6. After section 1(6)(2) insert—
“(7) The Secretary of State may by order replace the amount referred to in subsection (1)(a)(ii) above and the number in the definition of “I” in that subsection by such amount or number as is specified in the order; and such an order shall be made by statutory instrument which shall be subject to annulment in pursuance of a resolution of either House of Parliament.”.
Section 1 (6) was inserted by section 118(1) of the Housing Act 1974.