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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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25 sections with “express option”

  • FAR 33.104 Protests to GAO.
    …as been filed, or within 20 days after receipt from the GAO of a determination to use the express option, unless the GAO— (A) Advises the agency that the protest has been dismissed; or (B) Authorizes a longer period in response to an agen…
  • FAR 31.001 Definitions.
    …ecasting a future result in terms of cost, based upon information available at the time. Expressly unallowable cost means a particular item or type of cost which, under the express provisions of an applicable law, regulation, or contract, …
  • FAR 52.219-9 Small Business Subcontracting Plan.
    … (d) The Offeror's subcontracting plan shall include the following: (1) Separate goals, expressed in terms of total dollars subcontracted, and as a percentage of total planned subcontracting dollars, for the use of small business, veteran…
  • FAR 2.101 Definitions.
    …quirements under a Government solicitation; (3) A product that would satisfy a criterion expressed in paragraph (1) or (2) of this definition, except for— (i) Modifications of a type customarily available in the commercial marketplace; or…
  • FAR 17.204 Contracts.
    …1002-1), may place additional restrictions on the length of contracts. (f) Contracts may express options for increased quantities of supplies or services in terms of (1) percentage of specific line items, (2) increase in specific line item…
  • FAR 52.241-5 Contractor's Facilities.
    …en caused by the Government's negligent acts or omissions. (b) Notwithstanding any terms expressed in this clause, the Contractor shall obtain approval from the Contracting Officer prior to any equipment installation, construction, or remo…
  • FAR 1.108 FAR conventions.
    …ts action, the contracting officer is responsible for the action, unless another party is expressly cited.
  • FAR 6.001 Applicability.
    …s awarded using contracting procedures (other than those addressed in this part) that are expressly authorized by statute; (c) Contract modifications, that are within the scope of the contract, including the exercise of priced options that…
  • FAR 16.406 Contract clauses.
    …ons; (2) Is compatible with the clause at 52.216-7, Allowable Cost and Payment; and (3) Expressly provides that the award amount and the award-fee determination methodology are unilateral decisions made solely at the discretion of the Gov…
  • FAR 16.505 Ordering.
    …imum guarantee. (E) For orders exceeding the simplified acquisition threshold, a statute expressly authorizes or requires that the purchase be made from a specified source. (F) In accordance with section 1331 of Public Law 111-240 (15 U.S…
  • FAR 17.208 Solicitation provisions and contract clauses.
    … inclusion of an option is appropriate (see 17.200 and 17.202) and the option quantity is expressed as a percentage of the basic contract quantity or as an additional quantity of a specific line item. (e) Insert a clause substantially the …
  • FAR 19.302 Protesting a small business representation or rerepresentation.
    …in writing if it is delivered to the contracting officer by hand, mail, facsimile, email, express or overnight delivery service. (4) Except as provided in paragraph (d)(6) of this section, a protest filed by the contracting officer or SBA …
  • FAR 19.804-2 Agency offering.
    …ing requirements, if applicable. (12) Identification of all 8(a) participants which have expressed an interest in being considered for the acquisition. (13) Identification of all SBA field offices that have asked for the acquisition for t…
  • FAR 27.201-2 Contract clauses.
    …, or methods that are nonstandard, noncommercial, or special, the contracting officer may expressly exclude them from the patent indemnification by using the clause with its Alternate I. Note that this exclusion is for items, as distinguish…
  • FAR 28.101-2 Solicitation provision or contract clause.
    … least 20 percent of the bid price but shall not exceed $3 million. When the penal sum is expressed as a percentage, a maximum dollar limitation may be stated.
  • FAR 52.212-3 Offeror Representations and Certifications—Commercial Products and Commercial Services.
    …ation from the Office of Foreign Assets Control in the Department of the Treasury, or are expressly exempted under Federal law from the requirement to be conducted under such authorization; (3) Consist of providing goods or services to mar…
  • FAR 52.216-10 Incentive Fee.
    …contract as unusually hazardous or as a nuclear risk and against which the Government has expressly agreed to indemnify the Contractor. (5) All other allowable costs are included in total allowable cost for fee adjustment in accordance wit…
  • FAR 52.216-16 Incentive Price Revision—Firm Target.
    … any amount for that purpose. (m) Separate reimbursement. If any clause of this contract expressly provides that the cost of performance of an obligation shall be at Government expense, that expense shall not be included in any target pric…
  • FAR 52.216-17 Incentive Price Revision—Successive Targets.
    … any amount for that purpose. (o) Separate reimbursement. If any clause of this contract expressly provides that the cost of performance of an obligation shall be at Government expense, that expense shall not be included in any target pric…
  • FAR 52.222-41 Service Contract Labor Standards.
    … less than the wage rate for their level of progress set forth in the registered program, expressed as the appropriate percentage of the journeyman's rate contained in the applicable wage determination. The allowable ratio of apprentices to…
  • FAR 52.247-33 F.o.b. Origin, With Differentials.
    …dicate differentials that may be added to the offered price. These differentials shall be expressed as a rate in cents for each 100 pounds (CWT) of the supplies for one or more of the options under this clause that the Government may specif…
  • DFARS 227.7203-2 Acquisition of other than commercial computer software and computer software documentation and associated rights.
    …tware documentation requirements included in solicitations are consistent with the policy expressed in 227.7203-1. (b)(1) Data managers or other requirements personnel are responsible for identifying the Government's life-cycle needs for c…
  • DFARS 239.7402 Policy.
    …s concerning common carrier services where— (A) The governmental regulatory body has not expressed itself; (B) The governmental regulatory body has declined jurisdiction; or (C) There is no governmental regulatory body to decide. (b) Se…
  • DFARS 252.227-7014 Rights in Other Than Commercial Computer Software and Other Than Commercial Computer Software Documentation.
    …time to satisfy the delivery requirements of this contract; or (4) Satisfies a criterion expressed in paragraph (1), (2), or (3) of this definition and would require only minor modification to meet the requirements of this contract. Compu…
  • DFARS 252.227-7018 Rights in Other Than Commercial Technical Data and Computer Software—Small Business Innovation Research Program and Small Business Technology Transfer Program.
    …time to satisfy the delivery requirements of this contract; or (4) Satisfies a criterion expressed in paragraph (1), (2), or (3) of this definition and would require only minor modification to meet the requirements of this contract. Compu…

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.