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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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20 sections with “pricing periods”

  • FAR 2.101 Definitions.
    … or an entire business organization that is not divided into segments. Certified cost or pricing data means “cost or pricing data” that were required to be submitted in accordance with FAR 15.403-4 and 15.403-5 and have been certified, or …
  • FAR 15.404-1 Proposal analysis techniques.
    …detail of the analysis required. (2) Price analysis shall be used when certified cost or pricing data are not required (see paragraph (b) of this subsection and 15.404-3). (3) Cost analysis shall be used to evaluate the reasonableness of …
  • FAR 4.704 Calculation of retention periods.
    …s generated during a prior contract are relied upon by a contractor for certified cost or pricing data in negotiating a succeeding contract, the prescribed periods shall run from the date of the succeeding contract. (c) If two or more of t…
  • DFARS 231.205-70 External restructuring costs.
    …ontracting officer, in consultation with the cognizant ACO, should consider including a repricing clause in noncompetitive fixed-price contracts that are negotiated during the period between— (i) The time a business combination is announce…
  • FAR 16.205-3 Limitations.
    …ontractor's accounting system is adequate for price redetermination; (c) The prospective pricing periods can be made to conform with operation of the contractor's accounting system; and (d) There is reasonable assurance that price redeter…
  • FAR 31.205-6 Compensation for personal services.
    …ontracts and subcontracts that are subject to Subpart 31.2 or for which certified cost or pricing data were submitted. (ii) For all other situations where assets revert to the contractor, or such assets are constructively received by it fo…
  • FAR 16.103 Negotiating contract type.
    …edicted with an acceptable degree of certainty. However, when a reasonable basis for firm pricing does not exist, other contract types should be considered, and negotiations should be directed toward selecting a contract type (or combinatio…
  • FAR 31.105 Construction and architect-engineer contracts.
    …ded in (d) below, the cost principles and procedures in subpart 31.2 shall be used in the pricing of contracts and contract modifications in this category if cost analysis is performed as required by 15.404-1(c). (c) In addition, the contr…
  • FAR 32.007 Contract financing payments.
    …d due date. (3) Agency heads may prescribe shorter periods for payment based on contract pricing or administrative considerations. For example, a shorter period may be justified by an agency if the nature and extent of contract financing a…
  • FAR 32.604 Demand for payment.
    …imitation on Payments Statement, Cost Accounting Standards, price reduction for defective pricing), a notification stating that payment should be made promptly, and that interest is due in accordance with the terms of the contract. Interest…
  • FAR 52.219-9 Small Business Subcontracting Plan.
    …form a portion of the subcontract; or (ii) The Offeror used the small business concern's pricing or cost information or technical expertise in preparing the bid or proposal, where there is written evidence of an intent or understanding tha…
  • DFARS 204.805 Disposal of contract files.
    … Destroy working files as soon as practicable once they are no longer needed. (5) Retain pricing review files, containing documents related to reviews of the contractor's price proposals, subject to certified cost or pricing data (see FAR …
  • FAR 8.402 General.
    …s and services offered by a schedule contractor. In addition, each pricelist contains the pricing and the terms and conditions pertaining to each Special Item Number that is on schedule. The schedule contractor is required to provide one co…
  • FAR 16.205-2 Application.
    …which it is possible to negotiate a fair and reasonable firm fixed price. Each subsequent pricing period should be at least 12 months. (b) The contract may provide for a ceiling price based on evaluation of the uncertainties involved in pe…
  • FAR 16.601 Time-and-materials contracts.
    … labor-hour contract or order, the contracting officer shall— (1) Conduct an analysis of pricing and other relevant factors to determine if the action is in the best interest of the Government; (2) Document the decision in the contract or…
  • FAR 19.704 Subcontracting plan requirements.
    …perform a portion of the contract; or (ii) The offeror used the small business concern's pricing or cost information or technical expertise in preparing the bid or proposal, where there is written evidence of an intent or understanding tha…
  • FAR 31.001 Definitions.
    …ed compensation levels. Proposal means any offer or other submission used as a basis for pricing a contract, contract modification, or termination settlement or for securing payments thereunder. Qualified pension plan means a pension plan…
  • FAR 42.801 Notice of intent to disallow costs.
    …he intended disallowance; (4) Describe the potential impact on billing rates and forward pricing rate agreements; (5) State the notice's effective date and the date by which written response must be received; (6) List the recipients of c…
  • FAR 52.236-16 Quantity Surveys.
    …n solicitations and contracts when a fixed-price construction contract providing for unit pricing of items and for payment based on quantity surveys is contemplated: Quantity Surveys (APR 1984) (a) Quantity surveys shall be conducted, and…
  • FAR 52.250-4 SAFETY Act Pre-qualification Designation Notice.
    …y be found at the SAFETY Act website at http://www.SAFETYAct.gov. (f) Proposals in which pricing or any other terms or conditions are offered contingent upon SAFETY Act designation or certification of the proposed product(s) or service(s) …

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.