9.—(1) Where an application has been made under regulation 5, the relevant authority shall serve notice of its decision on the applicant.
(2) Any person who is aggrieved by a decision of a relevant authority notified to him under paragraph (1) may, within twenty-eight days of the service of the notice on him, apply to the relevant authority for a review by that authority of its decision.
(3) The relevant authority shall serve on that person a notice of the result of the review.