FAR and DFARS › DFARS Part 203: Improper Business Practices and Personal Conflicts of Interest › Subpart 203.1

DFARS 203.171-1 Scope.

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

This section implements section 847 of the National Defense Authorization Act for Fiscal Year 2008 (Pub. L. 110-181).

← 203.171 Senior DoD officials seeking employment with defense contractors. · 203.171-2 Definition. →

Rule changes for DFARS Part 203

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: Inflation Adjustment of Acquisition-Related Thresholds (DFARS Case 2024-D002) ↗ · proposed 2025-01-17 · comments due 2025-03-18
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

Source: eCFR, 48 CFR chapters 1 and 2 (GPO GovInfo bulk data) ↗. Plain words for the terms: glossary.