(1)The Secretary of State may by statutory instrument make regulations with respect to England and Scotland for the purpose of carrying out the provisions of this Chapter.
(2)The Welsh Ministers may by statutory instrument make regulations with respect to Wales for the purpose of carrying out the provisions of this Chapter.
(3)The Department for Social Development may make regulations with respect to Northern Ireland for the purpose of carrying out the provisions of this Chapter.
(4)Regulations made under subsection (3) are a statutory rule for the purposes of the Statutory Rules (Northern Ireland) Order 1979 (S.I. 1979/1573 (N.I. 12)).
(5)If any regulations under this section prescribe requirements for the purposes of section 645(5) or conditions for the purposes of section 645(6)—
(a)any requirements or conditions previously prescribed under section 645(5) or (6) are to cease to have effect when the regulations come into force, and
(b)no further exercise may be made of the power under section 645(5) or (6) to prescribe requirements or conditions otherwise than by regulations.
(6)The reference in section 647(3)(c) to conditions that were in force by virtue of section 645(6) includes conditions prescribed for the purposes of section 645(6) under subsection (5) above.