29.—(1) An applicant may withdraw the application at any time by notice in writing delivered or sent to the office designated by the relevant authority as the office to which applications should be sent before the relevant authority has determined the application.
(2) Where the application was made by telephone in accordance with regulation 25, the withdrawal may be made by telephone to the telephone number specified by the relevant authority for the purpose of that regulation.
(3) Any notice of withdrawal given in accordance with paragraph (1) or (2) has effect when it is received by the relevant authority.