Until a unitary development plan becomes fully operative for the area of any local planning authority in Wales—
Part IA of Schedule 2, and
Part III of Schedule 5 to the Local Government (Wales) Act 1994 (transitional provisions in relation to structure and local plans),
shall apply in relation to that area.
For the purposes of this Chapter, a unitary development plan for the area of a local planning authority in Wales has become fully operative when—
it has become operative under this Chapter; or
where different parts have become operative at different times, when all parts of it have become so operative.