DFARS is the Defense Federal Acquisition Regulation Supplement, the Department of Defense supplement to the Federal Acquisition Regulation. “DFARS compliant” describes a clause-specific claim rather than a single government certification, so its meaning depends on the solicitation or contract. A cybersecurity question may concern covered-information safeguards, while a manufacturing question may concern specialty-metal sourcing. A useful review identifies the incorporated clause, version, information or material involved, and applicable flowdown conditions. Any questionnaire response, bid submission, or written customer representation needs evidence covering the same work and scope as the claim.
What is DFARS?
The Defense Federal Acquisition Regulation Supplement is the Department of Defense supplement to the FAR. Its parts, provisions, and clauses add DoD-specific acquisition rules. A contract doesn’t make every DFARS clause applicable merely because it is a DoD contract. The solicitation and resulting agreement identify the provisions and clauses that apply to the procurement.
That is why “Are you DFARS compliant?” is an incomplete question. Ask which clause, which work, which information, and which point in the acquisition the requester means.
The cybersecurity meaning of “DFARS compliant”
For a contractor handling covered defense information, the question commonly points to DFARS 252.204-7012. The clause addresses safeguarding covered defense information and cyber-incident reporting. Its text includes a subcontract requirement: the contractor must include the clause, including paragraph (m), in subcontracts or similar instruments for operationally critical support or work involving covered defense information, including subcontracts for commercial products or services. The clause says the contractor must determine whether information for subcontract performance retains its identity as covered defense information and, if necessary, consult the contracting officer.
Related clauses are not interchangeable. DFARS 252.204-7019 addresses a current NIST SP 800-171 DoD Assessment for relevant covered contractor information systems when the provision is incorporated. For new solicitations issued under Class Deviation 2026-O0025, effective February 1, 2026, the deviation replaces 7019 and 7020 with 252.240-7997 for government Medium and High assessments. A legacy contract that already incorporates 7019 or 7020 must be read on its own terms. Read the inserted clauses rather than using a general “DFARS compliant” statement as evidence.
The materials meaning of “DFARS compliant”
The phrase may instead concern material sourcing. DFARS 252.225-7009 is titled “Restriction on Acquisition of Certain Articles Containing Specialty Metals.” That is a different question from safeguarding information. A manufacturer needs to identify the delivered article, the contract clause, and any stated exceptions before making a sourcing representation.
The two uses can coexist in one procurement. The examples here are illustrative, not a complete inventory of clauses that may apply. Keep the evidence, owners, and risk separate, then read the solicitation’s incorporated clauses before making any bid representation.
Answering a DFARS questionnaire
Start with a clause-specific response:
- Ask for the solicitation or contract clause number and current text.
- Identify whether the question concerns information security, sourcing, domestic preference, data rights, or another subject.
- Map the requirement to the systems, materials, subcontractors, and records involved in this pursuit.
- State only the status supported by current evidence, and identify any exception or open question.
- Send legal or procurement questions to the responsible contracts team before submitting a representation.
Use the DFARS 252.204 clause-family guide for the cyber-clause relationships, the DFARS 7012 guide for the covered-information clause, how to review a solicitation to keep clause review tied to the bid decision, and the bid-eligibility hub to place it in the larger pursuit review. Deep Fathom can help organize evidence and readiness work. It doesn’t determine which clauses apply or make a legal representation for a contractor.
Official sources
| Source | What it supports in this article |
|---|---|
| Defense Federal Acquisition Regulation Supplement | DFARS structure and current public compilation |
| DFARS 252.204-7012 | Covered-information safeguarding and subcontract flowdown |
| DFARS 252.225-7009 | Specialty-metals sourcing meaning of the phrase |
| DFARS 252.204-7019 | NIST SP 800-171 assessment-status context |
| Class Deviation 2026-O0025, Revision 3 | New-solicitation treatment of 7019, 7020, and 252.240-7997 |