; and (8) the Secretary shall separately track all special purpose vouchers funded under this heading. HOUSING CERTIFICATE FUND (INCLUDING RESCISSIONS) Unobligated balances, including recaptures and carryover, remaining from funds appropriated to the Department of Housing and Urban Development under this heading, the heading Annual Contributions for Assisted Housing and the heading Project-Based Rental Assistance , for fiscal year 2024 and prior years may be used for renewal of or amendments to section 8 project-based contracts and for performance-based contract administrators, notwithstanding the purposes for which such funds were appropriated: Provided, That any obligated balances of contract authority from fiscal year 1974 and prior fiscal years that have been terminated shall be rescinded: Provided further, That amounts heretofore recaptured, or recaptured during the current fiscal year, from section 8 project-based contracts from source years fiscal year 1975 through fiscal year 1987 are hereby rescinded, and an amount of additional new budget authority, equivalent to the amount rescinded is hereby appropriated, to remain available until expended, for the purposes set forth under this heading, in addition to amounts otherwise available. PUBLIC HOUSING FUND For 2024 payments to public housing agencies for the operation and management of public housing, as authorized by section 9(e) of the United States Housing Act of 1937 ( 42 U.S.C. 1437g(e) ) (the Act ), and to carry out capital and management activities for public housing agencies, as authorized under section 9(d) of the Act ( 42 U.S.C. 1437g(d) ), $8,810,784,000, to remain available until September 30, 2027: Provided, That of the sums appropriated under this heading— (1) $5,475,784,000 shall be available for the Secretary to allocate pursuant to the Operating Fund formula at part 990 of title 24, Code of Federal Regulations, for 2024 payments