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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10 sections with “Internal Revenue Code section 501”

  • FAR 31.205-6 Compensation for personal services.
    …panies, compensation in excess of the costs that are deductible as compensation under the Internal Revenue Code (26 U.S.C.) and regulations under it is unallowable. (b) Reasonableness—(1) Compensation pursuant to labor-management agreement…
  • FAR 27.301 Definitions.
    … of higher education or an organization of the type described in section 501(c)(3) of the Internal Revenue Code of 1954 (26 U.S.C. 501(c)) and exempt from taxation under section 501(a) of the Internal Revenue Code (26 U.S.C. 501(a)), or any…
  • FAR 52.227-11 Patent Rights—Ownership by the Contractor.
    … of higher education or an organization of the type described in section 501(c)(3) of the Internal Revenue Code of 1954 (26 U.S.C. 501(c)) and exempt from taxation under section 501(a) of the Internal Revenue Code (26 U.S.C. 501(a)), or any…
  • FAR 26.401 Definitions.
    …ofit organization means any organization that is— (1) Described in section 501(c) of the Internal Revenue Code of 1986; and (2) Exempt from tax under section 501(a) of that Code.
  • FAR 31.701 Purpose.
    …public office, and which are exempt from federal income taxation under section 501 of the Internal Revenue Code.
  • FAR 52.226-6 Promoting Excess Food Donation to Nonprofit Organizations.
    …ofit organization means any organization that is— (1) Described in section 501(c) of the Internal Revenue Code of 1986; and (2) Exempt from tax under section 501(a) of that Code. (b) In accordance with the Federal Food Donation Act of 20…
  • DFARS 215.404-72 Modified weighted guidelines method for nonprofit organizations other than FFRDCs.
    …c office; and (4) That is exempted from Federal income taxation under section 501 of the Internal Revenue Code. (b) For nonprofit organizations that are entities that have been identified by the Secretary of Defense or a Secretary of a De…
  • DFARS 219.270-1 Definition.
    …ofit organization means any organization that is— (1) Described in section 501(c) of the Internal Revenue Code of 1986; and (2) Exempt from tax under section 501(a) of that Code.
  • DFARS 237.7701 Definition.
    …ofit organization means any organization that is— (1) Described in section 501(c) of the Internal Revenue Code of 1986; and (2) Exempt from tax under section 501(a) of that Code.
  • DFARS 252.219-7012 Competition for Religious-Related Services.
    …ofit organization means any organization that is— (1) Described in section 501(c) of the Internal Revenue Code of 1986; and (2) Exempt from tax under section 501(a) of that Code. (b) A nonprofit organization is not precluded from competi…

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.