Every local planning authority shall consider, as soon as practicable after 2nd November 1987, the question for which part or parts of their area a simplified planning zone scheme is desirable, and then shall keep that question under review.
If as a result of their original consideration or of any such review a local planning authority decide that it is desirable to prepare a scheme for any part of their area they shall do so; and a local planning authority may at any time decide—
Schedule 7 has effect with respect to the making and alteration of simplified planning zone schemes and other related matters.
A simplified planning zone scheme for an area in Wales must be in general conformity with—
In this section and in Schedule 7 references to a regional strategy are to a regional strategy under Part 5 of the Local Democracy, Economic Development and Construction Act 2009