Any power of the Secretary of State to make an order or regulations under this Act shall be exercisable by statutory instrument and may be exercised so as to make different provision for different cases, including different provision for different areas.
A statutory instrument containing—
an order made under section 1(5), 25(6)... or 55, or
any regulations made ... under section 20(4) or 35(2)(g) or 42Aor 49A,
shall be subject to annulment in pursuance of a resolution of either House of Parliament.
This section does not apply to any power to make regulations under section 42A.