Paragraph 12

The Secretary of State may by order vary any of the amounts specified in paragraph 2, 3(a) or (b), 6 or 7(1)(a), (b) or (c) above.

The power to make an order under this paragraph shall be exercisable by statutory instrument and includes power to vary or revoke a previous order.

Any statutory instrument containing an order made under this paragraph shall be subject to annulment in pursuance of a resolution of either House of Parliament.