12.48.—(1) This rule applies where a party to, or person affected by, any proceedings in an insolvency 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 the time of the proceedings.
(2) The applicant must serve a sealed copy of the application—
(a)in proceedings other than proceedings relating to a debt relief order—
(i)on the office-holder, and
(ii)in a winding up by the court or a bankruptcy, on the official receiver; or
(b)in proceedings relating to a debt relief order, on the official receiver.
(3) The office-holder and, where appropriate, the official receiver may appear on an application to which paragraph (2)(a) applies.
(4) The official receiver may appear on an application to which paragraph (2)(b) applies.
(5) 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.