25.—(1) The determination of a Commissioner on an application for leave to appeal shall be in writing and signed by him.
(2) The decision of a Commissioner on an appeal shall be in writing and signed by him and, unless it was a decision made with the consent of the parties or an order setting aside a tribunal’s decision under section 14(7) of the 1998 Act, he shall include the reasons.
(3) The office shall send a copy of the determination or decision and any reasons to each party.
(4) Without prejudice to paragraphs (2) and (3), a Commissioner may announce his determination or decision at the end of a hearing.