Sch 4A para 2
(1) The local planning authority may at any time prepare a revision of a local development order. (2) An authority in England must prepare a revision of a local development order— (a) if the Secretary of State directs them to do so, and (b) in accordance with such timetable as he directs. (3) An authority in Wales must prepare a revision of a local development order— (a) if the National Assembly for Wales directs them to do so, and (b) in accordance with such timetable as it directs. (4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (5) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (6) This Schedule applies to the revision of a local development order as it applies to the preparation of the order.