(1) The court may dispense with service of a court process in exceptional circumstances.
(2) An application for an order to dispense with service may be made at any time and —
(a) must be supported by evidence on affidavit; and
(b) may be made without notice.
(3) Where the court makes an order under this rule, and the defendant has not already filed a defence to the claim or challenged the jurisdiction of the court, it must at the same time specify the date by which the defendant is required to file an acknowledgment of service and a defence to the claim.