FAR and DFARS › FAR Part 50: Extraordinary Contractual Actions and the Safety Act
FAR 50.000 Scope of part.
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.
In plain English
This part of the FAR sets out policies and procedures for using the extraordinary emergency authority under Public Law 85-804 and Executive Order 10789 to enter into, amend, or modify contracts for national defense. It also implements indemnification authority and SAFETY Act liability protections for qualified anti-terrorism technologies. It does not cover advance payments, which are handled under Subpart 32.4.
Applies to: Contracts and contractors involved in national defense under Pub. L. 85-804 and anti-terrorism technologies under the SAFETY Act
Key terms: extraordinary emergency authority · Public Law 85-804 · Executive Order 10789 · SAFETY Act · qualified anti-terrorism technology
Written by AI from this section's text. A guide, not legal advice: the text below rules.
The text
This part—
(a)(1) Prescribes policies and procedures for entering into, amending, or modifying contracts in order to facilitate the national defense under the extraordinary emergency authority granted by Public Law 85-804 (50 U.S.C. 1431—1434) and Executive Order 10789, dated November 14, 1958. It does not cover advance payments (see Subpart 32.4); and
(2) Implements indemnification authority granted by Pub. L. 85-804 and paragraph 1A of E.O. 10789 with respect to any matter that has been, or could be, designated by the Secretary of Homeland Security as a qualified anti-terrorism technology as defined in the Support Anti-terrorism by Fostering Effective Technologies Act of 2002 (SAFETY Act); and
(b) Implements SAFETY Act liability protections to promote development and use of anti-terrorism technologies.
Rule changes for FAR Part 50
- 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: Inflation Adjustment of Acquisition-Related Thresholds ↗ · proposed 2024-11-29 · comments due 2025-01-28
- Federal Acquisition Regulation: Limitation of Authority Regarding Extraordinary Contractual Actions ↗ · final rule 2024-07-30 · effective 2024-08-29
Source: eCFR, 48 CFR chapters 1 and 2 (GPO GovInfo bulk data) ↗. Plain words for the terms: glossary.