FAR 52.247-64 — Preference for Privately Owned U.S.-Flag Commercial Vessels

Contract clause · dated Nov 2021 · prescribed in FAR 47.507(a) · current through FAC 2026-01

In plain English

FAR 52.247-64, Preference for Privately Owned U.S.-Flag Commercial Vessels, is a contract clause prescribed at FAR 47.507(a), most recently dated Nov 2021. The complete official text is reproduced below, verbatim, from GSA's published FAR source files.

Its own text directs the contractor to include it in certain subcontracts, subject to the conditions quoted in the flowdown section below.

Does it flow down to subcontracts?

Flows down conditionally — mandate with stated conditions

“(d) The Contractor shall insert the substance of this clause, including this paragraph (d), in all subcontracts or purchase orders under this contract, except those described in paragraph (e)(4).”— FAR 52.247-64, paragraph (d), official text

Required in subcontracts by OTHER clauses

These clauses direct that FAR 52.247-64 be included in certain subcontracts:

“(e) (1) Notwithstanding the requirements of the clauses in paragraphs (a), (b), (c), and (d) of this clause, the Contractor is not required to flow down any FAR clause, other than those in this paragraph (e)(1), in a subcontract for commercial products or commercial services. … (xxvii) 52.247-64, Preference for Privately Owned U.S.-Flag Commercial Vessels (Nov 2021) (46 U.S.C. 55305 and 10 U.S.C. 2631).”FAR 52.212-5, Contract Terms and Conditions Required To Implement Statutes or Executive Orders—Commercial Products and Commercial Services
“(c) (1) The Contractor shall insert the following clauses in subcontracts for commercial products or commercial services: (i) 52.203-13, Contractor Code of Business Ethics and Conduct (Nov 2021) (41 U.S.C. 3509), if the subcontract exceeds the threshold specified in FAR 3.1004(a) on the date of subcontract award, and … … (xxiv) 52.247-64, Preference for Privately Owned U.S.-Flag Commercial Vessels (Nov 2021) (46 U.S.C. 55305 and 10 U.S.C.2631), if flow down is required in accordance with paragraph (d) of FAR clause 52.247-64.”FAR 52.244-6, Subcontracts for Commercial Products and Commercial Services

Where it's prescribed

As prescribed in 47.507(a), insert the following clause:

Prescribing reference: FAR 47.507(a).

The official text, verbatim

FAR 52.247-64 · Nov 2021 current through FAC 2026-01 acquisition.gov eCFR (48 CFR)

As prescribed in 47.507(a), insert the following clause:

Preference for Privately Owned U.S.-Flag Commercial Vessels (Nov 2021)

  • (a) Except as provided in paragraph (e) of this clause, the Cargo Preference Act of1954 (46 U.S.C.App.1241(b)) requires that Federal departments and agencies shall transport in privately owned U.S.-flag commercial vessels at least 50 percent of the gross tonnage of equipment, materials, or commodities that may be transported in ocean vessels (computed separately for dry bulk carriers, dry cargo liners, and tankers). Such transportation shall be accomplished when any equipment, materials, or commodities, located within or outside the United States, that may be transported by ocean vessel are-

    • (1) Acquired for a U.S. Government agency account;

    • (2) Furnished to, or for the account of, any foreign nation without provision for reimbursement;

    • (3) Furnished for the account of a foreign nation in connection with which the United States advances funds or credits, or guarantees the convertibility of foreign currencies; or

    • (4) Acquired with advance of funds, loans, or guaranties made by or on behalf of the United States.

  • (b) The Contractor shall use privately owned U.S.-flag commercial vessels to ship at least 50 percent of the gross tonnage involved under this contract (computed separately for dry bulk carriers, dry cargo liners, and tankers) whenever shipping any equipment, materials, or commodities under the conditions set forth in paragraph (a) of this clause, to the extent that such vessels are available at rates that are fair and reasonable for privately owned U.S.-flag commercial vessels.

  • (c)

    • (1) The Contractor shall submit one legible copy of a rated on-board ocean bill of lading for each shipment to both-

      • (i) The Contracting Officer, and

      • (ii) The:

        Office of Cargo Preference Maritime Administration (MAR-590) 400 Seventh Street, SW Washington DC 20590.

        Subcontractor bills of lading shall be submitted through the Prime Contractor.

    • (2) The Contractor shall furnish these bill of lading copies (i) within 20 working days of the date of loading for shipments originating in the United States, or (ii) within 30 working days for shipments originating outside the United States. Each bill of lading copy shall contain the following information:

        • (A) Sponsoring U.S. Government agency.

        • (B) Name of vessel.

        • (C) Vessel flag of registry.

        • (D) Date of loading.

        • (E) Port of loading.

        • (F) Port of final discharge.

        • (G) Description of commodity.

        • (H) Gross weight in pounds and cubic feet if available.

        • (I) Total ocean freight revenue in U.S. dollars.

  • (d) The Contractor shall insert the substance of this clause, including this paragraph (d), in all subcontracts or purchase orders under this contract, except those described in paragraph (e)(4).

  • (e) The requirement in paragraph (a) does not apply to-

    • (1) Cargoes carried in vessels as required or authorized by law or treaty;

    • (2) Ocean transportation between foreign countries of supplies purchased with foreign currencies made available, or derived from funds that are made available, under the Foreign Assistance Act of1961 (22 U.S.C. 2353);

    • (3) Shipments of classified supplies when the classification prohibits the use of non-Government vessels; and

    • (4) Subcontracts or purchase orders for the acquisition of commercial products or commercial services unless-

      • (i) This contract is-

        • (A) A contract or agreement for ocean transportation services; or

        • (B) A construction contract; or

      • (ii) The supplies being transported are-

        • (A) Items the Contractor is reselling or distributing to the Government without adding value. (Generally, the Contractor does not add value to the items when it subcontracts items for f.o.b. destination shipment); or

        • (B) Shipped in direct support of U.S. military-

          • (1) Contingency operations;

          • (2) Exercises; or

          • (3) Forces deployed in connection with United Nations or North Atlantic Treaty Organization humanitarian or peacekeeping operations.

  • (f) Guidance regarding fair and reasonable rates for privately owned U.S.-flag commercial vessels may be obtained from the:

    Office of Costs and Rates Maritime Administration 400 Seventh Street, SW Washington DC 20590 Phone: (202) 366-4610.

(End of clause)

Alternate I (Apr 2003). As prescribed in 47.507 (a)(2), substitute the following paragraphs (a) and (b) for paragraphs (a) and (b) of the basic clause:

(a) Except as provided in paragraphs (b) and (e) of this clause, the Contractor shall use privately owned U.S.-flag commercial vessels, and no others, in the ocean transportation of any supplies to be furnished under this contract.

(b) If such vessels are not available for timely shipment at rates that are fair and reasonable for privately owned U.S.-flag commercial vessels, the Contractor shall notify the Contracting Officer and request (1) authorization to ship in foreign-flag vessels or (2) designation of available U.S.-flag vessels. If the Contractor is authorized in writing by the Contracting Officer to ship the supplies in foreign-flag vessels, the contract price shall be equitably adjusted to reflect the difference in costs of shipping the supplies in privately owned U.S.-flag commercial vessels and in foreign-flag vessels.

Alternate II (Nov 2021) . As prescribed in 47.507 (a)(3), substitute the following paragraph (e) for paragraph (e) of the basic clause:

(e) The requirement in paragraph (a) does not apply to-

(1) Cargoes carried in vessels as required or authorized by law or treaty;

(2) Ocean transportation between foreign countries of supplies purchased with foreign currencies made available, or derived from funds that are made available, under the Foreign Assistance Act of1961 (22 U.S.C. 2353); and

(3) Shipments of classified supplies when the classification prohibits the use of non-Government vessels.

(4) Subcontracts or purchase orders under this contract for the acquisition of commercial products or commercial services unless the supplies being transported are-

(i) Items the Contractor is reselling or distributing to the Government without adding value. (Generally, the Contractor does not add value to the items when it subcontracts items for f.o.b. destination shipment); or

(ii) Shipments in direct support of U.S. military-

(A) Contingency operations;

(B) Exercises; or

(C) Forces deployed in connection with United Nations or North Atlantic Treaty Organization humanitarian or peacekeeping operations. (Note: This contract requires shipment of commercial products in direct support of U.S. military contingency operations, exercises, or forces deployed in connection with United Nations or North Atlantic Treaty Organization humanitarian or peacekeeping operations.)

The text above is reproduced from GSA's published FAR source files (GSA/GSA-Acquisition-FAR @ da52ccb (2026-03-30)), retrieved 2026-07-17. The official publication at acquisition.gov / eCFR controls if they differ.