s 23A Regulations under this Part
(1) Regulations under this Part may extend throughout Scotland or to specified areas only and may make different provision for different cases. (2) Subject to the previous provisions of this Part and to any such regulations, the Scottish Ministers may give directions to any planning authority ... , or to planning authorities ... generally for— (a) formulating the procedure for the carrying out of functions under this Part, or (b) requiring them to give the Scottish Ministers such information as the Scottish Ministers may require for carrying out functions under this Part.