3Subject to the following provisions of this Schedule, where by virtue of paragraph 2 of this Schedule the old development plan for any area is treated as being comprised in a development plan for that area and there is a conflict between any of its provisions and those of the structure plan for that area, the provisions of the structure plan shall be taken to prevail for the purposes of Parts III, IV, V, VI, VII and IX of this Act and Schedule 10 to this Act.