31.—(1) Where a legal aid (preliminary proceedings) certificate or a legal aid (court-martial) certificate has been granted in respect of a person, the Court shall not have jurisdiction under section 18 of this Act to award costs to the person in respect of proceedings in relation to which the certificate applies.

(2) Where F44[a legal aid (court-martial appeal) certificate] has been granted in respect of a person, the Court shall not have jurisdiction under section 18 of this Act to award costs to the person in respect of court proceedings in relation to which the certificate applies.