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 “Essential job functions”

  • FAR 52.222-26 Equal Opportunity.
    …decisions, statements and policies related to setting or altering employee compensation. Essential job functions means the fundamental job duties of the employment position an individual holds. A job function may be considered essential if…
  • FAR 2.101 Definitions.
    …defined in OMB Circular No. A-109 or to provide direct support of a weapon system that is essential to research, development, production, operation or maintenance of the system. Affiliates means associated business concerns or individuals …
  • FAR 22.802 General.
    …he compensation information of other employees or applicants as a part of such employee's essential job functions discloses the compensation of such other employees or applicants to individuals who do not otherwise have access to such infor…
  • DFARS 252.225-7040 Contractor Personnel Supporting U.S. Armed Forces Deployed Outside the United States.
    …rization. In some cases, Combatant Commander subordinate commanders may designate mission-essential host nation or local national contractor employees (e.g., interpreters) as CAAF. CAAF includes contractors previously identified as contract…
  • FAR 31.001 Definitions.
    …communicated to and for the exclusive benefit of employees that meets the criteria deemed essential by the Internal Revenue Service as set forth in the Internal Revenue Code for preferential tax treatment regarding contributions, investment…

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.