10. Notice in writing of the registration of the judgment must be served on the judgment debtor within five days or such other time as the Court shall direct after the order for registration.Such notice shall (in the absence of an order by the Court as to mode of service thereof) be served on the judgment debtor by personal service (with power to order substituted service orservice out of the jurisdiction or both) as in the case of a writ of summons, but the Court may at any stage of the proceeding authorize or direct some other mode of service and if it does so the service shall be effected in accordance with such authority or direction.