DFARS Part 252 Solicitation Provisions and Contract Clauses

Part Defense Federal Acquisition Regulation Supplement

Part facts

Citation
DFARS Part 252
Type
Part
Supplements
FAR Part 52 Solicitation Provisions and Contract Clauses
Last amended
90 FR 43560 Effective Nov 10, 2025
Proposed changes
18
Text as of
DFARS Change May 7, 2026
Official text
acquisition.gov

Text from acquisition.gov. Federal Register history from the Federal Register's records of the rules that amended this part.

Contents

Federal Register history

Final rule Published Effective
Defense Federal Acquisition Regulation Supplement: Assessing Contractor Implementation of Cybersecurity Requirements (DFARS Case 2019-D041) 90 FR 43560 · Docket DARS-2020-0034
Defense Federal Acquisition Regulation Supplement: Limitation on Certain Institutes of Higher Education (DFARS Case 2024-D023); Correction 90 FR 41899 · Docket DARS-2024-0025
Defense Federal Acquisition Regulation Supplement; Technical Amendments 90 FR 41480 · Docket DARS-2025-0001
Defense Federal Acquisition Regulation Supplement: Inflation Adjustment of Acquisition-Related Thresholds (DFARS Case 2024-D002) 90 FR 41483 · Docket DARS-2024-0039
Defense Federal Acquisition Regulation Supplement: Preventing Conflicts of Interest for Certain Consulting Services (DFARS Case 2024-D007) 90 FR 41487 · Docket DARS-2024-0029
Defense Federal Acquisition Regulation Supplement: Limitation on Certain Institutes of Higher Education (DFARS Case 2024-D023) 90 FR 41492 · Docket DARS-2024-0025
Defense Federal Acquisition Regulation Supplement; Technical Amendments 90 FR 5735 · Docket DARS-2024-0001
Defense Federal Acquisition Regulation Supplement: Definition of Material Weakness (DFARS Case 2021-D006) 90 FR 5725 · Docket DARS-2024-0020
Defense Federal Acquisition Regulation Supplement: Update of Challenge Period for Validation of Asserted Restrictions on Technical Data and Computer Software (DFARS Case 2022-D016) 90 FR 5736 · Docket DARS-2022-0030
Defense Federal Acquisition Regulation Supplement: Small Business Innovation Research Program Data Rights (DFARS Case 2019-D043) 89 FR 103338 · Docket DARS-2020-0033
Defense Federal Acquisition Regulation Supplement: Pilot Program To Incentivize Contracting With Employee-Owned Businesses (DFARS Case 2024-D004) 89 FR 82183 · Docket DARS-2024-0017
Defense Federal Acquisition Regulation Supplement: Procurement Technical Assistance Program (DFARS Case 2024-D006) 89 FR 82188 · Docket DARS-2024-0018
Defense Federal Acquisition Regulation Supplement: Modification of Notification of Intent To Transport Supplies by Sea (DFARS Case 2020-D026) 89 FR 78990 · Docket DARS-2024-0007
Defense Federal Acquisition Regulation Supplement: Preference for United States Vessels in Transporting Supplies By Sea (DFARS Case 2021-D020) 89 FR 78992 · Docket DARS-2024-0013
Defense Federal Acquisition Regulation Supplement: Assuring Integrity of Overseas Fuel Supplies (DFARS Case 2022-D013) 89 FR 78997 · Docket DARS-2024-0002
Defense Federal Acquisition Regulation Supplement: Sustainable Procurement (DFARS Case 2024-D024) 89 FR 66283 · Docket DARS-2024-0026
Defense Federal Acquisition Regulation Supplement; Technical Amendments 89 FR 66285 · Docket DARS-2024-0001
Defense Federal Acquisition Regulation Supplement; Technical Amendments 89 FR 60830 · Docket DARS-2024-0001
Defense Federal Acquisition Regulation Supplement: Restriction on Certain Metal Products (DFARS Case 2021-D015) 89 FR 46816 · Docket DARS-2023-0018
Defense Federal Acquisition Regulation Supplement: Limitation on the Acquisition of Certain Goods Other Than United States Goods (DFARS Case 2021-D022) 89 FR 46811 · Docket DARS-2023-0042
Defense Federal Acquisition Regulation Supplement: Data Requirements for Commercial Products for Major Weapon Systems (DFARS Case 2023-D010) 89 FR 46805 · Docket DARS-2023-0047
Defense Federal Acquisition Regulation Supplement; Technical Amendments 89 FR 46821 · Docket DARS-2024-0001
Defense Federal Acquisition Regulation Supplement: Replacement of Fluorinated Aqueous Film-Forming Foam (DFARS Case 2020-D011) 89 FR 20869 · Docket DARS-2023-0028
Defense Federal Acquisition Regulation Supplement: Trade Agreements Thresholds (DFARS Case 2023-D023) 89 FR 20871 · Docket DARS-2024-0008
Defense Federal Acquisition Regulation Supplement: DFARS Buy American Act Requirements (DFARS Case 2022-D019) 89 FR 11950 · Docket DARS-2023-0024
Defense Federal Acquisition Regulation Supplement: Transfer and Adoption of Military Animals (DFARS Case 2020-D021) 89 FR 11745 · Docket DARS-2023-0016
Defense Federal Acquisition Regulation Supplement: Consolidation of DoD Government Property Clauses (DFARS Case 2020-D029) 88 FR 88533 · Docket DARS-2023-0017
Defense Federal Acquisition Regulation Supplement: Inapplicability of Certain Laws and Regulations to Commercial Items (DFARS Case 2017-D010) 88 FR 80462 · Docket DARS-2018-0035
Defense Federal Acquisition Regulation Supplement; Technical Amendments 88 FR 80465 · Docket DARS-2023-0001
Show 19 more

Latest 29 of 1,039 listed here. See the rest on GovTribe.

Proposed changes

Proposed rule Published Comments
Defense Federal Acquisition Regulation Supplement: Modifications to Printed Circuit Board Acquisition Restrictions (DFARS Case 2022-D011) 91 FR 40508 · Docket DARS-2026-0298 Closed Aug 31, 2026No final rule found
Defense Federal Acquisition Regulation Supplement: Small Purchase Exception for the Acquisition of U.S. Flags (DFARS Case 2024-D013) 91 FR 38386 · Docket DARS-2026-0265 Closed Aug 24, 2026No final rule found
Defense Federal Acquisition Regulation Supplement: Certification Requirement for Military Recruitment Advertising (DFARS Case 2024-D022) 91 FR 38382 · Docket DARS-2026-0266 Closed Aug 24, 2026No final rule found
Defense Federal Acquisition Regulation Supplement: Mitigating Risks Related to Foreign Ownership, Control, or Influence (DFARS Case 2021-D011) 91 FR 24783 · Docket DARS-2026-0133 Closed Jul 6, 2026No final rule found
Defense Federal Acquisition Regulation Supplement: Disclosure of DoD Funding in Technical Publications (DFARS Case 2024-D003) 90 FR 41495 · Docket DARS-2025-0071 Closed Oct 24, 2025No final rule found
Defense Federal Acquisition Regulation Supplement: 8(a) Program (DFARS Case 2024-D025) 90 FR 33912 · Docket DARS-2024-0032 No final rule found
Defense Federal Acquisition Regulation Supplement: Public Access to Results of Federally Funded Research (DFARS Case 2020-D028) 90 FR 33911 · Docket DARS-2024-0027 No final rule found
Defense Federal Acquisition Regulation Supplement: Disclosure of Information Regarding Foreign Obligations (DFARS Case 2018-D064) 89 FR 90254 · Docket DARS-2024-0034 Closed Jan 14, 2025No final rule found
Defense Federal Acquisition Regulation Supplement: Cost and Software Data Reporting for Major Weapons Systems (2021-D028) 89 FR 82193 · Docket DARS-2024-0031 Closed Dec 9, 2024No final rule found
Defense Federal Acquisition Regulation Supplement: 8(a) Program (DFARS Case 2024-D025) 89 FR 82196 · Docket DARS-2024-0032 Closed Dec 9, 2024No final rule found
Defense Federal Acquisition Regulation Supplement: Public Access to Results of Federally Funded Research (2020-D028) 89 FR 79003 · Docket DARS-2024-0027 Closed Nov 25, 2024No final rule found
Defense Federal Acquisition Regulation Supplement: DoD Cost or Pricing Data Requirements (DFARS Case 2022-D004) 89 FR 79005 · Docket DARS-2024-0028 Closed Nov 25, 2024No final rule found
Defense Federal Acquisition Regulation Supplement: Use of DoD Program Nomenclature (DFARS Case 2021-D002) 89 FR 11803 · Docket DARS-2024-0005 Closed Apr 15, 2024No final rule found
Defense Federal Acquisition Regulation Supplement: Rights in Technical Data (DFARS Case 2019-D044); Extension of Comment Period 88 FR 89358 · Docket DARS-2023-0045 Closed Feb 15, 2024No final rule found
Defense Federal Acquisition Regulation Supplement: Modular Open Systems Approaches (DFARS Case 2021-D005); Extension of Comment Period 88 FR 89357 · Docket DARS-2023-0044 Closed Nov 17, 2023No final rule found
Defense Federal Acquisition Regulation Supplement: Export-Controlled Items (DFARS Case 2018-D053) 88 FR 80478 · Docket DARS-2023-0005 No final rule found
Defense Federal Acquisition Regulation Supplement: Rights in Technical Data (DFARS Case 2019-D044) 88 FR 80260 · Docket DARS-2023-0045 Closed Jan 16, 2024No final rule found
Defense Federal Acquisition Regulation Supplement: Modular Open Systems Approaches (DFARS Case 2021-D005) 88 FR 80258 · Docket DARS-2023-0044 Closed Jan 16, 2024No final rule found

Quick answers

What is DFARS Part 252?

DFARS Part 252 is a part of the Defense Federal Acquisition Regulation Supplement, titled "Solicitation Provisions and Contract Clauses".

When was DFARS Part 252 last changed?

The most recent final rule on record is "Defense Federal Acquisition Regulation Supplement: Assessing Contractor Implementation of Cybersecurity Requirements (DFARS Case 2019-D041)" (90 FR 43560), published Sep 10, 2025 and effective Nov 10, 2025.

Are changes to DFARS Part 252 proposed?

18 proposed changes have no final rule yet.

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