42 U.S.C. § 1703 : The Public Health And Welfare — Compensation For Injury, Death, Or Detention Of Employees Of Contractors With United States Outside United States — Compensation, Reimbursement, Etc., By Secretary Of Labor — “Contractor With The United States” Defined
As used in this subchapter, the term “contractor with the United States” includes any subcontractor or subordinate subcontractor with respect to the contract of such contractor.
(Dec. 2, 1942, ch. 668, title I, § 103, 56 Stat. 1031.)