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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2 sections with “level-of-effort approach”

  • FAR 35.005 Work statement.
    …eviewing work statements, contracting officers should ensure that language suitable for a level-of-effort approach, which requires the furnishing of technical effort and a report on the results, is not intermingled with language suitable fo…
  • FAR 15.404-4 Profit.
    … reduced accordingly. The contractor assumes the least cost risk in a cost-plus-fixed-fee level-of-effort contract, under which it is reimbursed those costs determined to be allocable and allowable, plus the fixed fee. (C) In evaluating as…

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.