FAR and DFARS › DFARS Part 209: Contractor Qualifications › Subpart 209.5
DFARS 209.571-5 Lead system integrators.
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
For limitations on contractors acting as lead systems integrators, see 209.570.
Sections it refers to
- 209.570 Limitations on contractors acting as lead system integrators.
← 209.571-4 Mitigation. · 209.571-6 Identification of organizational conflicts of interest. →
Rule changes for DFARS Part 209
- Defense Federal Acquisition Regulation Supplement: Certification Requirement for Military Recruitment Advertising (DFARS Case 2024-D022) ↗ · proposed 2026-06-25 · comments due 2026-08-24
- Defense Federal Acquisition Regulation Supplement: Limitation on Certain Institutes of Higher Education (DFARS Case 2024-D023) ↗ · final rule 2025-08-25 · effective 2025-08-25
- Defense Federal Acquisition Regulation Supplement: Preventing Conflicts of Interest for Certain Consulting Services (DFARS Case 2024-D007) ↗ · final rule 2025-08-25 · effective 2025-10-24
- 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: Preventing Conflicts of Interest for Certain Consulting Services (DFARS Case 2024-D007) ↗ · proposed 2024-09-26 · comments due 2024-11-25
- Defense Federal Acquisition Regulation Supplement: Limitation on Certain Institutes of Higher Education (DFARS Case 2024-D023) ↗ · proposed 2024-08-15 · comments due 2024-10-15
- Defense Federal Acquisition Regulation Supplement; Technical Amendments ↗ · final rule 2024-07-29 · effective 2024-07-29
Source: eCFR, 48 CFR chapters 1 and 2 (GPO GovInfo bulk data) ↗. Plain words for the terms: glossary.