4.—(1) The Secretary of State must, by notice in writing, require from Social Work England such information as the Secretary of State considers necessary for the purpose of determining a periodic fee.
(2) A notice given under paragraph (1) must specify the time by which any information requested in that notice is to be provided to the Secretary of State.
(3) The Secretary of State may, in writing, extend the time specified in a notice to such later date as the Secretary of State considers reasonable.