Written observations in reply
15.—(1) Any party may submit to a Commissioner written observations in reply within one month of being sent written observations under regulation 14.
(2) The office shall send a copy of any written observations in reply to every other party.
(3) Where—
(a)written observations have been received under regulation 14; and
(b)each of the principal parties expresses the view that the decision appealed against was erroneous in point of law;
a Commissioner may make an order under section 14(7) of the 1998 Act setting aside the decision and may dispense with the procedure in paragraphs (1) and (2).