s 18 Right to make representations.
(1) A notice under section 17 shall state that within 28 days of service of the notice any person on whom it is served may make written representations to the registration authority concerning any matter which that person wishes to dispute. (2) Where a notice has been served under section 17, the registration authority shall not determine any matter to which the notice relates until either— (a) any person on whom the notice was served has made written representations to it concerning the matter; (b) any such person has notified the registration authority in writing that he does not intend to make representations; or (c) the period during which any such person could have made representations has elapsed.