11(1)The Secretary of State may make regulations for prescribing the form of—
(a)any document required or authorised by or under this Part of this Act to be given to or served on the Authority, and
(b)any document authorised or required by or under this Part of this Act to be given, served, made or issued by the Authority.
(2)Any power—
(a)to make orders under any provision of this Part of this Act other than paragraph 12(4) and 14(5) of Schedule 20, and
(b)to make regulations under any provision of this Part of this Act,
shall be exercisable by statutory instrument.
(3)Any regulation or order under this Part of this Act—
(a)may make different provision for different areas or other different cases;
(b)may include transitional and other supplemental and incidental provisions.