['zip', 'exist', 'targetClass' => ZipKz::className(), 'targetAttribute' => 'zip_new', 'when' => function($model){
return $model->geo == 'KZ';
}],
['zip', 'exists', 'targetClass' => ZipKz::className(), 'targetAttribute' => ['zip_old', 'zip_new'], 'when' => function($model){
return $model->geo == 'KZ';
}],