all balances, including obligated balances, available for all demonstration programs for the preservation and revitalization of section 514, 515, and 516 multi-family rental housing properties in the Multi-Family Housing Revitalization Program Account shall be transferred to and merged with this account and shall be for the preservation and revitalization of section 514, 515, and 516 multi-family rental housing properties, including the restructuring of existing USDA multi-family housing loans: Provided further , That following the transfer of balances described in the preceding proviso, any adjustments to obligations for the demonstration programs for the preservation and revitalization of section 514, 515, and 516 multi-family housing rental housing properties incurred in the Multi-Family Housing Revitalization Program Account shall be made in this account. In addition, for administrative expenses necessary to carry out the direct and guaranteed loan programs, $412,254,000 shall be transferred to and merged with the appropriation for Rural Development, Salaries and Expenses . Rental assistance program (including transfers of funds) For rental assistance agreements entered into or renewed pursuant to the authority under section 521(a)(2) of the Housing Act of 1949 or agreements entered into in lieu of debt forgiveness or payments for eligible households as authorized by section 502(c)(5)(D) of the Housing Act of 1949, $1,450,000,000, of which $40,000,000 shall be available until September 30, 2022