FAR and DFARS › DFARS Part 215: Contracting by Negotiation › Subpart 215.4
DFARS 215.406 Documentation.
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.
The text
[Reserved]
← 215.404-75 Fee requirements for FFRDCs. · 215.406-1 Prenegotiation objectives. →
Rule changes for DFARS Part 215
- Defense Federal Acquisition Regulation Supplement: Inflation Adjustment of Acquisition-Related Thresholds (DFARS Case 2024-D002) ↗ · final rule 2025-08-25 · effective 2025-10-01
- Defense Federal Acquisition Regulation Supplement: Definition of Material Weakness (DFARS Case 2021-D006) ↗ · final rule 2025-01-17 · effective 2025-01-17
- Defense Federal Acquisition Regulation Supplement: Inflation Adjustment of Acquisition-Related Thresholds (DFARS Case 2024-D002) ↗ · proposed 2025-01-17 · comments due 2025-03-18
- Defense Federal Acquisition Regulation: Past Performance of Affiliate Companies of Small Business Concerns (DFARS Case 2024-D016) ↗ · final rule 2024-11-15 · effective 2024-11-15
- Defense Federal Acquisition Regulation Supplement: Inapplicability of Additional Defense-Unique Laws and Certain Non-Statutory DFARS Clauses to Commercial Item Contracts (DFARS Case 2018-D074) ↗ · final rule 2024-11-15 · effective 2024-11-25
- Defense Federal Acquisition Regulation Supplement; Technical Amendments ↗ · final rule 2024-10-10 · effective 2024-10-10
- Defense Federal Acquisition Regulation Supplement: DoD Cost or Pricing Data Requirements (DFARS Case 2022-D004) ↗ · proposed 2024-09-26 · comments due 2024-11-25
- Defense Federal Acquisition Regulation Supplement: Assuring Integrity of Overseas Fuel Supplies (DFARS Case 2022-D013) ↗ · final rule 2024-09-26 · effective 2024-10-01
Source: eCFR, 48 CFR chapters 1 and 2 (GPO GovInfo bulk data) ↗. Plain words for the terms: glossary.