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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8 sections with “multiyear authority”

  • DFARS 217.171 Multiyear contracts for services.
    (a) The head of the agency may enter into a multiyear contract for a period of not more than 5 years for the following types of services (and items of supply relating to such services), even though funds are limited by statute to obligation…
  • DFARS 217.172 Multiyear contracts for supplies.
    (a) This section applies to all multiyear contracts for supplies, including weapon systems and other multiyear acquisitions specifically authorized by law (10 U.S.C. 3501). (b) The head of the agency may enter into a multiyear contract for…
  • FAR 17.106-3 Special procedures applicable to DoD, NASA, and the Coast Guard.
    … In order to broaden the defense industrial base, to the maximum extent practicable— (1) Multiyear contracting shall be used in such a manner as to seek, retain, and promote the use under such contracts of companies that are subcontractors…
  • DFARS 217.170 General.
    (a) Before awarding a multiyear contract, the head of the agency must compare the cost of that contract to the cost of an annual procurement approach, using a present value analysis. Do not award the multiyear contract unless the analysis s…
  • DFARS 217.174 Multiyear contracts for electricity from renewable energy sources.
    …ars. (c) Nothing in this section shall be construed to preclude the DoD from using other multiyear contracting authority of DoD to purchase renewable energy.
  • DFARS 241.103 Statutory and delegated authority.
    …C. 2913 for a period not to exceed 25 years. (3) See 217.174 for authority to enter into multiyear contracts for electricity from renewable energy sources. (4) See PGI 241.103 for statutory authorities and maximum contract periods for uti…
  • FAR 37.106 Funding and term of service contracts.
    …total amount of an action entered into under this authority. (c) Agencies with statutory multiyear authority shall consider the use of this authority to encourage and promote economical business operations when acquiring services.
  • FAR 7.105 Contents of written acquisition plans.
    … IBR. (5) Acquisition considerations. (i) For each contract contemplated, discuss use of multiyear contracting, options, or other special contracting methods (see part 17); any special clauses, special solicitation provisions, or FAR devia…

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.