Setting the rates by reference to which contributions are to be calculated

5.—(1) The CAA must from time to time, after complying with the prescribed consultation requirements and with the approval of the Secretary of State, determine and publish—

(a) the rate of contribution for the purposes of each of regulations 7 and 8; and

(b) the date on which that rate comes into force.

(2) The date on which a rate of contribution comes into force must not be earlier than the expiration of a period of four weeks beginning with the date of publication.