83Calculation of residual debt subsidy
(1)The amount of the residual debt subsidy (if any) payable to a local housing authority shall be calculated—
(a)in accordance with such formulae as the Secretary of State may from time to time determine; and
(b)by reference to such houses or other property as the Secretary of State may for the time being determine.
(2)A determination of the Secretary of State under this section may relate to disposals or other transactions which occur before the making of the determination.