of the Service, including the time frames for maturity of mortgages and costs for preserving the portfolio as affordable housing. (B) Reviewing current policies and procedures of the Rural Housing Service regarding preservation of affordable rental housing financed under sections 514, 515, 516, and 538 of the Housing Act of 1949 ( 42 U.S.C. 1484 , 1485, 1486, 1490p–2), the Multifamily Preservation and Revitalization Demonstration program (commonly known as the MPR ), and the Rural Rental Assistance program under section 521 of the Housing Act of 1949 ( 42 U.S.C. 1490a ) and making recommendations regarding improvements and modifications to such policies and procedures. (C) Providing ongoing review of Rural Housing Service program results. (D) Providing reports to Congress and the public on meetings, recommendations, and other findings of the advisory committee. II Revenue provisions 201. Tax-exempt bond financing requirement (a) In general Section 42(h)(4)(B) of the Internal Revenue Code of 1986 is amended to read as follows: (B) Special rule where a required percent of buildings is financed with tax-exempt bonds subject to volume cap For purposes of subparagraph (A), paragraph (1) shall not apply to any portion of the credit allowable under subsection (a) with respect to a building if— (i) 50 percent or more of the aggregate basis of any such building and the land on which the building is located is financed by any obligation described in subparagraph (A), or (ii) 25 percent or more of the aggregate basis of such building and the land on which the building is located is financed by any obligation which is described in subparagraph (A) and issued in calendar year 2024, 2025, 2026, 2027, or 2028. . (b) Effective date The amendment made by this section shall apply to any building some portion of which, or of the land on which the building is located, is financed by an obligation which is described in section 42(h)(4)(A) and which is part of an issue the issue date of which is after December 31, 2023. 202.