; and (B) improving the percentage of businesses choosing to participate in prevailing wage determination surveys and ensuring proportional representation of businesses represented by labor organizations and businesses not represented by labor organizations in the prevailing wage determination surveys that are completed. . 3. Multiple wage rate determinations Section 3142 of title 40, United States Code, as amended by section 2, is further amended by adding at the end the following: (g) Federal Housing Acts A determination of prevailing wages by the Secretary of Labor applicable under section 212(a) of the National Housing Act ( 12 U.S.C. 1715c(a) ), section 104(b)(1) of the Native American Housing Assistance and Self-Determination Act of 1996 ( 25 U.S.C. 4114(b)(1) ), section 12(a) of the United States Housing Act of 1937 ( 42 U.S.C. 1437j(a) ), or section 811(j)(5) of the Cranston-Gonzalez National Affordable Housing Act ( 42 U.S.C. 8013(j)(5) ) shall be limited to 1 wage rate determination under subsection (b) of this section that corresponds to the overall residential character of the project. . 4. Davis-Bacon Modernization Working Group (a) Definition In this section, the term Davis-Bacon Modernization Working Group means the working group established under subsection (b)(1). (b) Establishment (1) In general Not later than 60 days after the date of enactment of this Act, the Secretary of Labor, in consultation with the Secretary of Housing and Urban Development, shall establish within the Department of Labor, a Davis-Bacon Modernization Working Group to recommend the update and modernization of certain requirements under subchapter IV of chapter 31 of title 40, United States Code, as described in subsection (c). (2) Date of establishment The Davis-Bacon Modernization Working Group shall be considered established on the date on which a majority of the members of the Davis-Bacon Modernization Working Group have been appointed, consistent with subsection (d). (c) Duties The Davis-Bacon Modernization Working