N.J. Stat. § 55:19-38
Any builder, contractor or subcontractor engaged upon a project within the meaning of P.L. 1996, c. 62(C.55:19-20 et al.), and any person, firm or authority managing or operating such a project, including the authority and its subsidiaries, shall pay the workmen employed in the construction, reconstruction, demolition, or rehabilitation thereof not less than the prevailing wage rate. The prevailing wage rate shall be determined by the Commissioner of Labor in all cases, except that the prevailing wage rate shall be determined by the Secretary of the United States Department of Labor in accordance with the Davis-Bacon Act as amended (40 U.S.C. 276a to 276a-5), when the loan or other assistance given by the authority in connection with the work, or the funds of the authority or subsidiary thereof expended for the work, are the subject of direct or indirect federal assistance other than federal tax exemption of the interest paid on obligations of the authority or a subsidiary thereof.
N.J.S. § 55:19-38