Any power of the Secretary of State or the Welsh Ministers to make orders or regulations under this Part—
may be so exercised as to make different provision for different cases or descriptions of cases, including different provision for different areas; and
includes power to make such procedural, incidental, supplementary and transitional provision as may appear to the Secretary of State necessary or expedient.
Any power of the Secretary of State to make orders or regulations under this Part shall be exercisable by statutory instrument which (except in the case of regulations making only such provision as is mentioned in section 99(6)) shall be subject to annulment in pursuance of a resolution of either House of Parliament.
Any power of the Welsh Ministers to make regulations under this Part shall be exercisable by statutory instrument which (except in the case of regulations making only such provision as is mentioned in section 99(6)) shall be subject to annulment in pursuance of a resolution of the National Assembly for Wales.