FAR and DFARS › DFARS Part 234: Major System Acquisition
DFARS 234.005 General requirements.
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]
← 234.004 Acquisition strategy. · 234.005-1 Competition. →
Rule changes for DFARS Part 234
- 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: Cost and Software Data Reporting for Major Weapons Systems (2021-D028) ↗ · proposed 2024-10-10 · comments due 2024-12-09
- Defense Federal Acquisition Regulation Supplement: Definition of Material Weakness (DFARS Case 2021-D006) ↗ · proposed 2024-06-27 · comments due 2024-08-26
- Defense Federal Acquisition Regulation Supplement: Data Requirements for Commercial Products for Major Weapon Systems (DFARS Case 2023-D010) ↗ · final rule 2024-05-30 · effective 2024-05-30
- Defense Federal Acquisition Regulation Supplement: Use of Fixed-Price Contracts for Certain Major Defense Acquisition Programs (DFARS Case 2023-D009) ↗ · final rule 2024-04-25 · effective 2024-04-25
Source: eCFR, 48 CFR chapters 1 and 2 (GPO GovInfo bulk data) ↗. Plain words for the terms: glossary.