditable=0, $perms='')
 	{
 		if (empty($attrname)) return -1;
 		if (empty($label)) return -1;
@@ -124,7 +128,7 @@ class ExtraFields
 		if ($result > 0 || $err1 == 'DB_ERROR_COLUMN_ALREADY_EXISTS' || $type == 'separate')
 		{
 			// Add declaration of field into table
-			$result2=$this->create_label($attrname,$label,$type,$pos,$size,$elementtype, $unique, $required, $param, $alwayseditable);
+			$result2=$this->create_label($attrname,$label,$type,$pos,$size,$elementtype, $unique, $required, $param, $alwayseditable, $perms);
 			$err2=$this->errno;
 			if ($result2 > 0 || ($err1 == 'DB_ERROR_COLUMN_ALREADY_EXISTS' && $err2 == 'DB_ERROR_RECORD_ALREADY_EXISTS'))
 			{
@@ -225,9 +229,10 @@ class ExtraFields
 	 *  @param	int				$required		Is field required or not
 	 *  @param  array||string	$param			Params for field  (ex for select list : array('options' => array(value'=>'label of option')) )
 	 *  @param  int				$alwayseditable	Is attribute always editable regardless of the document status
+	 *  @param	string			$perms			Permission to check
 	 *  @return	int								<=0 if KO, >0 if OK
 	 */
-	private function create_label($attrname, $label='', $type='', $pos=0, $size=0, $elementtype='member', $unique=0, $required=0, $param='', $alwayseditable=0)
+	private function create_label($attrname, $label='', $type='', $pos=0, $size=0, $elementtype='member', $unique=0, $required=0, $param='', $alwayseditable=0, $perms='')
 	{
 		global $conf;
 
@@ -251,7 +256,7 @@ class ExtraFields
 				$params='';
 			}
 
-			$sql = "INSERT INTO ".MAIN_DB_PREFIX."extrafields(name, label, type, pos, size, entity, elementtype, fieldunique, fieldrequired, param, alwayseditable)";
+			$sql = "INSERT INTO ".MAIN_DB_PREFIX."extrafields(name, label, type, pos, size, entity, elementtype, fieldunique, fieldrequired, param, alwayseditable, perms)";
 			$sql.= " VALUES('".$attrname."',";
 			$sql.= " '".$this->db->escape($label)."',";
 			$sql.= " '".$type."',";
@@ -263,6 +268,7 @@ class ExtraFields
 			$sql.= " '".$required."',";
 			$sql.= " '".$params."',";
 			$sql.= " '".$alwayseditable."'";
+			$sql.= " ".($perms?"'".$this->db->escape($perms)."'":"null");
 			$sql.=')';
 
 			dol_syslog(get_class($this)."::create_label", LOG_DEBUG);
@@ -363,9 +369,10 @@ class ExtraFields
 	 *  @param	int		$pos				Position of attribute
 	 *  @param  array	$param				Params for field  (ex for select list : array('options' => array(value'=>'label of option')) )
 	 *  @param  int		$alwayseditable		Is attribute always editable regardless of the document status
+	 *  @param	string	$perms				Permission to check
 	 * 	@return	int							>0 if OK, <=0 if KO
 	 */
-	function update($attrname,$label,$type,$length,$elementtype,$unique=0,$required=0,$pos=0,$param='',$alwayseditable=0)
+	function update($attrname,$label,$type,$length,$elementtype,$unique=0,$required=0,$pos=0,$param='',$alwayseditable=0, $perms='')
 	{
 		if ($elementtype == 'thirdparty') $elementtype='societe';
 
@@ -402,7 +409,7 @@ class ExtraFields
 			{
 				if ($label)
 				{
-					$result=$this->update_label($attrname,$label,$type,$length,$elementtype,$unique,$required,$pos,$param,$alwayseditable);
+					$result=$this->update_label($attrname,$label,$type,$length,$elementtype,$unique,$required,$pos,$param,$alwayseditable,$perms);
 				}
 				if ($result > 0)
 				{
@@ -451,12 +458,13 @@ class ExtraFields
 	 *  @param	int		$pos				Position of attribute
 	 *  @param  array	$param				Params for field  (ex for select list : array('options' => array(value'=>'label of option')) )
 	 *  @param  int		$alwayseditable		Is attribute always editable regardless of the document status
+	 *  @param	string	$perms				Permission to check
 	 *  @return	int							<=0 if KO, >0 if OK
 	 */
-	private function update_label($attrname,$label,$type,$size,$elementtype,$unique=0,$required=0,$pos=0,$param='',$alwayseditable=0)
+	private function update_label($attrname,$label,$type,$size,$elementtype,$unique=0,$required=0,$pos=0,$param='',$alwayseditable=0,$perms='')
 	{
 		global $conf;
-		dol_syslog(get_class($this)."::update_label ".$attrname.", ".$label.", ".$type.", ".$size.", ".$elementtype.", ".$unique.", ".$required);
+		dol_syslog(get_class($this)."::update_label ".$attrname.", ".$label.", ".$type.", ".$size.", ".$elementtype.", ".$unique.", ".$required.", ".$pos.", ".$alwayseditable.", ".$perms);
 
 		if ($elementtype == 'thirdparty') $elementtype='societe';
 
@@ -485,6 +493,7 @@ class ExtraFields
 			$sql.= " elementtype,";
 			$sql.= " fieldunique,";
 			$sql.= " fieldrequired,";
+			$sql.= " perms,";
 			$sql.= " pos,";
 			$sql.= " alwayseditable,";
 			$sql.= " param";
@@ -497,6 +506,7 @@ class ExtraFields
 			$sql.= " '".$elementtype."',";
 			$sql.= " '".$unique."',";
 			$sql.= " '".$required."',";
+			$sql.= " ".($perms?"'".$this->db->escape($perms)."'":"null");
 			$sql.= " '".$pos."',";
 			$sql.= " '".$alwayseditable."',";
 			$sql.= " '".$param."'";
@@ -542,7 +552,7 @@ class ExtraFields
 		// For avoid conflicts with external modules
 		if (!$forceload && !empty($conf->global->MAIN_EXTRAFIELDS_DISABLED)) return $array_name_label;
 
-		$sql = "SELECT rowid,name,label,type,size,elementtype,fieldunique,fieldrequired,param,pos,alwayseditable";
+		$sql = "SELECT rowid,name,label,type,size,elementtype,fieldunique,fieldrequired,param,pos,alwayseditable,perms";
 		$sql.= " FROM ".MAIN_DB_PREFIX."extrafields";
 		$sql.= " WHERE entity IN (0,".$conf->entity.")";
 		if ($elementtype) $sql.= " AND elementtype = '".$elementtype."'";
@@ -571,6 +581,7 @@ class ExtraFields
 					$this->attribute_param[$tab->name]=unserialize($tab->param);
 					$this->attribute_pos[$tab->name]=$tab->pos;
 					$this->attribute_alwayseditable[$tab->name]=$tab->alwayseditable;
+					$this->attribute_perms[$tab->name]=$tab->perms;
 				}
 			}
 		}
@@ -603,6 +614,7 @@ class ExtraFields
 		$unique=$this->attribute_unique[$key];
 		$required=$this->attribute_required[$key];
 		$param=$this->attribute_param[$key];
+		$perms=$this->attribute_perms[$key];
 		if ($type == 'date')
 		{
 			$showsize=10;
@@ -1040,6 +1052,7 @@ class ExtraFields
 		$unique=$this->attribute_unique[$key];
 		$required=$this->attribute_required[$key];
 		$params=$this->attribute_param[$key];
+		$perms=$this->attribute_perms[$key];
 		if ($type == 'date')
 		{
 			$showsize=10;
diff --git a/htdocs/install/mysql/migration/3.7.0-3.8.0.sql b/htdocs/install/mysql/migration/3.7.0-3.8.0.sql
index 2a36ef78737..22890a149ce 100755
--- a/htdocs/install/mysql/migration/3.7.0-3.8.0.sql
+++ b/htdocs/install/mysql/migration/3.7.0-3.8.0.sql
@@ -19,6 +19,8 @@
 -- -- VMYSQL4.1 DELETE FROM llx_usergroup_user      WHERE fk_usergroup NOT IN (SELECT rowid from llx_usergroup);
 
 
+ALTER TABLE llx_extrafields ADD COLUMN perms varchar(255) after fieldrequired;
+
 UPDATE llx_projet_task_time SET task_datehour = task_date where task_datehour IS NULL;
 ALTER TABLE llx_projet_task_time ADD COLUMN task_date_withhour integer DEFAULT 0 after task_datehour;
 
diff --git a/htdocs/install/mysql/tables/llx_extrafields.sql b/htdocs/install/mysql/tables/llx_extrafields.sql
index f91d21fedb1..11271125508 100644
--- a/htdocs/install/mysql/tables/llx_extrafields.sql
+++ b/htdocs/install/mysql/tables/llx_extrafields.sql
@@ -29,6 +29,7 @@ create table llx_extrafields
 	size            varchar(8) DEFAULT NULL,
 	fieldunique     integer DEFAULT 0,
 	fieldrequired   integer DEFAULT 0,
+	perms			varchar(255),
 	pos             integer DEFAULT 0,
 	alwayseditable  integer DEFAULT 0,
 	param		text