In section 137 of the Local Government Act 1972 (c. 70) (which enables local authorities to incur expenditure for certain purposes not otherwise authorised), in subsection (4)(a) (which makes provision in connection with the calculation of the maximum amount of such expenditure in any financial year), for "subsection (4AA) below" there is substituted ." Schedule 12B to this Act "
After Schedule 12A to that Act there is inserted—