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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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21 sections with “base bid item”

  • DFARS 252.236-7007 Additive or deductive items.
    …herwise eligible for award; and (ii) Offers the lowest aggregate amount for the first or base bid item, plus or minus (in the order stated in the list of priorities in the bid schedule) those additive or deductive items that provide the mo…
  • DFARS 252.216-7001 Economic Price Adjustment-Nonstandard Steel Items.
    … Adjustment—Nonstandard Steel Items (JAN 2023) (a) Definitions. As used in this clause— Base labor index means the average of the labor indices for the three months which consist of the month of bid opening (or offer submission) and the m…
  • FAR 2.101 Definitions.
    …chase descriptions, or the solicitation (e.g., balance, facility of use, or pattern). Biobased product means a product determined by the U.S. Department of Agriculture to be a commercial product or industrial product (other than food or fe…
  • FAR 7.105 Contents of written acquisition plans.
    …for service contracts or orders must describe the strategies for implementing performance-based acquisition methods or must provide rationale for not using those methods (see subpart 37.6). (a) Acquisition background and objectives—(1) Sta…
  • FAR 31.205-18 Independent research and development and bid and proposal costs.
    …gh the corporate G&A, as appropriate. (ii) If allocations of IR&D or B&P through the G&A base do not provide equitable cost allocation, the contracting officer may approve use of a different base. (c) Allowability. Except as provided in p…
  • FAR 32.1001 Policy.
    (a) Performance-based payments are the preferred Government financing method when the contracting officer finds them practical, and the contractor agrees to their use. (b) Performance-based payments are contract financing payments that are…
  • FAR 52.214-27 Price Reduction for Defective Certified Cost or Pricing Data—Modifications—Sealed Bidding.
    …haracter of the data to the attention of the Contracting Officer; (iii) The contract was based on an agreement about the total cost of the contract and there was no agreement about the cost of each item procured under the contract; or (iv…
  • FAR 52.225-10 Notice of Buy American Requirement—Construction Materials.
    …l evaluate an offer requesting exception to the requirements of the Buy American statute, based on claimed unreasonable cost of domestic construction material, by adding to the offered price the appropriate percentage of the cost of such fo…
  • FAR 52.225-12 Notice of Buy American Requirement—Construction Materials Under Trade Agreements.
    …l evaluate an offer requesting exception to the requirements of the Buy American statute, based on claimed unreasonable cost of domestic construction materials, by adding to the offered price the appropriate percentage of the cost of such f…
  • FAR 52.227-14 Rights in Data—General.
    …Rights in Data—General (MAY 2014) (a) Definitions. As used in this clause— Computer database or database means a collection of recorded information in a form capable of, and for the purpose of, being stored in, processed, and operated on …
  • FAR 52.214-10 Contract Award—Sealed Bidding.
    …unbalanced between line items or subline items. A bid is materially unbalanced when it is based on prices significantly less than cost for some work and prices which are significantly overstated in relation to cost for other work, and if th…
  • FAR 52.214-18 Preparation of Bids—Construction.
    …b) The bid form may require bidders to submit bid prices for one or more items on various bases, including— (1) Lump sum bidding; (2) Alternate prices; (3) Units of construction; or (4) Any combination of subparagraphs (1) through (3) a…
  • FAR 52.214-19 Contract Award—Sealed Bidding—Construction.
    …unbalanced between line items or subline items. A bid is materially unbalanced when it is based on prices significantly less than cost for some work and prices which are significantly overstated in relation to cost for other work, and if th…
  • FAR 52.204-8 Annual Representations and Certifications.
    …s not for acquisition of commercial products or commercial services. (xvii) 52.223-1, Biobased Product Certification. This provision applies to solicitations that require the delivery or specify the use of biobased products in USDA-designa…
  • FAR 52.212-3 Offeror Representations and Certifications—Commercial Products and Commercial Services.
    …n ownership, common management, and contractual relationships. SBA determines affiliation based on the factors set forth at 13 CFR 121.103. Small disadvantaged business concern, consistent with 13 CFR 124.1001, means a small business conce…
  • FAR 52.247-51 Evaluation of Export Offers.
    …own cost to the Government at the overseas port of discharge. All determinations shall be based on availability of ocean services by U.S.-flag vessels only. Additional U.S. port(s) of loading nominated by offeror, if any: ___ (f) Price bas…
  • DFARS 216.203-4-70 Additional provisions and clauses.
    … steel producer and actually manufacture the standard steel mill item referred to in the “base steel index” definition of the clause; and (ii) The items being acquired are nonstandard steel items made wholly or in part of standard steel mi…
  • FAR 22.1802 Policy.
    … who are eligible to work in the United States. The E-Verify program provides an Internet-based means of verifying employment eligibility of workers employed in the United States, but is not a substitute for any other employment eligibility…
  • FAR 52.207-4 Economic Purchase Quantity—Supplies.
    …uisitions in disadvantageous quantities and to assist the Government in developing a data base for future acquisitions of these items. However, the Government reserves the right to amend or cancel the solicitation and resolicit with respect…
  • FAR 52.214-21 Descriptive Literature.
    …duct under paragraph (f) of this provision. A bidder submitting a bid on one of these two bases may not elect to have its bid considered on the alternative basis after the time specified for receipt of bids. The Government will disregard a …
  • DFARS 252.245-7005 Management and Reporting of Government Property.
    …itions provided by the plant clearance officer. (ii) The Contractor may conduct internet-based sales, to include use of a third party. (iii) If the Contractor wishes to bid on the sale, the Contractor or its employees shall submit bids to…

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.