The following provisions of this Act—
sections 12, 13, 31, 38, 42(4) to (6) and 43(3), except so far as they enable regulations to be made,
sections 20, 33, 42(1) to (3), 43(1) and (2), 44 and 45,
section 133(2) and Schedule 7 so far as they relate to . . . the Atomic Energy Authority Act 1954, and
section 50(2) and (3) and paragraph 9 of Schedule 1,
come into force on such day as the Secretary of State may by order appoint.
Except so far as relating to the provisions listed in subsection (1B), the reference in subsection (1) to the Secretary of State is to be read, in relation to Wales, as a reference to the Welsh Ministers.
The provisions mentioned in subsection (1A) are sections 38, 44, 45 and 133(2) and Schedule 7.
Subject to—
subsection (1) above, and
sections . . . 42(7) above,
this Act comes into force on 1st December 1984.