4.—(1) Subject to paragraph (2), a local authority must allow A 15 working days, or such longer time limit as it thinks reasonable, to provide the information and documents described in regulation 3(f).
(2) If A makes a reasonable request for an extension of the time limit specified in paragraph (1), giving reasons why the extension is required, a local authority must agree to the request and advise A of the period of the extension.
(3) If a local authority refuses a request for an extension of the time limit, it must inform A of its refusal and it must give reasons for its refusal.