SpendQueryBeta

48 CFR · Federal Acquisition Regulation and Defense supplement

FAR and DFARS navigator

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.

Ask the FAR

Try: · · ·

Clear

150 sections with “required sources”: the first 40

  • DFARS 253.208 Required sources of supplies and services.
  • FAR 8.405-6 Limiting sources.
    …nacceptable delays; (B) Only one source is capable of providing the supplies or services required at the level of quality required because the supplies or services are unique or highly specialized; or (C) In the interest of economy and ef…
  • FAR 7.105 Contents of written acquisition plans.
    …t analysis to the acquisition (see 15.407-4). (4) Capability or performance. Specify the required capabilities or performance characteristics of the supplies or the performance standards of the services being acquired and state how they ar…
  • DFARS 252.246-7008 Sources of Electronic Parts.
    … clause— (A) Promptly notify the Contracting Officer in writing. If such notification is required for an electronic part to be used in a designated lot of assemblies to be acquired under a single contract, the Contractor may submit one not…
  • FAR 2.101 Definitions.
    … an architectural or engineering nature, as defined by State law, if applicable, that are required to be performed or approved by a person licensed, registered, or certified to provide those services; (2) Professional services of an archit…
  • FAR 15.404-1 Proposal analysis techniques.
    …nd circumstances of each acquisition should determine the level of detail of the analysis required. (2) Price analysis shall be used when certified cost or pricing data are not required (see paragraph (b) of this subsection and 15.404-3). …
  • FAR 15.404-4 Profit.
    …1) When the price negotiation is not based on cost analysis, contracting officers are not required to analyze profit. (2) When the price negotiation is based on cost analysis, contracting officers in agencies that have a structured approac…
  • FAR 15.407-4 Should-cost review.
    …s conducted relative to a contractor proposal, a separate audit report on the proposal is required. (2) A program should-cost review should be considered, particularly in the case of a major system acquisition (see part 34), when— (i) Som…
  • FAR 15.408 Solicitation provisions and contract clauses.
    …tations and contracts when it is contemplated that certified cost or pricing data will be required from the contractor or any subcontractor (see 15.403-4). (c) Price Reduction for Defective Certified Cost or Pricing Data—Modifications. The…
  • FAR 19.704 Subcontracting plan requirements.
    (a) Each subcontracting plan required under 19.301-2(e) and 19.702(a)(1)(i), (ii), and (iii) shall include— (1) Separate percentage goals for using small business (including ANCs and Indian tribes), veteran-owned small business, service-di…
  • FAR 41.301 Requirements.
    …e with a proposed contract as provided in 41.203, and the submission of other information required by this part, shall be sent or submitted to the General Services Administration (GSA) region in which service is required. The names and loca…
  • FAR 42.302 Contract administration functions.
    …ration (see 31.109). (7) Determine the allowability of costs suspended or disapproved as required (see subpart 42.8), direct the suspension or disapproval of costs when there is reason to believe they should be suspended or disapproved, an…
  • FAR 52.208-9 Contractor Use of Mandatory Sources of Supply or Services.
    …ain supplies or services to be provided under this contract for use by the Government are required by law to be obtained from nonprofit agencies participating in the program operated by the Committee for Purchase From People Who Are Blind o…
  • FAR 52.216-21 Requirements.
    …order from the Contractor all the supplies or services specified in the Schedule that are required to be purchased by the Government activity or activities specified in the Schedule. (d) The Government is not required to purchase from the …
  • FAR 52.219-9 Small Business Subcontracting Plan.
    …e contract. Master subcontracting plan means a subcontracting plan that contains all the required elements of an individual subcontracting plan, except goals, and may be incorporated into individual subcontracting plans, provided the maste…
  • FAR 52.222-27 Affirmative Action Compliance Requirements for Construction.
    …s of the plan. Each Contractor or subcontractor participating in an approved plan is also required to comply with its obligations under the Equal Opportunity clause, and to make a good faith effort to achieve each goal under the plan in eac…
  • FAR 52.225-19 Contractor Personnel in a Designated Operational Area or Supporting a Diplomatic or Consular Mission Outside the United States.
    …f a chief of mission. (b) General. (1) This clause applies when Contractor personnel are required to perform outside the United States— (i) In a designated operational area during— (A) Contingency operations; (B) Humanitarian or peaceke…
  • DFARS 252.204-7012 Safeguarding Covered Defense Information and Cyber Incident Reporting.
    …ures, in addition to those identified in paragraphs (b)(1) and (2) of this clause, may be required to provide adequate security in a dynamic environment or to accommodate special circumstances (e.g., medical devices) and any individual, iso…
  • DFARS 252.204-7021 Contractor Compliance With the Cybersecurity Maturity Model Certification Level Requirements.
    …ty Model Certification (CMMC) status means the result of meeting or exceeding the minimum required score for the corresponding assessment. The potential statuses are as follows: (1) Final Level 1 (Self). (2) Conditional Level 2 (Self). (…
  • DFARS 252.215-7010 Requirements for Certified Cost or Pricing Data and Data Other Than Certified Cost or Pricing Data.
    …402(a)(i), 215.404-1(b), and 234.7002(e). (2) In cases in which uncertified cost data is required, the information shall be provided in the form in which it is regularly maintained by the Offeror or prospective subcontractor in its busines…
  • DFARS 252.225-7040 Contractor Personnel Supporting U.S. Armed Forces Deployed Outside the United States.
    …t as otherwise provided in the contract, the Contractor accepts the risks associated with required contract performance in such operations. (3) When authorized in accordance with paragraph (j) of this clause to carry arms for personal prot…
  • DFARS 252.244-7001 Contractor Purchasing System Administration.
    …re 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 clauses required to carry out the requirements of…
  • DFARS 252.245-7005 Management and Reporting of Government Property.
    … module generates the electronic equivalent of the DD Form 1149, DD Form 1348-1, or other required shipping documents; (iv) Report when serially-managed items of GFP are incorporated into a higher-level component, assembly, or end item; (…
  • FAR 5.207 Preparation and transmittal of synopses.
    …on requirements, such as a description of high-performance sustainable building practices required, if for design, construction, renovation, repair, or deconstruction (see part 23 and 36.104). (12) For a proposed contract action in an amou…
  • FAR 8.002 Priorities for use of mandatory Government sources.
    (a) Except as required by 8.003, or as otherwise provided 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: …
  • FAR 15.404-2 Data to support proposal analysis.
    …alized resources available at the buying activity and the magnitude and complexity of the required analysis. Field pricing assistance is generally available to provide— (i) Technical, audit, and special reports associated with the cost ele…
  • FAR 27.305-2 Administration by the Government.
    …tor fails to furnish documents or information as called for by the clause within the time required, the contracting officer shall promptly request the contractor to supply the required documents or information. If the failure persists, the …
  • 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 51.102 Authorization to use Government supply sources.
    …file a written finding supporting issuance of the authorization. A written finding is not required when authorizing use of the Government supply sources in accordance with 51.101(c). Except for findings under 51.101(a)(3), the determination…
  • FAR 51.103 Ordering from Government supply sources.
    … access code, when ordering from GSA Customer Supply Centers. (3) Order only those items required in the performance of their contracts.
  • FAR 52.204-10 Reporting Executive Compensation and First-Tier Subcontract Awards.
    …ublic, therefore, the Contractor is responsible for notifying its subcontractors that the required information will be made public. (c) Nothing in this clause requires the disclosure of classified information. (d)(1) Executive compensatio…
  • FAR 52.227-11 Patent Rights—Ownership by the Contractor.
    …e subject inventions. The disclosure format should require, as a minimum, the information required by paragraph (c)(1) of this clause. The Contractor shall instruct such employees, through employee agreements or other suitable educational p…
  • DFARS 227.7103-5 Government rights.
    …not obligated to provide the Government greater rights and the contracting officer is not required to accept lesser rights than the rights provided in the standard grant of license. The situations under which a particular grant of license a…
  • DFARS 236.272 Prequalification of sources.
    …tion contract; and (2) Limits offerors to those with proven competence to perform in the required manner. (b) The head of the contracting activity must— (1) Authorize the use of prequalification by determining, in writing, that a constru…
  • DFARS 252.217-7026 Identification of Sources of Supply.
    …llowing provision: Identification of Sources of Supply (JAN 2023) (a) The Government is required under 10 U.S.C. 4753 to obtain certain information on the actual manufacturer or sources of supplies it acquires. (b) The apparently success…
  • DFARS 252.234-7004 Cost and Software Data Reporting System.
    … for the contractor cost data reports (CCDRs) and software resources data reports (SRDRs) required by the CCDR and SRDR data items of this contract; and (3) The Government-approved CSDR plan for this contract, DD Form 2794, and the related…
  • DFARS 252.251-7000 Ordering from Government supply sources.
    …s Shopping Plate, when ordering from GSA Self-Service Stores; (3) Order only those items required in the performance of Government contracts; and (4) Pay invoices from Government supply sources promptly. For purchases made from DoD supply…
  • FAR 4.803 Contents of contract files.
    …cuments. (3) Evidence of availability of funds. (4) Synopsis of proposed acquisition as required by part 5 or a reference to the synopsis. (5) The list of sources solicited, and a list of any firms or persons whose requests for copies of…
  • FAR 5.102 Availability of solicitations.
    …t. (5) The contracting officer need not make a solicitation available through the GPE as required in paragraph (a)(4) of this section, when— (i) Disclosure would compromise the national security (e.g., would result in disclosure of classi…
  • FAR 5.205 Special situations.
    …te the scope and nature of the effort to be performed and request comments. Notice is not required where the action is required by law. (c) Special notices. Contracting officers may transmit to the GPE special notices of procurement matter…

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.