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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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52 sections with “system modifications”: the first 40

  • FAR 52.234-2 Notice of Earned Value Management System—Preaward Integrated Baseline Review.
    …s prescribed in 34.203(a) use the following provision: Notice of Earned Value Management System—Preaward Integrated Baseline Review (NOV 2016) (a) The offeror shall provide documentation that the Cognizant Federal Agency has determined th…
  • FAR 52.234-3 Notice of Earned Value Management System—Postaward Integrated Baseline Review.
    …s prescribed in 34.203(b) use the following provision: Notice of Earned Value Management System—Postaward Integrated Baseline Review (NOV 2016) (a) The offeror shall provide documentation that the Cognizant Federal Agency has determined t…
  • FAR 52.234-4 Earned Value Management System.
    As prescribed in 34.203(c), insert the following clause: Earned Value Management System (NOV 2016) (a) The Contractor shall use an earned value management system (EVMS) that has been determined by the Cognizant Federal Agency (CFA) to be …
  • DFARS 252.234-7001 Notice of Earned Value Management System.
    …prescribed in 234.203(1), use the following provision: Notice of Earned Value Management System (APR 2008) (a) If the offeror submits a proposal in the amount of $50,000,000 or more— (1) The offeror shall provide documentation that the C…
  • DFARS 252.234-7002 Earned Value Management System.
    As prescribed in 234.203(2), use the following clause: Earned Value Management System (Jan 2025) (a) Definitions. As used in this clause— Acceptable earned value management system means an earned value management system that generally co…
  • DFARS 223.7304 Exceptions.
    The prohibition in 223.7303 does not apply to— (a) Legacy systems and their related parts, subsystems, and components that already contain hexavalent chromium. However, alternatives to hexavalent chromium shall be considered by the appropr…
  • FAR 2.101 Definitions.
    …anizations, activities (including management and support services for R&D activities), or systems. These services are normally closely related to the basic responsibilities and mission of the agency originating the requirement for the acqui…
  • FAR 7.101 Definitions.
    …n more efficient and effective use of resources to design and develop, or produce quality systems. This includes ensuring that only necessary and cost-effective requirements are included, at the most appropriate time in the acquisition cycl…
  • FAR 31.205-18 Independent research and development and bid and proposal costs.
    …bsidiaries, and affiliates of the contractor under common control. Development means the systematic use, under whatever name, of scientific and technical knowledge in the design, development, test, or evaluation of a potential new product …
  • FAR 42.302 Contract administration functions.
    …30-4, 52.230-5, and 52.230-6. (12) Determine the adequacy of the contractor's accounting system. The contractor's accounting system should be adequate during the entire period of contract performance. The adequacy of the contractor's accou…
  • FAR 52.204-28 Federal Acquisition Supply Chain Security Act Orders—Federal Supply Schedules, Governmentwide Acquisition Contracts, and Multi-Agency Contracts.
    …7 U.S.C. 153); (3) The processing of information on a Federal or non-Federal information system, subject to the requirements of the Controlled Unclassified Information program (see 32 CFR part 2002); or (4) Hardware, systems, devices, sof…
  • FAR 52.204-30 Federal Acquisition Supply Chain Security Act Orders—Prohibition.
    …7 U.S.C. 153); (3) The processing of information on a Federal or non-Federal information system, subject to the requirements of the Controlled Unclassified Information program (see 32 CFR part 2002); or (4) Hardware, systems, devices, sof…
  • FAR 52.212-4 Contract Terms and Conditions—Commercial Products and Commercial Services.
    …tation provision, contract clause (e.g., 52.232-33, Payment by Electronic Funds Transfer— System for Award Management, or 52.232-34, Payment by Electronic Funds Transfer—Other Than System for Award Management), or applicable agency procedur…
  • FAR 52.244-2 Subcontracts.
    …: Subcontracts (JUN 2020) (a) Definitions. As used in this clause— Approved purchasing system means a Contractor's purchasing system that has been reviewed and approved in accordance with Part 44 of the Federal Acquisition Regulation (FA…
  • FAR 52.245-1 Government Property.
    …accepted accounting principles. (b) Property management. (1) The Contractor shall have a system of internal controls to manage (control, use, preserve, protect, repair, and maintain) Government property in its possession. The system shall …
  • DFARS 242.302 Contract administration functions.
    …onsibilities with regard to receipt of an audit report identifying significant accounting system or related internal control weaknesses or deficiencies. (9) For additional contract administration functions related to IR&D projects and B&P …
  • DFARS 242.7203 Review procedures.
    … more material weaknesses due to the contractor's failure to meet one or more of the MMAS system criteria in the clause at 252.242-7004, the contracting officer shall— (A) Promptly make an initial written determination on any material weak…
  • FAR 44.201-1 Consent requirements.
    (a) If the contractor has an approved purchasing system, consent is required for subcontracts specifically identified by the contracting officer in the subcontracts clause of the contract. The contracting officer may require consent to subc…
  • FAR 52.246-19 Warranty of Systems and Equipment under Performance Specifications or Design Criteria.
    …c)(1), the contracting officer may insert a clause substantially as follows: Warranty of Systems and Equipment Under Performance Specifications or Design Criteria (MAY 2001) (a) Definitions. As used in this clause— Acceptance means the a…
  • DFARS 212.301 Solicitation provisions and contract clauses for the acquisition of commercial products and commercial services.
    … acquiring information technology, whether as a service or as a supply, that is a covered system, is a part of a covered system, or is in support of a covered system, as defined in 239.7301. (f) The following additional provisions and clau…
  • FAR 10.002 Procedures.
    …nferences to involve potential offerors early in the acquisition process. (ix) Reviewing systems such as the System for Award Management, the Federal Procurement Data System, and the Small Business Administration's Dynamic Small Business S…
  • FAR 44.101 Definitions.
    As used in this part— Approved purchasing system means a contractor's purchasing system that has been reviewed and approved in accordance with this part. Contractor means the total contractor organization or a separate entity of it, such …
  • DFARS 204.1603 Procedures.
    … to identify purchase orders and task or delivery orders issued by the enterprise FedMall system. (2) Use S to identify broad agency announcements and commercial solutions openings. (3) Use T to identify automated requests for quotations …
  • FAR 15.408 Solicitation provisions and contract clauses.
    …furnish supporting breakdowns for each cost element, consistent with your cost accounting system. E. When more than one line item is proposed, you must also provide summary total amounts covering all line items for each element of cost. F…
  • FAR 16.505 Ordering.
    … specified in the contract (see 32.1110(e)). (ix) North American Industry Classification System code (see 19.102(b)(3)). (8) Orders placed under a task-order contract or delivery-order contract awarded by another agency (i.e., a Governmen…
  • FAR 44.302 Requirements.
    … of this section, at least every three years the ACO shall determine whether a purchasing system review is necessary. If necessary, the cognizant contract administration office will conduct a purchasing system review.
  • FAR 52.212-1 Instructions to Offerors—Commercial Products and Commercial Services.
    …l Products and Commercial Services (SEP 2023) (a) North American Industry Classification System (NAICS) code and small business size standard. The NAICS code(s) and small business size standard(s) for this acquisition appear elsewhere in t…
  • FAR 52.216-5 Price Redetermination—Prospective.
    …enough to reflect recent cost experience (taking into account the Contractor's accounting system), but early enough to permit review, audit (if necessary), and negotiation before the start of the prospective period. (3) Insert first, excep…
  • DFARS 215.408 Solicitation provisions and contract clauses.
    (1) Use the clause at 252.215-7002, Cost Estimating System requirements, in all solicitations and contracts to be awarded on the basis of certified cost or pricing data. (2) When contracting with the Canadian Commercial Corporation— (i)(A…
  • FAR 4.601 Definitions.
    …(CAR) means contract action data required to be entered into the Federal Procurement Data System (FPDS). Definitive contract means any contract that must be reported to FPDS other than an indefinite delivery vehicle. This definition is onl…
  • FAR 4.803 Contents of contract files.
    … by the contract administration office. (5) Preaward survey information. (6) Purchasing system information. (7) Consent to subcontract or purchase. (8) Performance and payment bonds and surety information. (9) Postaward conference reco…
  • FAR 4.903 Reporting contract information to the IRS.
    …etion date. (d) Transmit the information to the IRS through the Federal Procurement Data System (see Subpart 4.6 and implementing instructions).
  • FAR 4.1603 Procedures.
    …aximum is used, do not use leading or trailing zeroes to make it equal the maximum in any system or data transmission. A separate series of numbers may be used for any type of instrument listed in paragraph (a)(3) of this section. An agency…
  • FAR 14.303 Modification or withdrawal of bids.
    …ata received shall not be viewed and shall be purged from primary and backup data storage systems.
  • FAR 14.304 Submission, modification, and withdrawal of bids.
    …not be viewed and, where practicable, must be purged from primary and backup data storage systems. (f) The contracting officer must promptly notify any bidder if its bid, modification, or withdrawal was received late, and must inform the b…
  • FAR 15.208 Submission, modification, revision, and withdrawal of proposals.
    …nsmitted proposals that are withdrawn must be purged from primary and backup data storage systems after a copy is made for the file. Extremely bulky proposals must only be returned at the offeror's request and expense. (f) The contracting …
  • FAR 15.407-1 Defective certified cost or pricing data.
    …ination is reported into the FAPIIS module of Contractor Performance Assessment Reporting System (CPARS) in the event of a— (1) Contracting officer's decision in accordance with the Contract Disputes statute; (2) Board of Contract Appeals…
  • FAR 19.702 Statutory requirements.
    …. For a multiple-award contract with more than one North American Industry Classification System (NAICS) code, see paragraph (a)(2)(i) of this section. (ii) In sealed bidding acquisitions, each invitation for bids to perform a contract tha…
  • FAR 22.1802 Policy.
    …erminate a contractor's memorandum of understanding (MOU) and deny access to the E-Verify system in accordance with the terms of the MOU. If DHS or SSA terminates a contractor's MOU, the terminating agency must refer the contractor to a sus…
  • FAR 31.105 Construction and architect-engineer contracts.
    …s other direct and indirect costs charged to the contract. If the contractor's accounting system provides for site or home office overhead allocations, all costs which are included in the equipment allowances may need to be included in any …

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.