; 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 further , That the Secretary shall as part of the preservation and revitalization agreement obtain a restrictive use agreement consistent with the terms of the restructuring: Provided further , That if the Secretary determines that additional funds for vouchers described in this paragraph are needed, funds for the preservation and revitalization demonstration program may be used for such vouchers: Provided further , That if Congress enacts legislation to permanently authorize a multi-family rental housing loan restructuring program similar to the demonstration program described herein, the Secretary may use funds made available for the demonstration program under this heading to carry out such legislation with the prior approval of the Committees on Appropriations of both Houses of Congress: Provided further , That in addition to any other available funds, the Secretary may expend not more than $1,000,000 total, from the program funds made available under this heading, for administrative expenses for activities funded under this heading. Mutual and self-help housing grants For grants and contracts pursuant to section 523(b)(1)(A) of the Housing Act of 1949 ( 42 U.S.C. 1490c ), $30,000,000, to remain available until expended. Rural housing assistance grants For grants for very low-income housing repair and rural housing preservation made by the Rural Housing Service, as authorized by 42 U.S.C. 1474 , and 1490m, $40,000,000, to remain available until expended. Rural community facilities program account (including transfers of funds) For gross obligations for the principal amount of direct and guaranteed loans as authorized by section 306 and described in section 381E(d)(1) of the Consolidated Farm and Rural Development Act, $3,000,000,000 for direct loans and $148,287,000 for guaranteed loans. For the cost of guaranteed loans,