In section 78 (interpretation of Part 6), for subsection (3) substitute—

“(3)

But—

(a)

a National Park authority is the local planning authority for the whole of its area;

(b)

a joint planning board is the local planning authority for the whole of its united district (and references to the area of a local planning authority are, in relation to such a board, to be construed as references to its united district).”

In section 62 (local development plan), in subsection (7) (relevant local well-being plan), after paragraph (b) insert—

“(c)

in the case of an authority which is a joint planning board, the public services board for an area that includes any part of that authority's united district.”