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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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337 sections with “substantial”: the first 40

  • FAR 7.107-4 Substantial bundling.
    (a)(1) Substantial bundling is any bundling that results in a contract or task or delivery order with an estimated value of— (i) $8 million or more for the Department of Defense; (ii) $6 million or more for the National Aeronautics and Sp…
  • DFARS 243.107-70 Notification of substantial impact on employment.
    …cretary of Labor if a modification of a major defense contract or subcontract will have a substantial impact on employment. The clause prescribed at 249.7003(c) requires that the contractor notify its employees, its subcontractors, and Stat…
  • FAR 7.107 Additional requirements for acquisitions involving consolidation, bundling, or substantial bundling.
  • FAR 2.101 Definitions.
    …ng agency determines the product was developed exclusively at private expense and sold in substantial quantities, on a competitive basis, to multiple State and local governments or to multiple foreign governments. Commercial service means—…
  • FAR 3.104-1 Definitions.
    …A special Government employee, as defined in 18 U.S.C. 202. Participating personally and substantially in a Federal agency procurement means— (1) Active and significant involvement of an official in any of the following activities directl…
  • FAR 7.107-3 Bundling.
    (a) Bundling may provide substantial benefits to the Government. However, because of the potential impact on small business participation, before conducting an acquisition strategy that involves bundling, the agency shall make a written det…
  • FAR 17.208 Solicitation provisions and contract clauses.
    (a) Insert a provision substantially the same as the provision at 52.217-3, Evaluation Exclusive of Options, in solicitations when the solicitation includes an option clause and does not include one of the provisions prescribed in paragraph…
  • FAR 22.1003-4 Administrative limitations, variations, tolerances, and exemptions.
    …ns, airplanes, buses, and vessels over regularly established routes and accounts for an insubstantial portion of the revenue therefrom. (2) Any contract entered into by the U.S. Postal Service with an individual owner-operator for mail ser…
  • FAR 25.003 Definitions.
    … an article that consists in whole or in part of materials from another country, has been substantially transformed in a Caribbean Basin country into a new and different article of commerce with a name, character, or use distinct from that …
  • FAR 46.710 Contract clauses.
    …are varied to meet a particular need. (a)(1) The contracting officer may insert a clause substantially the same as the clause at 52.246-17, Warranty of Supplies of a Noncomplex Nature, in solicitations and contracts for noncomplex items wh…
  • FAR 52.204-25 Prohibition on Contracting for Certain Telecommunications and Video Surveillance Services or Equipment.
    … home network either because signal coverage is too weak or because traffic is too high. Substantial or essential component means any component necessary for the proper function or performance of a piece of equipment, system, or service. …
  • FAR 52.222-41 Service Contract Labor Standards.
    …t succeeds a contract subject to the Service Contract Labor Standards statute under which substantially the same services were furnished in the same locality and service employees were paid wages and fringe benefits provided for in a collec…
  • FAR 52.225-3 Buy American—Free Trade Agreements—Israeli Trade Act.
    … an article that consists in whole or in part of materials from another country, has been substantially transformed in Bahrain, Morocco, Oman, Panama, or Peru into a new and different article of commerce with a name, character, or use disti…
  • FAR 52.225-5 Trade Agreements.
    … an article that consists in whole or in part of materials from another country, has been substantially transformed in a Caribbean Basin country into a new and different article of commerce with a name, character, or use distinct from that …
  • FAR 52.225-11 Buy American—Construction Materials Under Trade Agreements.
    …on material that consists in whole or in part of materials from another country, has been substantially transformed in a Caribbean Basin country into a new and different construction material distinct from the materials from which it was tr…
  • FAR 52.232-12 Advance Payments.
    …se of business. (iii) The appointment of a trustee, receiver, or liquidator for all or a substantial part of the Contractor's property, or the institution of proceedings by or against the Contractor for bankruptcy, reorganization, arrangem…
  • FAR 52.246-17 Warranty of Supplies of a Noncomplex Nature.
    As prescribed in 46.710(a)(1), insert a clause substantially as follows: Warranty of Supplies of a Noncomplex Nature (JUN 2003) (a) Definitions. As used in this clause— Acceptance means the act of an authorized representative of the Gove…
  • DFARS 225.7017-1 Definitions.
    …taic device that consists in whole or in part of materials from another country, has been substantially transformed in a Caribbean Basin country into a new and different article of commerce with a name, character, or use distinct from that …
  • DFARS 252.225-7001 Buy American and Balance of Payments Program.
    …ial product” in section 2.101 of the Federal Acquisition Regulation (FAR)); (ii) Sold in substantial quantities in the commercial marketplace; and (iii) Offered to the Government, under a contract or subcontract at any tier, without modif…
  • DFARS 252.225-7017 Photovoltaic Devices.
    …taic device that consists in whole or in part of materials from another country, has been substantially transformed in Bahrain into a new and different article of commerce with a name, character, or use distinct from that of the article or …
  • DFARS 252.225-7021 Trade Agreements.
    … an article that consists in whole or in part of materials from another country, has been substantially transformed in a Caribbean Basin country into a new and different article of commerce with a name, character, or use distinct from that …
  • DFARS 252.225-7036 Buy American—Free Trade Agreements—Balance of Payments Program.
    … an article that consists in whole or in part of materials from another country, has been substantially transformed in Bahrain into a new and different article of commerce with a name, character, or use distinct from that of the article or …
  • DFARS 252.225-7044 Balance of Payments Program—Construction Material.
    …cial product” in section 2.101 of the Federal Acquisition Regulation (FAR); (ii) Sold in substantial quantities in the commercial marketplace; and (iii) Offered to the Government, under a contract or subcontract at any tier, without modif…
  • DFARS 252.225-7045 Balance of Payments Program—Construction Material Under Trade Agreements.
    …on material that consists in whole or in part of materials from another country, has been substantially transformed in a Caribbean Basin country into a new and different construction material distinct from the materials from which it was tr…
  • FAR 4.2102 Prohibition.
    …pment, system, or service that uses covered telecommunications equipment or services as a substantial or essential component of any system, or as critical technology as part of any system, unless an exception at paragraph (b) of this sectio…
  • FAR 7.107-2 Consolidation.
    (a) Consolidation may provide substantial benefits to the Government. However, because of the potential impact on small business participation, before conducting an acquisition that is a consolidation of requirements with an estimated total…
  • FAR 22.1003-6 Repair distinguished from remanufacturing of equipment.
    …he following conditions exist: (i) The item or equipment is required to be completely or substantially torn down into individual component parts. (ii) Substantially all of the parts are reworked, rehabilitated, altered and/or replaced. (…
  • FAR 31.205-6 Compensation for personal services.
    …f their immediate families; and (B) Persons who are contractually committed to acquire a substantial financial interest in the contractor's enterprise. (ii) For these individuals, compensation must— (A) Be reasonable for the personal ser…
  • FAR 41.501 Solicitation provision and contract clauses.
    …culiar to the contracting situation, this section prescribes provisions and clauses on a “substantially the same as” basis (see 52.101) which permits the contracting officer to prepare and utilize variations of the prescribed provision and …
  • FAR 52.225-23 Required Use of American Iron, Steel, and Manufactured Goods—Buy American Statute—Construction Materials Under Trade Agreements.
    …on material that consists in whole or in part of materials from another country, has been substantially transformed in an FTA country into a new and different construction material distinct from the materials from which it was transformed. …
  • FAR 52.232-16 Progress Payments.
    …ncrease the rate of liquidation, or take a combination of these actions, after finding on substantial evidence any of the following conditions: (1) The Contractor failed to comply with any material requirement of this contract (which inclu…
  • FAR 52.246-18 Warranty of Supplies of a Complex Nature.
    As prescribed in 46.710(b)(1), insert a clause substantially as follows: Warranty of Supplies of a Complex Nature (MAY 2001) (a) Definitions. As used in this clause— Acceptance means the act of an authorized representative of the Governm…
  • FAR 52.246-19 Warranty of Systems and Equipment under Performance Specifications or Design Criteria.
    As prescribed in 46.710(c)(1), the contracting officer may insert a clause substantially as follows: Warranty of Systems and Equipment Under Performance Specifications or Design Criteria (MAY 2001) (a) Definitions. As used in this clause—…
  • DFARS 215.404-71-3 Contract type risk and working capital adjustment.
    …enerally regard the contract type risk to be in the low end of the designated range. If a substantial portion of the costs has been incurred prior to definitization, the contracting officer may assign a value as low as zero percent, regardl…
  • DFARS 249.7003 Notification of anticipated contract terminations or reductions.
    … for employees of DoD contractors and subcontractors adversely affected by termination or substantial reductions in major defense programs. (b) Departments and agencies are responsible for establishing procedures to— (1) Identify which co…
  • DFARS 252.204-7018 Prohibition on the Acquisition of Covered Defense Telecommunications Equipment or Services.
    …lled pursuant to section 1758 of the Export Control Reform Act of 2018 (50 U.S.C. 4817). Substantial or essential component means any component necessary for the proper function or performance of a piece of equipment, system, or service. …
  • FAR 3.104-2 General.
    …es) are prohibited by 18 U.S.C. 208 and 5 CFR part 2635 from participating personally and substantially in any particular matter that would affect the financial interests of any person with whom the employee is seeking employment. An employ…
  • FAR 7.107-5 Notifications.
    …7.107-2 for the required content of the determination. (d) Notification to the public of substantial bundling of contract requirements. The head of the agency shall publish in the GPE— (1) A notice that the agency has determined that a pr…
  • FAR 9.308-1 Testing performed by the contractor.
    …e the clause with its Alternate II. (b)(1) The contracting officer shall insert a clause substantially the same as the clause at 52.209-3, First Article Approval—Contractor Testing, in solicitations and contracts when a cost-reimbursement …
  • FAR 9.308-2 Testing performed by the Government.
    …basic clause with its Alternate II. (b)(1) The contracting officer shall insert a clause substantially the same as the clause at 52.209-4, First Article Approval—Government Testing, in solicitations and contracts when a cost-reimbursement …

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.