48 CFR · Federal Acquisition Regulation and Defense supplement

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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 “lump-sum basis”

  • FAR 31.205-35 Relocation costs.
    …f the old mortgage times 3 years. (ii) When mortgage differential payments are made on a lump-sum basis and the employee leaves or is transferred again in less than 3 years, the amount initially recognized shall be proportionately adjusted…
  • FAR 36.207 Pricing fixed-price construction contracts.
    …-fixed-price contracts shall be used to acquire construction. They may be priced (1) on a lump-sum basis (when a lump sum is paid for the total work or defined parts of the work), (2) on a unit-price basis (when a unit price is paid for a s…
  • FAR 49.110 Settlement negotiation memorandum.
    …cify the factors considered for each item. If the settlement was negotiated on an overall lump-sum basis, the TCO need not evaluate each item or group of items individually, but shall support the total amount of the recommended settlement i…
  • FAR 52.248-1 Value Engineering.
    … significantly different from those previously anticipated or (2) to the calculation of a lump-sum payment, which cannot later be revised. Government costs, as used in this clause, means those agency costs that result directly from develop…
  • FAR 49.206-2 Bases for settlement proposals.
    …uction contract. (iii) The complete termination of a unit-price (as distinguished from a lump-sum) professional services contract. (b) Total cost basis. (1) When use of the inventory basis is not practicable or will unduly delay settlemen…

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.