13.—(1) An applicant may appeal against a refusal by the Joint Committee to issue to him a certificate of prescribed experience or a certificate of equivalent experience by sending a notice of appeal to the Secretary of State within the period of 28 days beginning with the day on which the decision of the Joint Committee is given to him, or (subject to paragraph (2)) such longer period as the Secretary of State may allow.
(2) The Secretary of State may allow a longer period only where he is satisfied that there was reasonable cause for failing to send the notice of appeal within the period of 28 days referred to in paragraph (1).
(3) A notice of appeal shall contain a concise statement of the facts and contentions on which the applicant intends to rely.