diff --git a/services/client/common/models/Address.json b/services/client/common/models/Address.json
index 8d4cb33272..69ab68a206 100644
--- a/services/client/common/models/Address.json
+++ b/services/client/common/models/Address.json
@@ -9,15 +9,15 @@
     },
     "street": {
       "type": "string",
-      "required": "true"
+      "required": true
     },
     "consignee": {
       "type": "string",
-      "required": "true"
+      "required": true
     },
     "city": {
       "type": "string",
-      "required": "true"
+      "required": true
     },
     "postcode": {
       "type": "string"
diff --git a/services/client/common/models/Agency.json b/services/client/common/models/Agency.json
index 33cd2944df..d44a9aff45 100644
--- a/services/client/common/models/Agency.json
+++ b/services/client/common/models/Agency.json
@@ -9,7 +9,7 @@
     },
     "name": {
       "type": "string",
-      "required": "true"
+      "required": true
     }
   }
 }
diff --git a/services/client/common/models/Client.js b/services/client/common/models/Client.js
new file mode 100644
index 0000000000..d927d8e1b8
--- /dev/null
+++ b/services/client/common/models/Client.js
@@ -0,0 +1,14 @@
+module.exports = function(Client) {
+
+    // prueba uno
+        // Client.validatesUniquenessOf('name', {message: 'el nombre debe ser unico'});
+
+    // prueba dos
+    Client.validate('name',hasCC,{message: 'Introducir cuenta bancaria'});
+
+    function hasCC(err) {
+    if (this.payMethod == 2) err();
+
+    }
+
+};
\ No newline at end of file
diff --git a/services/client/common/models/Client.json b/services/client/common/models/Client.json
index e76911c2f2..4fd27b5bd8 100644
--- a/services/client/common/models/Client.json
+++ b/services/client/common/models/Client.json
@@ -1,6 +1,7 @@
 {
   "name": "Client",
   "base": "PersistedModel",
+  "validateUpsert": true,
   "properties": {
     "id": {
       "type": "Number",
@@ -9,7 +10,7 @@
     },
     "name": {
       "type": "string",
-      "required": "true"
+      "required": true
     }, 
     "fi": {
       "type": "string",
diff --git a/services/client/common/models/Country.json b/services/client/common/models/Country.json
index 4643803457..8433f109b0 100644
--- a/services/client/common/models/Country.json
+++ b/services/client/common/models/Country.json
@@ -9,7 +9,7 @@
     },
     "name": {
       "type": "string",
-      "required": "true"
+      "required": true
     }
   }
 }
\ No newline at end of file
diff --git a/services/client/common/models/PaymentMethod.json b/services/client/common/models/PaymentMethod.json
index 8a7f82b85a..3cb5d5a294 100644
--- a/services/client/common/models/PaymentMethod.json
+++ b/services/client/common/models/PaymentMethod.json
@@ -9,7 +9,7 @@
     },
     "name": {
       "type": "string",
-      "required": "true"
+      "required": true
     }
   }
 }
diff --git a/services/client/common/models/Province.json b/services/client/common/models/Province.json
index 16738ef169..68c73d9d11 100644
--- a/services/client/common/models/Province.json
+++ b/services/client/common/models/Province.json
@@ -9,7 +9,7 @@
     },
     "name": {
       "type": "string",
-      "required": "true"
+      "required": true
     }
   }
 }
\ No newline at end of file
diff --git a/services/client/common/models/SalesPerson.json b/services/client/common/models/SalesPerson.json
index 07d998b12a..76d1aa58be 100644
--- a/services/client/common/models/SalesPerson.json
+++ b/services/client/common/models/SalesPerson.json
@@ -9,7 +9,7 @@
     },
     "name": {
       "type": "string",
-      "required": "true"
+      "required": true
     }
   }
 }
diff --git a/services/client/common/models/account.json b/services/client/common/models/account.json
index 98a2b86f47..8a18abc759 100644
--- a/services/client/common/models/account.json
+++ b/services/client/common/models/account.json
@@ -9,7 +9,7 @@
     },
     "name": {
       "type": "string",
-      "required": "true"
+      "required": true
     }, 
     "active": {
       "type": "boolean"