diff --git a/client/core/src/textfield/index.mdl.html b/client/core/src/textfield/index.mdl.html
index f697c8790..aa48c6e47 100644
--- a/client/core/src/textfield/index.mdl.html
+++ b/client/core/src/textfield/index.mdl.html
@@ -5,6 +5,7 @@
 		name="*[name]*"
 		ng-model="*[model]*"
 		vn-validation="*[rule]*"
+		ng-disabled="*[disable]*"
 		*[enabled]*/>
 	<button type="button" class="mdl-chip__action" title="Clear text"> 
         <i class="material-icons">clear</i>
diff --git a/services/client/common/models/Client.js b/services/client/common/models/Client.js
index a4bd9a651..06e78bce7 100644
--- a/services/client/common/models/Client.js
+++ b/services/client/common/models/Client.js
@@ -22,6 +22,7 @@ module.exports = function(Client) {
         if(this.payMethod && !this.salesPerson) err();
     };
 
+    Client.validatesLengthOf('iban', {allowNull: true, min: 23, max: 23});
     // Hooks
 
     Client.observe('before save', function(ctx, next) {