48 CFR · Federal Acquisition Regulation and Defense supplement

FAR and DFARS navigator

The codified text (eCFR, as of 2026-10-02). Under the Revolutionary FAR Overhaul ↗, agencies follow class deviations with new text for many parts while the formal rules go through the Federal Register: check the solicitation and your contract's clauses, which rule.

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5 sections with “gross tonnage”

  • FAR 52.247-64 Preference for Privately Owned U.S.-Flag Commercial Vessels.
    …hall 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 l…
  • FAR 47.502 Policy.
    …pplies that may require ocean transportation shall ensure that at least 50 percent of the gross tonnage of these supplies (computed separately for dry bulk carriers, dry cargo liners, and tankers) is transported on privately owned U.S.-flag…
  • FAR 47.505 Construction contracts.
    …hich event foreign-flag vessels may be used for a portion not to exceed 50 percent of the gross tonnage for the project.
  • FAR 52.225-8 Duty-Free Entry.
    …on of Customs Forms 7501 and 7501-A and any required duty-free entry certificates.”; (5) Gross weight in pounds (if freight is based on space tonnage, state cubic feet in addition to gross shipping weight); and (6) Estimated value in Unit…
  • DFARS 252.225-7013 Duty-Free Entry.
    …requirements. No notification to DCMA St. Louis, Duty Free Entry Team, is required.) (v) Gross weight in pounds (if freight is based on space tonnage, state cubic feet in addition to gross shipping weight). (vi) Estimated value in U.S. do…

FAR (chapter 1)

DFARS (chapter 2, Defense)

Source: eCFR, 48 CFR chapters 1 and 2 (GPO GovInfo bulk data) ↗. Rule changes in progress: FAR, DFARS. Terms: glossary.