12(1)A local planning authority may at any time make proposals for the alteration, repeal or replacement of a relevant local plan and may at any time, with the consent of the Secretary of State, make proposals for the alteration, repeal or replacement of a local plan approved by him.
(2)Without prejudice to sub-paragraph (1), a local planning authority shall, if the Secretary of State gives them a direction in that behalf with respect to a relevant local plan or a local plan approved by him, as soon as practicable prepare proposals of a kind specified in the direction, being proposals for the alteration, repeal or replacement of the plan.
(3)In sub-paragraphs (1) and (2) “relevant local plan” means a local plan adopted by the authority or adopted by the Greater London Council and in force in respect of the area of the authority on 1st April 1986.
(4)The provisions of paragraphs 7(4) and (5), 8, 9 and 10 shall apply in relation to the making of proposals for the alteration, repeal or replacement of a local plan under this paragraph and to alterations to a local plan so proposed, as they apply in relation to the preparation of a local plan under this Schedule and to a local plan prepared under it.