FAR and DFARS › FAR Part 3: Improper Business Practices and Personal Conflicts of Interest › Subpart 3.9
FAR 3.907-4 Procedures for investigating complaints.
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
Investigation of complaints will be in accordance with section 1553 of the Recovery Act.
← 3.907-3 Procedures for filing complaints. · 3.907-5 Access to investigative file of Inspector General. →
Rule changes for FAR Part 3
- Federal Acquisition Regulation: Revolutionary Federal Acquisition Regulation Overhaul Parts 3 and 49 ↗ · proposed 2026-06-23 · comments due 2026-07-23
- Federal Acquisition Regulation: Inflation Adjustment of Acquisition-Related Thresholds ↗ · final rule 2025-08-27 · effective 2025-10-01
- Federal Acquisition Regulation: Preventing Organizational Conflicts of Interest in Federal Acquisition ↗ · proposed 2025-01-15 · comments due 2025-03-17
- Federal Acquisition Regulation: Controlled Unclassified Information ↗ · proposed 2025-01-15 · comments due 2025-03-17
- Federal Acquisition Regulation: Improving Consistency Between Procurement and Nonprocurement Procedures on Suspension and Debarment ↗ · final rule 2025-01-03 · effective 2025-01-17
- Federal Acquisition Regulation: Inflation Adjustment of Acquisition-Related Thresholds ↗ · proposed 2024-11-29 · comments due 2025-01-28
- Federal Acquisition Regulation: Reverse Auction Guidance ↗ · final rule 2024-07-30 · effective 2024-08-29
- Federal Acquisition Regulation: Improving Consistency Between Procurement and Nonprocurement Procedures on Suspension and Debarment ↗ · proposed 2024-01-09 · comments due 2024-03-11
Source: eCFR, 48 CFR chapters 1 and 2 (GPO GovInfo bulk data) ↗. Plain words for the terms: glossary.