s 4 Development plans
(1) The Department may at any time make a development plan for any area or alter, repeal or replace a development plan adopted by it for any area. (1A) A development plan for an area must be in general conformity with the regional development strategy. (2) A development plan for an area shall consist of— (a) a map and a written statement formulating, in such detail as the Department thinks appropriate, proposals for the development or other use of land in the area to which the plan relates; and (b) such diagrams, illustrations and descriptive matter as the Department thinks appropriate to explain or illustrate the proposals in the plan. (3) Where a development plan has not been adopted for an area, any provision of this Order which requires or authorises regard to be had to the development plan shall have effect in relation to that area as if any reference to the development plan were omitted.