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Home/Glossary/DFARS
Regulation

DFARS

Defense Federal Acquisition Regulation Supplement

Definition

Additional acquisition rules specific to Department of Defense contracts. Includes cybersecurity requirements like CMMC.

Why does DFARS matter?

(Defense Federal Acquisition Regulation Supplement) is a regulation concept federal contractors and grant writers run into across solicitations, regulations, and award filings

Source: Bureauify editorial review·Last updated 2026-06-06 by Bureauify

Where this matters in federal contracting

DFARS is part of the federal regulatory framework that governs procurement, performance, or compliance. For contractors, DFARS is not just background — it shapes solicitation language, evaluation criteria, source-selection authority, and what counts as compliant performance. Understanding when DFARS applies and (more importantly) when it doesn't apply is the difference between a proposal that's competitive within its actual constraint set and one that over-engineers compliance. Contracting officers use DFARS as common vocabulary, so reading their decisions, modifications, and source-selection memoranda gets easier when the regulation is in your working memory. Pair DFARS with the related terms above to see how it interacts with adjacent regulatory mechanisms.

What can I do?

FollowSave

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  1. 1.Discover — you are here
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Related Terms

FARCMMC

More regulation terms

FedRAMPITAREARNISTFISMACertified Cost or Pricing DataTruth in NegotiationsTINADavis-BaconBuy AmericanFAR Part 8FAR Part 15

Frequently Asked Questions

What is DFARS in government contracting?▾
Additional acquisition rules specific to Department of Defense contracts. Includes cybersecurity requirements like CMMC.
Why is DFARS important for government contractors?▾
Defense Federal Acquisition Regulation Supplement is a regulation governing federal procurement. Compliance with acquisition regulations is mandatory for all government contractors and is evaluated during source selection.

Find DFARS-related opportunities

Search active federal contracts and solicitations related to DFARS on Bureauify.

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Industries

  • IT Services & Software
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  • Security Guards
  • Research & Development
  • Data Analytics & AI
  • Manufacturing
  • Logistics
  • All Industries

Set-Asides

  • Small Business
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