based on a finding under subparagraph (B), the head of the department or agency shall publish in the Federal Register a detailed written justification as to why the provision is being waived. (D) International agreements This section shall be applied in a manner consistent with United States obligations under international agreements. (3) Wage rate requirements Notwithstanding any other provision of law, all laborers and mechanics employed by contractors and subcontractors on projects funded directly by or assisted in whole or in part by the Climate Act Rebate Fund 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. With respect to the labor standards specified in this paragraph, the Secretary of Labor shall have the authority and functions set forth in Reorganization Plan Numbered 14 of 1950 (64 Stat. 1267