diff --git a/modules/supplier/back/models/supplier.js b/modules/supplier/back/models/supplier.js
index fbe74286a..5cf357c13 100644
--- a/modules/supplier/back/models/supplier.js
+++ b/modules/supplier/back/models/supplier.js
@@ -17,13 +17,17 @@ module.exports = Self => {
         message: 'The social name cannot be empty'
     });
 
-    Self.validatesPresenceOf('city', {
-        message: 'City cannot be empty'
-    });
+    if (this.city) {
+        Self.validatesPresenceOf('city', {
+            message: 'City cannot be empty'
+        });
+    }
 
-    Self.validatesPresenceOf('nif', {
-        message: 'The nif cannot be empty'
-    });
+    if (this.nif) {
+        Self.validatesPresenceOf('nif', {
+            message: 'The nif cannot be empty'
+        });
+    }
 
     Self.validatesUniquenessOf('nif', {
         message: 'TIN must be unique'