DFARS Part 217 Special Contracting Methods

Part Defense Federal Acquisition Regulation Supplement

Part facts

Citation
DFARS Part 217
Type
Part
Supplements
FAR Part 17 Special Contracting Methods
Last amended
90 FR 43560 Effective Nov 10, 2025
Proposed changes
2
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: Inflation Adjustment of Acquisition-Related Thresholds (DFARS Case 2024-D002) 90 FR 41483 · Docket DARS-2024-0039
Defense Federal Acquisition Regulation Supplement; Technical Amendments 90 FR 5735 · Docket DARS-2024-0001
Defense Federal Acquisition Regulation Supplement: Data Universal Numbering System to Unique Entity Identifier Transition (DFARS Case 2022-D023) 89 FR 79001 · Docket DARS-2024-0030
Defense Federal Acquisition Regulation Supplement; Technical Amendments 89 FR 60830 · Docket DARS-2024-0001
Defense Federal Acquisition Regulation Supplement; Technical Amendments 88 FR 73234 · Docket DARS-2023-0001
Defense Federal Acquisition Regulation Supplement; Technical Amendments 88 FR 37793 · Docket DARS-2023-0001
Defense Federal Acquisition Regulation Supplement: Undefinitized Contract Actions (DFARS Case 2021-D003) 88 FR 33835 · Docket DARS-2022-0026
Defense Federal Acquisition Regulation Supplement: Definition of “Commercial Item” (DFARS Case 2018-D066) 88 FR 6578 · Docket DARS-2022-0004
Defense Federal Acquisition Regulation Supplement: Contract Authority for Development and Demonstration of Prototypes (DFARS Case 2021-D025) 87 FR 25144 · Docket DARS-2021-0020
Defense Federal Acquisition Regulation Supplement: Technical Amendments 86 FR 59869 · Docket DARS-2021-0001
Defense Federal Acquisition Regulation Supplement: Assessing Contractor Implementation of Cybersecurity Requirements (DFARS Case 2019-D041); Correction 85 FR 65733 · Docket DARS-2020-0034
Defense Federal Acquisition Regulation Supplement: Inflation Adjustment of Acquisition-Related Thresholds (DFARS Case 2019-D036) 85 FR 61502 · Docket DARS-2020-0002
Defense Federal Acquisition Regulation Supplement: Assessing Contractor Implementation of Cybersecurity Requirements (DFARS Case 2019-D041) 85 FR 61505 · Docket DARS-2020-0034
Defense Federal Acquisition Regulation Supplement: Use of Fixed-Price Contracts (DFARS Case 2017-D024) 84 FR 65304 · Docket DARS-2019-0008
Defense Federal Acquisition Regulation Supplement: Restrictions on Use of Lowest Price Technically Acceptable Source Selection Process (DFARS Case 2018-D010) 84 FR 50785 · Docket DARS-2018-0055
Defense Federal Acquisition Regulation Supplement: Technical Amendments 84 FR 48510 · Docket DARS-2019-0001
Defense Federal Acquisition Regulation Supplement: Undefinitized Contract Actions (DFARS Case 2018-D008) 84 FR 39204 · Docket DARS-2019-0004
Defense Federal Acquisition Regulation Supplement: Modification of DFARS Clause “Surge Option” (DFARS Case 2018-D025) 83 FR 62502 · Docket DARS-2018-D036
Defense Federal Acquisition Regulation Supplement: Documentation for Interagency Contracts (DFARS Case 2018-D073) 83 FR 62501 · Docket DARS-2018-0054
Defense Federal Acquisition Regulation Supplement: Undefinitized Contract Action Definitization (DFARS Case 2015-D024) 83 FR 30584 · Docket DARS-2016-0026
Defense Federal Acquisition Regulation Supplement: Technical Amendments 82 FR 61479 · Docket DARS-2017-0022
Defense Federal Acquisition Regulation Supplement: Multiyear Contract Requirements (DFARS Case 2015-D009) 81 FR 28730 · Docket DARS-2015-0067
Defense Federal Acquisition Regulation Supplement: Extension and Modification of Contract Authority for Advanced Component Development and Prototype Units (DFARS Case 2015-D008) 81 FR 17044 · Docket DARS-2015-0042
Defense Federal Acquisition Regulation Supplement; Technical Amendments 80 FR 74694 · Docket DARS-2015-0069
Defense Federal Acquisition Regulation Supplement; Technical Amendments 80 FR 72607
Defense Federal Acquisition Regulation Supplement; Technical Amendments 80 FR 56929
Defense Federal Acquisition Regulation Supplement: Contracts or Delivery Orders Issued by a Non-DoD Agency (DFARS Case 2015-D014) 80 FR 51750 · Docket No. DARS-2015-0039
Defense Federal Acquisition Regulation Supplement; Technical Amendments 80 FR 36718
Defense Federal Acquisition Regulation Supplement: Inflation Adjustment of Acquisition-Related Thresholds (DFARS Case 2014-D025) 80 FR 36903 · 0750-AI43
Special Contracting Methods 80 FR 34078 Not on record
Defense Federal Acquisition Regulation Supplement: Multiyear Contracts-Statutory References and Cancellation Ceiling Threshold (DFARS Case 2014-D019) 80 FR 29981 · 0750-AI37
Defense Federal Acquisition Regulation Supplement; Technical Amendments 79 FR 67356
Defense Federal Acquisition Regulation Supplement: Clauses With Alternates-Special Contracting Methods, Major System Acquisition, and Service Contracting (DFARS Case 2014-D004) 79 FR 65592 · 0750-AI27
Defense Federal Acquisition Regulation Supplement: Contract Period for Task and Delivery Order Contracts-Deletion of Congressional Reporting Requirement (DFARS Case 2014-D018) 79 FR 58696 · 0750-AI35
Defense Federal Acquisition Regulation Supplement; Technical Amendments 79 FR 56278
Defense Federal Acquisition Regulation Supplement: Definition of “Congressional Defense Committees” (DFARS Case 2013-D027) 79 FR 35699 · 0750-AI23
Defense Federal Acquisition Regulation Supplement: System for Award Management Name Changes, Phase 1 Implementation (DFARS Case 2012-D053) 78 FR 28756 · 0750-AH87
Defense Federal Acquisition Regulation Supplement: Definition of Cost or Pricing Data (DFARS Case 2011-D040) 77 FR 76939 · 0750-AH49 Not on record
Defense Federal Acquisition Regulation Supplement; Technical Amendments 77 FR 52253
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Proposed changes

Proposed rule Published Comments
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 Information Regarding Foreign Obligations (DFARS Case 2018-D064) 89 FR 90254 · Docket DARS-2024-0034 Closed Jan 14, 2025No final rule found

Quick answers

What is DFARS Part 217?

DFARS Part 217 is a part of the Defense Federal Acquisition Regulation Supplement, titled "Special Contracting Methods".

When was DFARS Part 217 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 217 proposed?

2 proposed changes have no final rule yet.

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