(1)A local planning authority may enter into an agreement with any person interested in land in their area for the purpose of restricting or regulating the development or use of the land, either permanently or during such period as may be prescribed by the agreement; and any such agreement may contain such incidental and consequential provisions (including provisions of a financial character) as appear to the local planning authority to be necessary or expedient for the purposes of the agreement.
(2)An agreement made under this section with any person interested in land may be enforced by the local planning authority against persons deriving title under that person in respect of that land, as if the local planning authority were possessed of adjacent land and as if the agreement had been expressed to be made for the benefit of such land
(3)Nothing in this section or in any agreement made thereunder shall be construed—
(a)as restricting the exercise, in relation to land which is the subject of any such agreement, of any powers exercisable by any Minister or authority under this Act so long as those powers are exercised in accordance with the provisions of the development plan, or in accordance with any directions which may have been given by the Secretary of State as to the provisions to be included in such a plan ; or
(b)as requiring the exercise of any such powers otherwise than as mentioned in paragraph (a) of this subsection.
(4)The power of a local planning authority to make agreements under this section may be exercised also—
(a)in relation to land in a county district, by the council of that district;
(b)in relation to land in the area of a joint planning board, by the council of the county or county borough in which the land is situated,
and references in this section to a local planning authority shall be construed accordingly.