(1)Any power of the Secretary of State to make orders under Part I or II shall be exercised by statutory instrument which shall be subject to annulment in pursuance of a resolution of either House of Parliament.
(2)Orders under Part I or II may make different provision for different cases, circumstances or areas and may contain such incidental, supplementary or transitional provisions as the Secretary of State thinks fit.
(3)Any power conferred by Part I to give directions includes power, exercisable in the same manner and subject to the same conditions or limitations, to revoke or vary directions previously given.