2(1)Where, in accordance with the provisions of paragraph 1 of this Schedule, sub-paragraph (4)(a) and (b) of that paragraph have effect in relation to planning permission granted for carrying out development on land within the metropolitan region, and an office development permit in respect of that development is issued under these provisions, the said sub-paragraph (4)(a) and (b) shall thereupon cease to have effect in relation to that planning permission.
(2)Where planning permission for carrying out development on land within the metropolitan region having been granted before 5th August 1965, an office development permit in respect of that development is issued in the circumstances specified in sub-paragraph (1) of this paragraph and conditions are attached to that permit, the planning permission shall be deemed to have been granted subject to the conditions attached to the office development permit, or (if any other conditions were imposed by the authority granting the permission) to have been granted subject to the conditions attached to the permit in addition to the other conditions.
(3)Section 82 of this Act shall have effect as if in subsection (5) the reference to sections 77 to 81 of this Act included a reference to this paragraph.