9(1)Where the Secretary of State is satisfied that—
(a)a mistake has occurred in the preparation of an order under section 2(4) of this Act, and
(b)the mistake is such that it cannot be rectified by a subsequent order made under that provision by virtue of section 14 of the [1978 c. 30.] Interpretation Act 1978 (implied power to amend),
he may by order under this sub-paragraph make such provision as he thinks necessary or expedient for rectifying the mistake.
(2)In this paragraph “mistake”, in relation to an order, includes a provision contained in or omitted from the order in reliance on inaccurate or incomplete information.