Except as herein modified, the provisions of the Longshore and Harbor Workers’ Compensation Act, approved March 4, 1927 (44 Stat. 1424), as amended [33 U.S.C. 901 et seq.], shall apply in respect to the injury or death of any employee engaged in any employment—

(1) at any military, air, or naval base acquired after January 1, 1940, by the United States from any foreign government; or

(2) upon any lands occupied or used by the United States for military or naval purposes in any Territory or possession outside the continental United States (including the United States Naval Operating Base, Guantanamo Bay, Cuba; and the Canal Zone); or

(3) upon any public work in any Territory or possession outside the continental United States (including the United States Naval Operating Base, Guantanamo Bay, Cuba; and the Canal Zone), if such employee is engaged in employment at such place under the contract of a contractor (or any subcontractor or subordinate subcontractor with respect to the contract of such contractor) with the United States; but nothing in this paragraph shall be construed to apply to any employee of such a contractor or subcontractor who is engaged exclusively in furnishing materials or supplies under his contract;

(4) under a contract entered into with the United States or any executive department, independent establishment, or agency thereof (including any corporate instrumentality of the United States), or any subcontract, or subordinate contract with respect to such contract, where such contract is to be performed outside the continental United States and at places not within the areas described in subparagraphs (1)–(3) of this subdivision, for the purpose of engaging in public work, and every such contract shall contain provisions requiring that the contractor (and subcontractor or subordinate contractor with respect to such contract) (1) shall, before commencing performance of such contract, provide for securing to or on behalf of employees engaged in such public work under such contract the payment of compensation and other benefits under the provisions of this chapter, and (2) shall maintain in full force and effect during the term of such contract, subcontract, or subordinate contract, or while employees are engaged in work performed thereunder, the said security for the payment of such compensation and benefits, but nothing in this paragraph shall be construed to apply to any employee of such contractor or subcontractor who is engaged exclusively in furnishing materials or supplies under his contract;

(5) under a contract approved and financed by the United States or any executive department, independent establishment, or agency thereof (including any corporate instrumentality of the United States), or any subcontract or subordinate contract with respect to such contract, where such contract is to be performed outside the continental United States, under the Mutual Security Act of 1954, as amended (other than title II of chapter II thereof unless the Secretary of Labor, upon the recommendation of the head of any department or other agency of the United States, determines a contract financed under a successor provision of any successor Act should be covered by this section), and not otherwise within the coverage of this section, and every such contract shall contain provisions requiring that the contractor (and subcontractor or subordinate contractor with respect to such contract) (A) shall, before commencing performance of such contract, provide for securing to or on behalf of employees engaged in work under such contract the payment of compensation and other benefits under the provisions of this chapter, and (B) shall maintain in full force and effect during the term of such contract, subcontract, or subordinate contract, or while employees are engaged in work performed thereunder, the said security for the payment of such compensation and benefits, but nothing in this paragraph shall be construed to apply to any employee of such contractor or subcontractor who is engaged exclusively in furnishing materials or supplies under his contract;

(6) outside the continental United States by an American employer providing welfare or similar services for the benefit of the Armed Forces pursuant to appropriate authorization by the Secretary of Defense,

As used in this section—

(1) the term “public work” means any fixed improvement or any project, whether or not fixed, involving construction, alteration, removal or repair for the public use of the United States or its allies, including but not limited to projects or operations under service contracts and projects in connection with the national defense or with war activities, dredging, harbor improvements, dams, roadways, and housing, as well as preparatory and ancillary work in connection therewith at the site or on the project;

(2) the term “allies” means any nation with which the United States is engaged in a common military effort or with which the United States has entered into a common defensive military alliance;

(3) the term “war activities” includes activities directly relating to military operations;

(4) the term “continental United States” means the States and the District of Columbia.

The liability of an employer, contractor (or any subcontractor or subordinate subcontractor with respect to the contract of such contractor) under this chapter shall be exclusive and in place of all other liability of such employer, contractor, subcontractor, or subordinate contractor to his employees (and their dependents) coming within the purview of this chapter, under the workmen’s compensation law of any State, Territory, or other jurisdiction, irrespective of the place where the contract of hire of any such employee may have been made or entered into.

As used in this section, the term “contractor” means any individual, partnership, corporation, or association, and includes any trustee, receiver, assignee, successor, or personal representative thereof, and the rights, obligations, liability, and duties of the employer under such Longshore and Harbor Workers’ Compensation Act [33 U.S.C. 901 et seq.] shall be applicable to such contractor.

The liability under this chapter of a contractor, subcontractor, or subordinate contractor engaged in public work under subparagraphs (3) and (4), subdivision (a) of this section, and the conditions set forth therein, shall become applicable to contracts and subcontracts heretofore entered into but not completed at August 16, 1941, and the liability under this chapter of a contractor, subcontractor, or subordinate contractor engaged in performance of contracts, subcontracts, or subordinate contracts specified in subparagraph (5), subdivision (a) of this section, and the conditions set forth therein, shall hereafter be applicable to the remaining terms of such contracts, subcontracts, and subordinate contracts entered into prior to but not completed on the date of enactment of any successor Act to the Mutual Security Act of 1954, as amended, and contracting officers of the United States are authorized to make such modifications and amendments of existing contracts as may be necessary to bring such contracts into conformity with the provisions of this chapter. No right shall arise in any employee or his dependent under subparagraphs (3) and (4) of subdivision (a) of this section, prior to two months after the approval of this chapter. Upon the recommendation of the head of any department or other agency of the United States, the Secretary of Labor, in the exercise of his discretion, may waive the application of this section with respect to any contract, subcontract, contract, or subordinate contract, work location under such contracts, or classification of employees. Upon recommendation of any employer referred to in paragraph (6) of subsection (a) of this section, the Secretary of Labor may waive the application of this section to any employee or class of employees of such employer, or to any place of employment of such an employee or class of employees.

The liability under this chapter of a contractor, subcontractor, or subordinate contractor engaged in public work under paragraphs (1), (2), (3), and (4) of subsection (a) of this section or in any work under paragraph (5) of subsection (a) of this section does not apply with respect to any person who is a prisoner of war or a protected person under the Geneva Conventions of 1949 and who is detained or utilized by the United States.

(Aug. 16, 1941, ch. 357, § 1, 55 Stat. 622; Dec. 2, 1942, ch. 668, title III, § 301, 56 Stat. 1035; 1946 Proc. No. 2695, eff. July 4, 1946, 11 F.R. 7871, 60 Stat. 1352; June 30, 1953, ch. 176, § 4, 67 Stat. 135; Pub. L. 85–477, ch. V, § 502(a), June 30, 1958, 72 Stat. 272; Pub. L. 85–608, title II, § 201, Aug. 8, 1958, 72 Stat. 537; Pub. L. 86–70, § 40, June 25, 1959, 73 Stat. 150; Pub. L. 86–108, ch. VII, § 701(a), July 24, 1959, 73 Stat. 257; Pub. L. 87–195, pt. IV, § 701, Sept. 4, 1961, 75 Stat. 463; Pub. L. 98–426, § 27(d)(2), Sept. 28, 1984, 98 Stat. 1654.)