; (B) the iron, steel, and manufactured goods needed for the project are not produced in the United States— (i) in sufficient and reasonably available quantities; and (ii) in a satisfactory quality; or (C) the inclusion of iron, steel, and relevant manufactured goods produced in the United States would increase the overall cost of the project by more than 25 percent. (3) Waiver publication If the head of a Federal department or agency makes a determination under paragraph (2) to waive the requirement under paragraph (1), the head of the Federal department or agency shall publish in the Federal Register a detailed justification for the waiver. (4) International agreements This subsection shall be applied in a manner consistent with the obligations of the United States under all applicable international agreements. (f) Wage rate requirements (1) In general Notwithstanding any other provision of law, all laborers and mechanics employed by contractors and subcontractors on projects funded directly or assisted in whole or in part by the Federal Government pursuant to this section shall be paid wages at rates not less than those prevailing on projects of a similar character in the locality, as determined by the Secretary of Labor in accordance with subchapter IV of chapter 31 of title 40, United States Code (commonly known as the Davis-Bacon Act ). (2) Authority With respect to the labor standards specified in paragraph (1), the Secretary of Labor shall have the authority and functions set forth in Reorganization Plan Numbered 14 of 1950 (64 Stat. 1267; 5 U.S.C. App.) and section 3145 of title 40, United States Code. 40503. Personnel (a) In general To carry out section 40502, the Secretary shall hire within the Department of Energy— (1) not less than 300 full-time employees in the Office of Energy Efficiency and Renewable Energy; (2) not less than 100 full-time employees, to be distributed among— (A) the Office of General Counsel; (B) the Office of Procurement Policy; (C) the Golden Field Office