Land within—
(a)a National Park;
(b)an area of outstanding natural beauty;
(c)an area designated by a local planning authority as a conservation area under powers conferred by section 277 of the Act(1);
(d)an area specified by the Secretary of State and the Minister of Agriculture, Fisheries and Food for the purposes of section 41(3) of the Wildlife and Countryside Act 1981(2) (enhancement and protection of the natural beauty and amenity of the countryside).
Inserted by section 1 of the Town and Country Planning Amenities Act 1974 (c. 32).