4.34.—(1) This rule applies where a party to, or a person affected by, housing administration proceedings applies to the court for an order allowing their costs, or part of them, of or incidental to the proceedings, and that application is not made at that time of the proceedings.
(2) The applicant must serve a sealed copy of the application on the housing administrator.
(3) The housing administrator may appear on any such application.
(4) No costs of or incidental to the application are to be allowed to the applicant unless the court is satisfied that the application could not have been made at the time of the proceedings.