15.—(1) The appeal body may alter the place or time of the hearing in such circumstances as it considers appropriate, provided that the altered date of the hearing is not earlier than the original date.
(2) Where the appeal body alters the place or time of the hearing the proper officer shall without delay and in any event not later than the end of the period of three working days beginning with the date on which the alteration was made send a notice to the appellant and the appropriate body informing them of the alteration.