diff --git a/htdocs/install/mysql/migration/15.0.0-16.0.0.sql b/htdocs/install/mysql/migration/15.0.0-16.0.0.sql
index 5d838fc8bb1..fd32936fb04 100644
--- a/htdocs/install/mysql/migration/15.0.0-16.0.0.sql
+++ b/htdocs/install/mysql/migration/15.0.0-16.0.0.sql
@@ -272,4 +272,7 @@ ALTER TABLE llx_reception MODIFY COLUMN ref_supplier varchar(128);
 ALTER TABLE llx_bank_account ADD COLUMN pti_in_ctti smallint DEFAULT 0 AFTER domiciliation;
 
 -- Set default ticket type to OTHER if no default exists
-UPDATE llx_c_ticket_type SET use_default=1 WHERE code='OTHER' AND NOT EXISTS(SELECT * FROM (SELECT * FROM llx_c_ticket_type) AS t WHERE use_default=1);
\ No newline at end of file
+UPDATE llx_c_ticket_type SET use_default=1 WHERE code='OTHER' AND NOT EXISTS(SELECT * FROM (SELECT * FROM llx_c_ticket_type) AS t WHERE use_default=1);
+
+ALTER TABLE llx_user ADD COLUMN ref_employee varchar(50) DEFAULT NULL;
+ALTER TABLE llx_user ADD COLUMN national_registration_number varchar(50) DEFAULT NULL;
diff --git a/htdocs/install/mysql/tables/llx_user.sql b/htdocs/install/mysql/tables/llx_user.sql
index 6cfdf8bfbb8..694ed360b21 100644
--- a/htdocs/install/mysql/tables/llx_user.sql
+++ b/htdocs/install/mysql/tables/llx_user.sql
@@ -108,5 +108,7 @@ create table llx_user
   import_key        varchar(14),				-- import key
   default_range     integer,
   default_c_exp_tax_cat     integer,
+  employee_number   varchar(50),
+  national_registration_number  varchar(50),
   fk_warehouse      integer						-- default warehouse os user
 )ENGINE=innodb;
diff --git a/htdocs/user/bank.php b/htdocs/user/bank.php
index 47cc3826e51..17d52d7cbb6 100644
--- a/htdocs/user/bank.php
+++ b/htdocs/user/bank.php
@@ -508,6 +508,19 @@ if ($action != 'edit' && $action != 'create') {		// If not bank account yet, $ac
 		print '<td>'.$object->accountancy_code.'</td></tr>';
 	}
 
+	// Employee Number
+	if (!empty($conf->accounting->enabled)) {
+		print '<tr><td>'.$langs->trans("ref_employee").'</td>';
+		print '<td>'.$object->ref_employee.'</td></tr>';
+	}
+
+	// National registration number
+	if (!empty($conf->accounting->enabled)) {
+		print '<tr><td>'.$langs->trans("NationalRegistrationNumber").'</td>';
+		print '<td>'.$object->national_registration_number.'</td></tr>';
+	}
+
+
 	print '</table>';
 
 	print '</div><div class="fichehalfright">';
diff --git a/htdocs/user/card.php b/htdocs/user/card.php
index 00c94feaf44..68b62950811 100644
--- a/htdocs/user/card.php
+++ b/htdocs/user/card.php
@@ -247,6 +247,8 @@ if (empty($reshook)) {
 			$object->civility_code = GETPOST("civility_code", 'aZ09');
 			$object->lastname = GETPOST("lastname", 'alphanohtml');
 			$object->firstname = GETPOST("firstname", 'alphanohtml');
+			$object->ref_employee = GETPOST("ref_employee", 'alphanohtml');
+			$object->national_registration_number = GETPOST("national_registration_number", 'alphanohtml');
 			$object->login = GETPOST("login", 'alphanohtml');
 			$object->api_key = GETPOST("api_key", 'alphanohtml');
 			$object->gender = GETPOST("gender", 'aZ09');
@@ -259,6 +261,7 @@ if (empty($reshook)) {
 			$object->office_phone = GETPOST("office_phone", 'alphanohtml');
 			$object->office_fax = GETPOST("office_fax", 'alphanohtml');
 			$object->user_mobile = GETPOST("user_mobile", 'alphanohtml');
+			$object->ref_employee = GETPOST("ref_employee", 'alphanohtml');
 
 			if (!empty($conf->socialnetworks->enabled)) {
 				$object->socialnetworks = array();
@@ -402,6 +405,7 @@ if (empty($reshook)) {
 				$object->civility_code = GETPOST("civility_code", 'aZ09');
 				$object->lastname = GETPOST("lastname", 'alphanohtml');
 				$object->firstname = GETPOST("firstname", 'alphanohtml');
+				$object->ref_employee = GETPOST("ref_employee", 'alphanohtml');
 				$object->gender = GETPOST("gender", 'aZ09');
 				$object->pass = GETPOST("password", 'none');	// We can keep 'none' for password fields
 				$object->api_key = (GETPOST("api_key", 'alphanohtml')) ? GETPOST("api_key", 'alphanohtml') : $object->api_key;
@@ -845,6 +849,12 @@ if ($action == 'create' || $action == 'adduserldap') {
 	}
 	print '</td></tr>';
 
+	// Ref remployee
+	print '<tr><td>'.$langs->trans("ref_employee").'</td>';
+	print '<td>';
+	print '<input class="minwidth100 maxwidth150onsmartphone" type="text" name="ref_employee" value="'.dol_escape_htmltag(GETPOST('ref_employee', 'alphanohtml')).'">';
+	print '</td></tr>';
+
 	// Login
 	print '<tr><td><span class="fieldrequired">'.$langs->trans("Login").'</span></td>';
 	print '<td>';
@@ -2089,6 +2099,17 @@ if ($action == 'create' || $action == 'adduserldap') {
 			}
 			print '</td></tr>';
 
+			// Ref employee
+			print "<tr>".'<td>'.$langs->trans("ref_employee").'</td>';
+			print '<td>';
+			if ($caneditfield && !$object->ldap_sid) {
+				print '<input class="minwidth100" type="text" class="flat" name="ref_employee" value="'.$object->ref_employee.'">';
+			} else {
+				print '<input type="hidden" name="ref_employee" value="'.$object->ref_employee.'">';
+				print $object->ref_employee;
+			}
+			print '</td></tr>';
+
 			// Login
 			print "<tr>".'<td><span class="fieldrequired">'.$langs->trans("Login").'</span></td>';
 			print '<td>';
diff --git a/htdocs/user/class/user.class.php b/htdocs/user/class/user.class.php
index 6c5926f8c43..84118961692 100644
--- a/htdocs/user/class/user.class.php
+++ b/htdocs/user/class/user.class.php
@@ -339,6 +339,17 @@ class User extends CommonObject
 	public $dateemploymentend; // Define date of employment end by company
 
 	public $default_c_exp_tax_cat;
+
+	/**
+	 * @var string ref for employee
+	 */
+	public $ref_employee;
+
+	/**
+	 * @var string national registration number
+	 */
+	public $national_registration_number;
+
 	public $default_range;
 
 	/**
@@ -350,6 +361,8 @@ class User extends CommonObject
 		'rowid'=>array('type'=>'integer', 'label'=>'TechnicalID', 'enabled'=>1, 'visible'=>-2, 'notnull'=>1, 'index'=>1, 'position'=>1, 'comment'=>'Id'),
 		'lastname'=>array('type'=>'varchar(50)', 'label'=>'LastName', 'enabled'=>1, 'visible'=>1, 'notnull'=>1, 'showoncombobox'=>1, 'index'=>1, 'position'=>20, 'searchall'=>1),
 		'firstname'=>array('type'=>'varchar(50)', 'label'=>'FirstName', 'enabled'=>1, 'visible'=>1, 'notnull'=>1, 'showoncombobox'=>1, 'index'=>1, 'position'=>10, 'searchall'=>1),
+		'ref_employee'=>array('type'=>'varchar(50)', 'label'=>'ref_employee', 'enabled'=>1, 'visible'=>1, 'notnull'=>1, 'showoncombobox'=>1, 'index'=>1, 'position'=>30, 'searchall'=>1),
+		'national_registration_number'=>array('type'=>'varchar(50)', 'label'=>'national_registration_number', 'enabled'=>1, 'visible'=>1, 'notnull'=>1, 'showoncombobox'=>1, 'index'=>1, 'position'=>40, 'searchall'=>1)
 	);
 
 
@@ -437,6 +450,8 @@ class User extends CommonObject
 		$sql .= " u.fk_warehouse,";
 		$sql .= " u.ref_ext,";
 		$sql .= " u.default_range, u.default_c_exp_tax_cat,"; // Expense report default mode
+		$sql .= " u.national_registration_number,";
+		$sql .= " u.ref_employee,";
 		$sql .= " c.code as country_code, c.label as country,";
 		$sql .= " d.code_departement as state_code, d.nom as state";
 		$sql .= " FROM ".$this->db->prefix()."user as u";
@@ -488,6 +503,8 @@ class User extends CommonObject
 				$this->civility_code = $obj->civility_code;
 				$this->lastname = $obj->lastname;
 				$this->firstname = $obj->firstname;
+				$this->ref_employee = $obj->ref_employee;
+				$this->national_registration_number = $obj->national_registration_number;
 
 				$this->employee = $obj->employee;
 
@@ -1755,6 +1772,8 @@ class User extends CommonObject
 		$this->civility_code = trim($this->civility_code);
 		$this->lastname     = trim($this->lastname);
 		$this->firstname    = trim($this->firstname);
+		$this->ref_employee    = trim($this->ref_employee);
+		$this->national_registration_number    = trim($this->national_registration_number);
 		$this->employee    	= $this->employee ? $this->employee : 0;
 		$this->login        = trim($this->login);
 		$this->gender       = trim($this->gender);
@@ -1847,6 +1866,8 @@ class User extends CommonObject
 		$sql .= " civility = '".$this->db->escape($this->civility_code)."'";
 		$sql .= ", lastname = '".$this->db->escape($this->lastname)."'";
 		$sql .= ", firstname = '".$this->db->escape($this->firstname)."'";
+		$sql .= ", ref_employee = '".$this->db->escape($this->ref_employee)."'";
+		$sql .= ", national_registration_number = '".$this->db->escape($this->national_registration_number)."'";
 		$sql .= ", employee = ".(int) $this->employee;
 		$sql .= ", login = '".$this->db->escape($this->login)."'";
 		$sql .= ", api_key = ".($this->api_key ? "'".$this->db->escape($this->api_key)."'" : "null");