National Parks and Access to the Countryside Act 1949

66 Effect of access agreement or order on rights and liabilities of owners

(1) A person interested in any land comprised in an access agreement or order, not being excepted land, shall not carry out any work thereon whereby the area to which the public are able to have access by virtue of the agreement or order is substantially reduced:

Provided that nothing in this subsection shall affect the doing of anything whereby any land becomes excepted land.

(2) The operation of subsection (1) of section sixty of this Act in relation to any land shall not increase the liability, under any enactment not contained in this Act or under any rule of law, of a person interested in that land or adjoining land in respect of the state thereof or of things done or omitted thereon.

(3) Any restriction arising under a covenant or otherwise as to the use of any land comprised in an access agreement or order shall have effect subject to the provisions of this Part of this Act, and any liability of a person interested in such land in respect of such a restriction shall be limited accordingly.

(4) For the purposes of any enactment or rule of law as to the circumstances in which the dedication of a highway or the grant of an easement may be presumed, or may be established by prescription, the use by the public or by any person of a way across land at any time while it is comprised in an access agreement or order shall be disregarded.