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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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89 sections with “significant interest”: the first 40

  • DFARS 252.225-7050 Disclosure of Ownership or Control by the Government of a Country that is a State Sponsor of Terrorism.
    … of terrorism, as well as any political subdivision, agency, or instrumentality thereof. Significant interest means— (1) Ownership of or beneficial interest in 5 percent or more of the firm's or subsidiary's securities. Beneficial interes…
  • FAR 2.101 Definitions.
    … product or industrial product (other than food or feed) that is composed, in whole or in significant part, of biological products, including renewable domestic agricultural materials and forestry materials, or that is an intermediate ingre…
  • FAR 15.404-1 Proposal analysis techniques.
    … products. (A) The prior price must be a valid basis for comparison. If there has been a significant time lapse between the last acquisition and the present one, if the terms and conditions of the acquisition are significantly different, o…
  • FAR 42.1701 Procedures.
    …g and monitoring it. Normally, FPRA's should be negotiated only with contractors having a significant volume of Government contract proposals. The cognizant contract administration agency shall determine whether an FPRA will be established.…
  • FAR 36.212 Preconstruction orientation.
    (a) The contracting officer will inform the successful offeror of significant matters of interest, including—(1) statutory matters such as labor standards (subpart 22.4), and subcontracting plan requirements (subpart 19.7); and (2) other ma…
  • FAR 15.101-1 Tradeoff process.
    … (b) When using a tradeoff process, the following apply: (1) All evaluation factors and significant subfactors that will affect contract award and their relative importance shall be clearly stated in the solicitation; and (2) The solicit…
  • FAR 42.705-1 Contracting officer determination procedure.
    …ant auditor and technical or functional personnel as required. Contracting offices having significant dollar interest shall be invited to participate in the negotiation and in the preliminary discussion of critical issues. Individuals or of…
  • DFARS 225.771-2 Prohibition.
    …t that is a state sponsor of terrorism owns or controls, either directly or indirectly, a significant interest in— (i) The firm; (ii) A subsidiary of the firm; or (iii) Any other firm that owns or controls the firm. (b) For restrictions…
  • DFARS 225.771-3 Notification.
    …ny disclosure that the government of a country that is a state sponsor of terrorism has a significant interest in an offeror, a subsidiary of an offeror, or any other firm that owns or controls an offeror shall be forwarded through agency c…
  • FAR 9.504 Contracting officer responsibilities.
    … as early in the acquisition process as possible; and (2) Avoid, neutralize, or mitigate significant potential conflicts before contract award. (b) Contracting officers should obtain the advice of counsel and the assistance of appropriate…
  • FAR 15.404-4 Profit.
    …ted profit consideration because of their routine nature, or are elements that contribute significantly to the proposed contract. (D) General management. This subfactor measures the prospective contractor's other indirect costs and general…
  • FAR 15.407-1 Defective certified cost or pricing data.
    …g Data, the Government is entitled to a price adjustment, including profit or fee, of any significant amount by which the price was increased because of the defective data. This entitlement is ensured by including in the contract one of the…
  • FAR 16.505 Ordering.
    …t of the agency's requirements; (B) A reasonable response period; (C) Disclosure of the significant factors and subfactors, including cost or price, that the agency expects to consider in evaluating proposals, and their relative importanc…
  • FAR 19.705-4 Reviewing the subcontracting plan.
    … 19.705-7). No goal should be negotiated upward if it is apparent that a higher goal will significantly increase the Government's cost or seriously impede the attainment of acquisition objectives. An incentive subcontracting clause (see 52.…
  • FAR 22.401 Definitions.
    … (5) Transportation of portions of the building or work between a secondary site where a significant portion of the building or work is constructed, which is part of the “site of the work” definition in paragraph (1)(ii) of this section, a…
  • FAR 22.1003-4 Administrative limitations, variations, tolerances, and exemptions.
    …pection by customers, and states prices at which sales currently, or were last, made to a significant number of buyers constituting the general public. (B) An established market price is a current price, established in the usual course of …
  • FAR 27.305-2 Administration by the Government.
    … directed primarily toward contracts that are more likely to result in subject inventions significant in number or quality. These contracts include contracts of a research, developmental, or experimental nature; contracts of a large dollar …
  • FAR 31.109 Advance agreements.
    … (1) Determine if other contracting offices inside the agency or in other agencies have a significant unliquidated dollar balance in contracts with the same contractor; (2) Inform any such office or agency of the matters under consideratio…
  • FAR 31.205-1 Public relations and advertising costs.
    … of products normally sold to the U.S. Government, including trade shows, which contain a significant effort to promote exports from the United States. Such costs are allowable, notwithstanding paragraphs (f)(1), (f)(3), (f)(4)(ii), and (f)…
  • FAR 32.1004 Procedures.
    …rmance criteria and payment amounts when negotiating contract terms. If a contract action significantly affects the price, or event or performance criterion, the contracting officer responsible for pricing the contract modification shall ad…
  • FAR 33.104 Protests to GAO.
    …egable basis, upon a written finding that— (i) Urgent and compelling circumstances which significantly affect the interest of the United States will not permit awaiting the decision of the GAO; and (ii) Award is likely to occur within 30 …
  • FAR 52.215-1 Instructions to Offerors—Competitive Acquisition.
    …when, despite an acceptable total evaluated price, the price of one or more line items is significantly overstated or understated as indicated by the application of cost or price analysis techniques. A proposal may be rejected if the Contra…
  • FAR 52.245-1 Government Property.
    …effective and efficient control of Government property. The Contractor shall disclose any significant changes to its property management system to the Property Administrator prior to implementation of the changes. The Contractor may employ …
  • DFARS 206.302-1 Only one responsible source and no other supplies or services will satisfy agency requirements.
    …ce is fully qualified to perform the proposed work; (ii) The unsolicited proposal offers significant scientific or technological promise, represents the product of original thinking, and was submitted in confidence; or (iii) The contract …
  • DFARS 232.072-2 Appropriate information.
    …d (iii) Deferred to future periods. (5) Business base and forecast that— (i) Shows, by significant markets, existing contracts and outstanding offers, including those under negotiation; and (ii) Is reconcilable to indirect cost rate pro…
  • FAR 3.1003 Requirements.
    …/or debarred for knowing failure by a principal to timely disclose credible evidence of a significant overpayment, other than overpayments resulting from contract financing payments as defined in 32.001 (see 9.406-2(b)(1)(vi) and 9.407-2(a)…
  • FAR 5.207 Preparation and transmittal of synopses.
    …range and limitations, type of contract, estimated starting and completion dates, and any significant evaluation factors. (14)(i) If the solicitation will include the FAR clause at 52.225-3, Buy American-Free Trade Agreements-Israeli Trade…
  • FAR 5.504 Use of advertising agencies.
    …d with advertising agencies for assistance in producing and placing advertisements when a significant number will be placed in several publications and in national media. Services of advertising agencies include, but are not limited to, cou…
  • FAR 9.406-2 Causes for debarment.
    … States Code; (B) Violation of the civil False Claims Act (31 U.S.C. 3729-3733); or (C) Significant overpayment(s) on the contract, other than overpayments resulting from contract financing payments as defined in 32.001. (vii) Determinat…
  • FAR 9.407-2 Causes for suspension.
    …ates Code; (ii) Violation of the civil False Claims Act (31 U.S.C. 3729-3733); or (iii) Significant overpayment(s) on the contract, other than overpayments resulting from contract financing payments as defined in 32.001; or (9) Determina…
  • FAR 9.505 General rules.
    … sense, good judgment, and sound discretion is required in both the decision on whether a significant potential conflict exists and, if it does, the development of an appropriate means for resolving it. The two underlying principles are— (…
  • FAR 9.506 Procedures.
    …gisters. (b) If the contracting officer decides that a particular acquisition involves a significant potential organizational conflict of interest, the contracting officer shall, before issuing the solicitation, submit for approval to the …
  • FAR 9.507-1 Solicitation provisions.
    As indicated in the general rules in 9.505, significant potential organizational conflicts of interest are normally resolved by imposing some restraint, appropriate to the nature of the conflict, upon the contractor's eligibilityfor future …
  • FAR 14.503-1 Step one.
    …s of the technical proposal. (4) The evaluation criteria, to include all factors and any significant subfactors. (5) A statement that the technical proposals shall not include prices or pricing information. (6) The date, or date and hour…
  • FAR 15.305 Proposal evaluation.
    …l ratings, numerical weights, and ordinal rankings. The relative strengths, deficiencies, significant weaknesses, and risks supporting proposal evaluation shall be documented in the contract file. (1) Cost or price evaluation. Normally, co…
  • FAR 15.403-3 Requiring data other than certified cost or pricing data.
    …made to obtain the data. (ii) The need for the item or service. (iii) Increased cost or significant harm to the Government if award is not made. (b) Adequate price competition. When adequate price competition exists (see 15.403-1(c)(1)),…
  • FAR 15.407-2 Make-or-buy programs.
    …d contract is for research or development and, if prototypes or hardware are involved, no significant follow-on production is anticipated. (2) Contracting officers may require prospective contractors to submit make-or-buy programs for nego…
  • FAR 15.505 Preaward debriefing of offerors.
    …t. (e) At a minimum, preaward debriefings shall include— (1) The agency's evaluation of significant elements in the offeror's proposal; (2) A summary of the rationale for eliminating the offeror from the competition; and (3) Reasonable …
  • FAR 16.504 Indefinite-quantity contracts.
    … the agency determines that the advisory and assistance services are incidental and not a significant component of the contract.
  • FAR 16.702 Basic agreements.
    …umber of separate contracts may be awarded to a contractor during a particular period and significant recurring negotiating problems have been experienced with the contractor. Basic agreements may be used with negotiated fixed-price or cost…

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.