Town and Country Planning Act 1971

9 (1) The Greater London Council shall from time to time cause fresh surveys of Greater London to be carried out and, not less than once in every five years after the approval of the Greater London development plan by the Secretary of State (but subject to paragraph 1 of Schedule 7 to this Act), submit to the Secretary of State a report of any such surveys together with proposals for any alterations or additions to that plan which appear to that Council to be required having regard to those surveys.

(2) Without prejudice to the provisions of the foregoing sub-paragraph, the Greater London Council may (subject to paragraph 1 of the said Schedule 7) at any time, and shall at any time when so directed by the Secretary of State, submit to the Secretary of State proposals for such alterations or additions as appear to the Council to be expedient or as may be required by that direction—

(a) in the case of proposals made before the date of the Secretary of State's approval of the Greater London development plan, to the initial development plan referred to in paragraph 8(2) of this Schedule ; or

(b) in the case of proposals made after that date, to the Greater London development plan.

(3) After the Greater London development plan has become operative, the council of any London borough may (subject to paragraph 1 of the said Schedule 7) at any time, and shall at any time when so directed by the Secretary of State or, with the approval of the Secretary of State, by the Greater London Council, after carrying out on behalf of the Greater London Council such, if any, fresh survey of the borough as may appear to the borough council to be expedient or as may be required by that direction, submit to the Greater London Council proposals for such alterations or additions as may appear expedient or as may be so required—

(a) in the case of proposals made before the date of the Secretary of State's approval of their local development plan under paragraph 8(4) of this Schedule, to the initial development plan aforesaid as modified by the Greater London development plan ; or

(b) in the case of proposals made after that date, to that local development plan ;

and, without prejudice to paragraph 10(1) of this Schedule, the Greater London Council shall, within such time as the Secretary of State may allow, forward any such proposals to the Secretary of State together with any observations thereon by that Council.