(1)A power to make regulations under this Part is to be exercised by statutory instrument.
(2)A power to make regulations under this Part includes power—
(a)to make different provision for different purposes or cases;
(b)to make transitional or saving provision.
(3)A statutory instrument containing regulations under this Part may not be made unless a draft of the instrument has been laid before, and approved by a resolution of, the National Assembly for Wales.
(4)A statutory instrument containing regulations whose only substantive effect is to revoke regulations made under section 22(1) is not subject to the requirement in subsection (3), but must be laid before the National Assembly for Wales after being made.