s 74 Publication, commencement, amendment and revocation.
(1) If the CAA makes specifications or stipulations under section 73— (a) it must publish a notice containing them; (b) they become effective as provided in the published notice. (2) The CAA may amend or revoke any specifications or stipulations published under this section, and— (a) it must publish a notice containing any amendment or revocation; (b) the amendment or revocation becomes effective as provided in the published notice. (3) An amendment or revocation does not affect any liability incurred before the amendment or revocation becomes effective. (4) Publication under this section must be made— (a) in the London Gazette, the Edinburgh Gazette and the Belfast Gazette, or (b) in such other manner as the Secretary of State may provide by order.