employed by any contractor or subcontractor in the construction of such equipment were paid wages at rates not less than those prevailing on similar construction in the locality as determined by the Secretary of Labor under subchapter IV of chapter 31 of title 40, United States Code (commonly referred to as the “Davis-Bacon Act”). , and (2) in subsection (c), by adding at the end the following new paragraph: (5) Qualified offshore wind property (A) In general The term qualified offshore wind property means an offshore facility, other than qualified small wind energy property, if— (i) such facility uses wind to produce electricity, (ii) such facility is located not farther than 50 miles from the boundary of an energy opportunity zone (as defined in section 1400Y–1), (iii) the construction of such facility was subject to a project labor agreement (as defined in section 1400Y–1), and (iv) all laborers and mechanics employed by any contractor or subcontractor in the construction of such facility were paid wages at rates not less than those prevailing on similar construction in the locality as determined by the Secretary of Labor under subchapter IV of chapter 31 of title 40, United States Code (commonly referred to as the “Davis-Bacon Act”). (B) Offshore facility The term offshore facility means any facility located in the inland navigable waters of the United States, including the Great Lakes, or in the coastal waters of the United States, including the territorial seas of the United States, the exclusive economic zone of the United States, and the outer Continental Shelf of the United States. . (b) Effective date The amendments made by this section shall apply to periods after the date of the enactment of this Act under rules similar to the rules of section 48(m) of the Internal Revenue Code of 1986 (as in effect on the day before the date of the enactment of the Revenue Reconciliation Act of 1990). 4. Improvements to credit for nonbusiness energy property (a) Extension of credit (1) In general Section 25C(g)(2)