diff --git a/htdocs/user/card.php b/htdocs/user/card.php
index 68b62950811..961ace97f53 100644
--- a/htdocs/user/card.php
+++ b/htdocs/user/card.php
@@ -261,7 +261,6 @@ 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)) {
 				$object->socialnetworks = array();
@@ -406,6 +405,7 @@ if (empty($reshook)) {
 				$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->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') : $object->api_key;
@@ -855,6 +855,12 @@ if ($action == 'create' || $action == 'adduserldap') {
 	print '<input class="minwidth100 maxwidth150onsmartphone" type="text" name="ref_employee" value="'.dol_escape_htmltag(GETPOST('ref_employee', 'alphanohtml')).'">';
 	print '</td></tr>';
 
+	// National registration number
+	print '<tr><td>'.$langs->trans("national_registration_number").'</td>';
+	print '<td>';
+	print '<input class="minwidth100 maxwidth150onsmartphone" type="text" name="national_registration_number" value="'.dol_escape_htmltag(GETPOST('national_registration_number', 'alphanohtml')).'">';
+	print '</td></tr>';
+
 	// Login
 	print '<tr><td><span class="fieldrequired">'.$langs->trans("Login").'</span></td>';
 	print '<td>';
@@ -2110,6 +2116,17 @@ if ($action == 'create' || $action == 'adduserldap') {
 			}
 			print '</td></tr>';
 
+			// National registration number
+			print "<tr>".'<td>'.$langs->trans("national_registration_number").'</td>';
+			print '<td>';
+			if ($caneditfield && !$object->ldap_sid) {
+				print '<input class="minwidth100" type="text" class="flat" name="national_registration_number" value="'.$object->national_registration_number.'">';
+			} else {
+				print '<input type="hidden" name="national_registration_number" value="'.$object->national_registration_number.'">';
+				print $object->national_registration_number;
+			}
+			print '</td></tr>';
+
 			// Login
 			print "<tr>".'<td><span class="fieldrequired">'.$langs->trans("Login").'</span></td>';
 			print '<td>';