; and (2) by adding at the end the following new subparagraph: (F) Use of small area fair market rents Effective for fiscal year 2024 and each fiscal year thereafter, the area fair market rents used for purposes of subparagraph (B) shall be stablished by the Secretary for ZIP Code areas. . (h) Project-Basing (1) In general Notwithstanding subparagraph (A) of paragraph (13) of section 8(o) of the United States Housing Act of 1937 ( 42 U.S.C. 1437f(o)(13)(A) ), a public housing agency administering assistance under this section may enter into agreements to attach such assistance to a project in accordance with such paragraph, except that— (A) a qualified family residing in a dwelling unit so assisted may at any time opt to use such assistance on a tenant-based basis for a different dwelling unit and, upon such a move, the public housing agency shall provide the qualified family with tenant-based rental assistance under this section