; and other financial assistance including advances, payments and incentives (including the ability of owners to obtain reasonable returns on investment) required by the Secretary: Provided, That the Secretary shall, as part of the preservation and revitalization agreement, obtain a restrictive use agreement consistent with the terms of the restructuring. In addition, for the cost of direct loans, grants, and contracts, as authorized by sections 514 and 516 of the Housing Act of 1949 ( 42 U.S.C. 1484 , 1486), $18,703,000, to remain available until expended, for direct farm labor housing loans and domestic farm labor housing grants and contracts. In addition, for administrative expenses necessary to carry out the direct and guaranteed loan programs, $412,254,000 shall be paid to the appropriation for Rural Development, Salaries and Expenses . RENTAL ASSISTANCE PROGRAM 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, $1,608,000,000, and in addition such sums as may be necessary, as authorized by section 521(c) of the Act, to liquidate debt incurred prior to fiscal year 1992 to carry out the rental assistance program under section 521(a)(2) of the Act: Provided, That amounts made available under this heading shall be available for renewal of rental assistance agreements for a maximum of 15,000 units where the Secretary determines that a maturing loan for a project cannot reasonably be restructured with another USDA loan or modification and the project was operating with rental assistance under section 521 of the Housing Act of 1949: Provided further, That the Secretary may enter into rental assistance contracts in maturing properties with existing rental assistance agreements notwithstanding any provision of section 521 of the Housing Act of 1949, for a term of at least 10 years