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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4 sections with “tonnage rates”

  • FAR 47.305-13 Transit arrangements.
    … transit arrangements may be beneficial. The quantity to be awarded must be of sufficient tonnage to ensure that carload/truckload shipments can be made by the contractor, and there should be reasonable certainty that shipments out of the t…
  • FAR 52.247-64 Preference for Privately Owned U.S.-Flag Commercial Vessels.
    …ransport 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,…
  • FAR 47.502 Policy.
    … 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 comme…
  • DFARS 247.270-3 Evaluation of bids and proposals.
    As a minimum, require that offers include— (a) Tonnage or commodity rates that apply to the bulk of the cargo worked under normal conditions; (b) Labor-hour rates that apply to services not covered by commodity rates, or to work performed…

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.