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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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50 sections with “Government estimates”: the first 40

  • FAR 47.305-12 Delivery of Government-furnished property.
    (a)(1) When Government property is furnished to a contractor and transportation costs to the Government are a factor in the evaluation of offers, the contracting officer shall include in the solicitation a clear description of the property,…
  • FAR 52.237-4 Payment by Government to Contractor.
    …molition, or removal of improvements whenever the contracting officer determines that the Government shall make payment to the contractor in addition to any title to property that the contractor may receive under the contract: Payment by G…
  • FAR 2.101 Definitions.
    … funds of supplies or services (including construction) by and for the use of the Federal Government through purchase or lease, whether the supplies or services are already in existence or must be created, developed, demonstrated, and evalu…
  • FAR 5.401 General.
    …n it is necessary to obtain information from potential contractors and others outside the Government for use in preparing Government estimates, contracting officers shall ensure that the information is not publicized or discussed with poten…
  • FAR 7.105 Contents of written acquisition plans.
    …upplies or services (see part 8) and sources identifiable through databases including the Governmentwide database of contracts and other procurement instruments intended for use by multiple agencies available at https://www.contractdirector…
  • FAR 10.002 Procedures.
    (a) Acquisitions begin with a description of the Government's needs stated in terms sufficient to allow conduct of market research. (b) Market research is then conducted to determine if commercial products, commercial services, or nondevel…
  • FAR 15.404-1 Proposal analysis techniques.
    …t an appropriate analysis is performed. (6) Recommendations or conclusions regarding the Government's review or analysis of an offeror's or contractor's proposal shall not be disclosed to the offeror or contractor without the concurrence o…
  • FAR 15.407-1 Defective certified cost or pricing data.
    …n on the contractor's or subcontractor's Certificate of Current Cost or Pricing 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 defec…
  • FAR 16.104 Factors in selecting contract types.
    …competition results in realistic pricing, and a fixed-price contract is ordinarily in the Government's interest. (b) Price analysis. Price analysis with or without competition, may provide a basis for selecting the contract type. The degre…
  • FAR 16.505 Ordering.
    …all not be used unless the particular brand-name, product, or feature is essential to the Government's requirements and market research indicates other companies' similar products, or products lacking the particular feature, do not meet, or…
  • FAR 28.308 Self-insurance.
    …ts to be incurred at a segment of a contractor's business will be allocable to negotiated Government contracts, and the self-insurance costs at the segment for the contractor's fiscal year are expected to be $200,000 or more, the contractor…
  • FAR 32.904 Determining payment due dates.
    …ue dates, contracting officers give full consideration to the time reasonably required by Government officials to fulfill their administrative responsibilities under the contract. (b) Payment due dates. Except as prescribed in paragraphs (…
  • FAR 35.007 Solicitations.
    … lacking appropriate qualifications is costly and time-consuming to both industry and the Government. Therefore, contracting officers should initially distribute solicitations only to sources technically qualified to perform research or dev…
  • FAR 49.404 Surety-takeover agreements.
    …for completing the contract. The contracting officer must take action on the basis of the Government's interest, including the possible effect upon the Government's rights against the surety. (c) The contracting officer should permit suret…
  • FAR 52.216-21 Requirements.
    …are not purchased by this contract. Except as this contract may otherwise provide, if the Government's requirements do not result in orders in the quantities described as estimated or maximum in the Schedule, that fact shall not constitute …
  • FAR 52.232-5 Payments Under Fixed-Price Construction Contracts.
    … Payments Under Fixed-Price Construction Contracts (MAY 2014) (a) Payment of price. The Government shall pay the Contractor the contract price as provided in this contract. (b) Progress payments. The Government shall make progress paymen…
  • FAR 52.232-16 Progress Payments.
    …rescribed in 32.502-4(a), insert the following clause: Progress Payments (NOV 2021) The Government will make progress payments to the Contractor when requested as work progresses, but not more frequently than monthly, in amounts of $2,500…
  • FAR 52.232-22 Limitation of Funds.
    … (APR 1984) (a) The parties estimate that performance of this contract will not cost the Government more than (1) the estimated cost specified in the Schedule or, (2) if this is a cost-sharing contract, the Government's share of the estima…
  • FAR 52.232-26 Prompt Payment for Fixed-Price Architect-Engineer Contracts.
    …ineer Contracts (JAN 2017) Notwithstanding any other payment terms in this contract, the Government will make invoice payments under the terms and conditions specified in this clause. The Government considers payment as being made on the d…
  • FAR 52.232-27 Prompt Payment for Construction Contracts.
    …ction Contracts (JAN 2017) Notwithstanding any other payment terms in this contract, the Government will make invoice payments under the terms and conditions specified in this clause. The Government considers payment as being made on the d…
  • FAR 52.249-7 Termination (Fixed-Price Architect-Engineer).
    …ntract is contemplated: Termination (Fixed-Price Architect-Engineer) (APR 1984) (a) The Government may terminate this contract in whole or, from time to time, in part, for the Government's convenience or because of the failure of the Cont…
  • DFARS 252.225-7013 Duty-Free Entry.
    …25) (a) Definitions. As used in this clause— “Component” means any item supplied to the Government as part of an end product or of another component. Customs territory of the United States means the 50 States, the District of Columbia, a…
  • FAR 16.306 Cost-plus-fixed-fee contracts.
    …on have indicated a high degree of probability that the development is achievable and the Government has established reasonably firm performance objectives and schedules. (c) Limitations. No cost-plus-fixed-fee contract shall be awarded un…
  • FAR 17.106-1 General.
    …ion and contract award. (e) Payment of cancellation charges. If cancellation occurs, the Government's liability will be determined by the terms of the applicable contract. (f) Presolicitation or pre-bid conferences. To ensure that all int…
  • FAR 31.205-11 Depreciation.
    …it until notification of final acceptance of all deliverable items on all open negotiated Government contracts. (c) For contracts to which 48 CFR 9904.409 is not applied, except as indicated in paragraphs (g) and (h) of this subsection, al…
  • FAR 32.1004 Procedures.
    …ed payments. An event need not be a critical event in order to trigger a payment, but the Government must be able to readily verify successful performance of each such event or performance criterion. (2) Events or criteria may be either se…
  • FAR 52.216-22 Indefinite Quantity.
    …orders issued in accordance with the Ordering clause. The Contractor shall furnish to the Government, when and if ordered, the supplies or services specified in the Schedule up to and including the quantity designated in the Schedule as the…
  • FAR 52.232-10 Payments Under Fixed-Price Architect-Engineer Contracts.
    …d submitted along with its voucher. (b) After receipt of each substantiated voucher, the Government shall pay the voucher as approved by the Contracting Officer or authorized representative. The Contracting Officer shall require a withhold…
  • FAR 52.247-62 Specific Quantities Unknown.
    … each destination cannot be predetermined. This clause protects the interests of both the Government and the contractor during the course of the performance of the contract. Specific Quantities Unknown (APR 1984) (a) For the purpose of ev…
  • DFARS 215.404-71-2 Performance risk.
    …he-art machinery; (C) The services and analytical efforts are extremely important to the Government and must be performed to exacting standards; (D) The contractor's independent development and investment has reduced the Government's risk…
  • FAR 35.006 Contracting methods and contract type.
    …e should be made after obtaining the recommendations of technical personnel. Although the Government ordinarily prefers fixed-price arrangements in contracting, this preference applies in R&D contracting only to the extent that goals, objec…
  • FAR 3.104-1 Definitions.
    …6) The estimated monetary value of negotiated overhead or other rates when applied to the Government portion of the applicable allocation base. Official means— (1) An officer, as defined in 5 U.S.C. 2104; (2) An employee, as defined in 5…
  • FAR 7.103 Agency-head responsibilities.
    …ctor compliance with Federal environmental requirements, when the contractor is operating Government-owned facilities or vehicles, to the same extent as the agency would be required to comply if the agency operated the facilities or vehicle…
  • FAR 14.211 Release of acquisition information.
    …icitation. Information concerning proposed acquisitions shall not be released outside the Government before solicitation except for presolicitation notices in accordance with 14.205 or 36.213-2, or long-range acquisition estimates in accord…
  • FAR 15.406-1 Prenegotiation objectives.
    (a) The prenegotiation objectives establish the Government's initial negotiation position. They assist in the contracting officer's determination of fair and reasonable price. They should be based on the results of the contracting officer's…
  • FAR 15.408 Solicitation provisions and contract clauses.
    …); (6) Proposed cost; profit or fee; and total; (7) Whether you will require the use of Government property in the performance of the contract, and, if so, what property; (8) Whether your organization is subject to cost accounting standa…
  • FAR 52.216-9 Fixed Fee—Construction.
    …ed-fee construction contract is contemplated: Fixed Fee—Construction (JUN 2011) (a) The Government shall pay to the Contractor for performing this contract the fixed fee specified in the Schedule. (b) Payment of the fixed fee shall be ma…
  • DFARS 209.571-1 Definitions.
    …y purpose of which is to perform acquisition functions closely associated with inherently governmental functions (see section 7.503(d) of the Federal Acquisition Regulation) with respect to the development or production of a major system. …
  • DFARS 215.407-5-70 Disclosure, maintenance, and review requirements.
    …concurrence or at the request of the ACO, determines it to be in the best interest of the Government (e.g., significant estimating problems are believed to exist or the contractor's sales are predominantly Government). (c) Policy. (1) The …
  • DFARS 215.470 Estimated data prices.
    (a) DoD requires estimates of the prices of data in order to evaluate the cost to the Government of data items in terms of their management, product, or engineering value. (b) When data are required to be delivered under a contract, includ…

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.