Yn adran 78 (dehongli Rhan 6), yn lle is-adran (3) rhodder—

“(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).”

Yn adran 62 (cynllun datblygu lleol), yn is-adran (7) (cynllun llesiant lleol perthnasol), ar ôl paragraff (b) mewnosoder—

“(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.”