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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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64 sections with “major service acquisition”: the first 40

  • FAR 27.406-3 Major system acquisition.
    …The clause at 52.227-21, Technical Data Declaration, Revision, and Withholding of Payment—Major Systems, implements 41 U.S.C. 2302(e). When using the clause at 52.227-21, the section of the contract specifying data delivery requirements (se…
  • DFARS 207.106 Additional requirements for major systems.
    …prohibited by 10 U.S.C. 3208(d)(1) from requiring offers for development or production of major systems that would enable the Government to use technical data to competitively reprocure identical items or components of the system if the ite…
  • FAR 7.105 Contents of written acquisition plans.
    …urce(s), and discuss why full and open competition cannot be obtained. (ii) Identify the major components or subsystems. Discuss component breakout plans relative to these major components or subsystems. Describe how competition will be so…
  • FAR 7.106 Additional requirements for major systems.
    (a) In planning for the solicitation of a major system (see part 34) development contract, planners shall consider requiring offerors to include, in their offers, proposals to incorporate in the design of a major system— (1) Items which ar…
  • DFARS 234.004 Acquisition strategy.
    …818 of the National Defense Authorization Act for Fiscal Year 2007 (Pub. L. 109-364), for major defense acquisition programs at Milestone B— (A) The milestone decision authority shall select, with the advice of the contracting officer, the…
  • DFARS 252.225-7051 Prohibition on Acquisition of Certain Foreign Commercial Satellite Services.
    …trust, corporation or division of a corporation, or organization that demonstrates that a majority of the equity interest in such entity is ultimately owned by U.S. nationals is not a foreign entity. (31 CFR 800.212) Government of a covere…
  • DFARS 237.102-72 Contracts for management services.
    … perform acquisition support functions with respect to the development or production of a major system, only if— (a) The contract prohibits the contractor from performing inherently governmental functions; (b) The DoD organization respons…
  • FAR 2.101 Definitions.
    … (see 9.505-1(b)) to ensure the effective operation and maintenance of a weapon system or major system as defined in OMB Circular No. A-109 or to provide direct support of a weapon system that is essential to research, development, producti…
  • FAR 6.302-1 Only one responsible source and no other supplies or services will satisfy agency requirements.
    …urce in the case of a follow-on contract for the continued development or production of a major system or highly specialized equipment, including major components thereof, when it is likely that award to any other source would result in— (…
  • FAR 15.407-2 Make-or-buy programs.
    …nformation required from a contractor in a make-or-buy program shall be confined to those major items or work efforts that normally would require company management review of the make-or-buy decision because they are complex, costly, needed…
  • FAR 27.409 Solicitation provisions and contract clauses
    …the clause at 52.227-21, Technical Data Declaration, Revision, and Withholding of Payment—Major Systems, in contracts for major systems acquisitions or for support of major systems acquisitions. This requirement includes contracts for detai…
  • FAR 48.102 Policies.
    …ram requirement clause (52.248-1, Alternates I or II) in initial production contracts for major systems programs (see definition of major system in 34.001) and for contracts for major systems research and development except where the contra…
  • DFARS 203.170 Business practices.
    … policies: (a) Senior leaders shall not perform multiple roles in source selection for a major weapon system or major service acquisition. (b) Vacant acquisition positions shall be filled on an “acting” basis from below until a permanent …
  • DFARS 208.7003-2 Assignments under coordinated acquisition.
    …e only from the original source for follow-on contract); (j) Items directly related to a major system and which are design controlled by and acquired from either the system manufacturer or a manufacturer of a major subsystem; (k) Items su…
  • DFARS 209.570-2 Policy.
    … prohibits any entity performing lead system integrator functions in the acquisition of a major system by DoD from having any direct financial interest in the development or construction of any individual system or element of any system of …
  • DFARS 209.571-1 Definitions.
    …ith system responsibility means a prime contractor for the development or production of a major system, if the prime contractor is not expected at the time of award to perform a substantial portion of the work on the system and the major su…
  • DFARS 209.571-6 Identification of organizational conflicts of interest.
    When evaluating organizational conflicts of interest for major defense acquisition programs or pre-major defense acquisition programs, contracting officers shall consider— (a) The ownership of business units performing systems engineering …
  • DFARS 252.215-7010 Requirements for Certified Cost or Pricing Data and Data Other Than Certified Cost or Pricing Data.
    … determination, and if available, a Government point of contact; (B) For subsystems of a major weapon system and components and spare parts of a major weapon system or subsystem of a major weapon system that have not previously been determ…
  • FAR 7.401 Acquisition considerations.
    …aph (a) is not required— (1) When the President has issued an emergency declaration or a major disaster declaration pursuant to the Robert T. Stafford Disaster Relief and Emergency Assistance Act (42 U.S.C. 5121 et seq.); (2) In other eme…
  • FAR 18.202 Defense or recovery from certain events.
    …provision of international disaster assistance; or to support response to an emergency or major disaster. (See 2.101.) (b) Simplified acquisition threshold. The threshold increases when the head of the agency determines the supplies or ser…
  • FAR 31.205-6 Compensation for personal services.
    …e payment. (4) No presumption of allowability will exist where the contractor introduces major revisions of existing compensation plans or new plans and the contractor has not provided the cognizant ACO, either before implementation or wit…
  • FAR 48.201 Clauses for supply or service contracts.
    …contracts for items requiring an extended period for production (e.g., ship construction, major system acquisition), if agency procedures prescribe sharing of future contract savings on all units to be delivered under contracts awarded duri…
  • FAR 52.204-23 Prohibition on Contracting for Hardware, Software, and Services Developed or Provided by Kaspersky Lab Covered Entities.
    … under common control with Kaspersky Lab; or (4) Any entity of which Kaspersky Lab has a majority ownership. (b) Prohibition. Section 1634 of Division A of the National Defense Authorization Act for Fiscal Year 2018 (Pub. L. 115-91) prohi…
  • DFARS 237.7204 Format and clauses for educational service agreements.
    …iculum” means a series of courses having a unified purpose and belonging primarily to one major academic field. It will usually include certain required courses and elective courses within established criteria. Examples include Business Adm…
  • DFARS 252.209-7007 Prohibited Financial Interests for Lead System Integrators.
    …ith system responsibility means a prime contractor for the development or production of a major system, if the prime contractor is not expected at the time of award to perform a substantial portion of the work on the system and the major su…
  • FAR 52.246-26 Reporting Nonconforming Items.
    …al organization, or an organization to which design responsibility has been transferred. Major nonconformance means a nonconformance, other than critical, that is likely to result in failure of the supplies or services, or to materially re…
  • DFARS 202.101 Definitions.
    …ice of the Secretary of Defense. (For emergency acquisition flexibilities, see 218.270.) Major defense acquisition program is defined in 10 U.S.C. 4201. Material weakness means a deficiency or combination of deficiencies in the internal c…
  • DFARS 212.102 Applicability.
    …r “commercial service” definition in FAR 2.101. See 234.7002(b) and (c) for subsystems of major weapon systems and components and spare parts of major weapon systems and of subsystems of major weapon systems; (B) Include the written determ…
  • DFARS 215.403-1 Prohibition on obtaining certified cost or pricing data (10 U.S.C. chapter 271 and 41 U.S.C. chapter 35).
    …ducts or commercial services, except see 234.7002(e) for pricing commercial subsystems of major weapon systems and components and spare parts of major weapon systems and of subsystems of major weapon systems. (B) When applying the commerci…
  • DFARS 252.249-7002 Notification of Anticipated Contract Termination or Reduction.
    …ed Contract Termination or Reduction (DEC 2022) (a) Definition. As used in this clause— Major defense program means a program that is carried out to produce or acquire a major system (as defined in 10 U.S.C. 3041(a)). (b) Scope. This cla…
  • FAR 13.201 General.
    … assistance pursuant to 22 U.S.C. 2292 et seq.; or to support response to an emergency or major disaster (42 U.S.C. 5122), the micro-purchase threshold is— (i) $25,000 in the case of any contract to be awarded and performed, or purchase to…
  • FAR 32.304-2 Certificate of eligibility.
    … loan guarantee would be in the Government's interest. (c) If the contractor has several major national defense contracts, it is normally not necessary to evaluate the eligibility of relatively minor contracts. The determination of eligibi…
  • DFARS 206.304 Approval of the justification.
    …ule for civilian officers or employees) that is comparable to or higher than the grade of major general or rear admiral. (S-70) For a noncompetitive follow-on acquisition to a previous award for the same supply or service supported by a ju…
  • DFARS 215.304 Evaluation factors and significant subfactors.
    …(including machine tools) manufactured in the United States, in source selections for all major defense acquisition programs as defined in 10 U.S.C. 4201. (iii) See 247.573-2(c) for additional evaluation factors required in solicitations f…
  • DFARS 215.404-71-2 Performance risk.
    … should consider using values less than the norm. For innovative efforts that will have a major positive impact on the product or program, the contracting officer may use values above the norm. (e) Evaluation criteria for management/cost c…
  • DFARS 215.407-4 Should-cost review.
    …her to perform a program or overhead should-cost review. (b) Program should-cost review. Major weapon system should-cost program reviews shall be conducted in a manner that is transparent, objective, and provides for the efficiency of the …
  • DFARS 217.172 Multiyear contracts for supplies.
    …g-lead items that are necessary in order to meet a planned delivery schedule for complete major end items that are programmed under the contract to be acquired with funds appropriated for a subsequent fiscal year (including an economic orde…
  • DFARS 252.211-7003 Item Unique Identification and Valuation.
    …e designation means a combination of letters and numerals assigned by the Government to a major end item, assembly or subassembly, as appropriate, to provide a convenient means of differentiating between items having the same basic name and…
  • FAR 4.2104 Waivers.
    … for emergency acquisitions. (i) In the case of an emergency, including a declaration of major disaster, in which prior notice and consultation with the ODNI and prior notice to the FASC is impracticable and would severely jeopardize perfo…
  • FAR 5.102 Availability of solicitations.
    …will answer questions on the solicitation; and (3) Adequate citations to each applicable major Federal law or agency rule with which small business concerns must comply in performing the contract. (d) When electronic commerce (see subpart…

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.