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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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28 sections with “mandatory sources”

  • FAR 52.208-9 Contractor Use of Mandatory Sources of Supply or Services.
    As prescribed in 8.005, insert the following clause: Contractor Use of Mandatory Sources of Supply or Services (MAY 2014) (a) Certain supplies or services to be provided under this contract for use by the Government are required by law to…
  • FAR 8.003 Use of other mandatory sources.
    Agencies shall satisfy requirements for the following supplies or services from or through specified sources, as applicable: (a) Public utility services (see part 41). (b) Printing and related supplies (see subpart 8.8). (c) Leased motor…
  • FAR 8.004 Use of other sources.
    If an agency is unable to satisfy requirements for supplies and services from the mandatory sources listed in 8.002 and 8.003, agencies are encouraged to consider satisfying requirements from or through the non-mandatory sources listed in p…
  • FAR 8.002 Priorities for use of mandatory Government sources.
    …by law, agencies shall satisfy requirements for supplies and services from or through the mandatory Government sources and publications listed below in descending order of priority: (1) Supplies. (i) Inventories of the requiring agency. (…
  • DFARS 208.002 Priorities for use of mandatory Government sources.
    (a)(1) Supplies. (i) See the guidance at PGI 208.002(a)(1)(i) to obtain information on available items in DoD's property inventories. (v) See subpart 208.70, Coordinated Acquisition, and subpart 208.74, Enterprise Software Agreements.
  • FAR 8.005 Contract clause.
    Insert the clause at 52.208-9, Contractor Use of Mandatory Sources of Supply and Services, in solicitations and contracts that require a contractor to provide supplies or services for Government use that are on the Procurement List maintain…
  • FAR 52.248-1 Value Engineering.
    …gulation.) (End of clause) Alternate I (APR 1984). If the contracting officer selects a mandatory value engineering program requirement, substitute the following paragraph (a) for paragraph (a) of the basic clause: (a) General. The Contr…
  • DFARS 202.101 Definitions.
    …idance, and Information (PGI) means a companion resource to the DFARS that— (1) Contains mandatory internal DoD procedures. The DFARS will direct compliance with mandatory procedures using imperative language such as “Follow the procedures…
  • DFARS 252.251-7000 Ordering from Government supply sources.
    …ail, freight, and billing documents are to be directed. (b) When placing orders under nonmandatory schedule contracts and requirements contracts, issued by the General Services Administration (GSA) Office of Information Resources Managemen…
  • DFARS 226.7200 Scope of subpart.
    …10 U.S.C. 3901 note prec.). Nothing in this subpart supersedes the requirement to use the mandatory sources in FAR part 8 or the small business programs in FAR part 19.
  • FAR 2.101 Definitions.
    … in the System for Award Management (SAM) means that— (1) The Contractor has entered all mandatory information, including the unique entity identifier and the Electronic Funds Transfer indicator (if applicable), the Commercial and Governme…
  • FAR 52.225-19 Contractor Personnel in a Designated Operational Area or Supporting a Diplomatic or Consular Mission Outside the United States.
    …e equipment. (l) Evacuation. (1) If the Chief of Mission or Combatant Commander orders a mandatory evacuation of some or all personnel, the Government will provide to United States and third country national Contractor personnel the level …
  • DFARS 252.225-7040 Contractor Personnel Supporting U.S. Armed Forces Deployed Outside the United States.
    …ided by the Contracting Officer. (m) Evacuation. (1) If the Combatant Commander orders a mandatory evacuation of some or all personnel, the Government will provide assistance, to the extent available, to United States and third country nat…
  • DFARS 252.244-7001 Contractor Purchasing System Administration.
    …h and maintain policies and procedures to ensure purchase orders and subcontracts contain mandatory and applicable flowdown clauses, as required by the FAR and DFARS, including terms and conditions required by the prime contract and any cla…
  • FAR 7.105 Contents of written acquisition plans.
    …f those specifications and standards, originally provided for guidance only, shall become mandatory. (b) Plan of action—(1) Sources. (i) Indicate the prospective sources of supplies or services that can meet the need. (ii) Consider requir…
  • FAR 8.704 Purchase priorities.
    …. (b) No other provision of the FAR shall be construed as permitting an exception to the mandatory purchase of items on the Procurement List. (c) The Procurement List identifies those supplies for which the ordering office must obtain a f…
  • FAR 9.202 Policy.
    …edures in subpart 19.6 for referring matters to the Small Business Administration are not mandatory on the contracting officer when the basis for a referral would involve a challenge by the offeror to either the validity of the qualificatio…
  • FAR 15.404-4 Profit.
    …equire cost analysis; and (ii) May prescribe specific exemptions for situations in which mandatory use of a structured approach would be clearly inappropriate. (2) Agencies may use another agency's structured approach. (c) Contracting of…
  • FAR 19.1504 Exclusions.
    …uirements from the 8(a) program; (b) Requirements that can be satisfied through award to mandatory Government sources (see section 8.002); (c) Orders under indefinite-delivery contracts (see subpart 16.5). (But see 16.505(b)(2)(i)(F) for …
  • FAR 24.203 Policy.
    …ons. (b) Contracting officers may receive requests for records that may be exempted from mandatory public disclosure. The exemptions most often applicable are those relating to classified information, to trade secrets and confidential comm…
  • FAR 38.101 General.
    …ts as primary sources of supply. (c) Federal agencies not identified in the schedules as mandatory users may issue orders under the schedules. Contractors are encouraged to accept the orders. (d) Although GSA awards most Federal Supply Sc…
  • FAR 48.101 General.
    …oach should not in itself increase costs to the Government. (2) The second approach is a mandatory program in which the Government requires and pays for a specific value engineering program effort. The contractor must perform value enginee…
  • FAR 51.101 Policy.
    …irs (VA) if they are available from these agencies through their distribution facilities. Mandatory supplies that are not available from DLA/GSA/VA shall be ordered through the appropriate central nonprofit agency (see 52.208-9(c)).
  • DFARS 212.301 Solicitation provisions and contract clauses for the acquisition of commercial products and commercial services.
    … Payment Instructions, as prescribed in 232.7004(b). (C) Use the clause at 252.232-7009, Mandatory Payment by Governmentwide Commercial Purchase Card, as prescribed in 232.1110. (D) Use the clause at 252.232-7010, Levies on Contract Payme…
  • DFARS 213.270 Use of the Governmentwide commercial purchase card.
    …ect to an independent determination that changes the price paid based on application of a mandatory CHAMPUS Maximum Allowable Charge determination that reduces the Government liability below billed charges; (iv) The Government already has …
  • DFARS 234.7100 Policy.
    (a) The cost and software data reporting (CSDR) requirement is mandatory for major defense acquisition programs (as defined in 10 U.S.C. 4201) as specified in DoDI 5000.02, Operation of the Adaptive Acquisition Framework and the DoD 5000.04…
  • DFARS 252.215-7010 Requirements for Certified Cost or Pricing Data and Data Other Than Certified Cost or Pricing Data.
    … it were inserted here in full text. The instructions in Table 15-2 are incorporated as a mandatory format to be used in any resultant contract, unless the Contracting Officer and the Offeror agree to a different format and change this prov…
  • DFARS 252.226-7003 Drug-Free Work Force.
    …d to those substances for which testing is prescribed by section 2.1 of subpart B of the “Mandatory Guidelines for Federal Workplace Drug Testing Programs” (53 FR 11980 (April 11 1988)), issued by the Department of Health and Human Services…

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.