Hazardous Materials: Adoption of Department of Transportation Special Permit 21379
Built by the Tribune's code from the Federal Register. No AI wrote this page. Published in the Federal Register Aug. 4, 2026. Document 2026-15818. Updated Nov. 7, 2026.
- What it does
This final rule removes undue regulatory burdens by adopting the provisions of U.S. Department of Transportation (DOT) special permit (SP) 21379 to streamline the transportation of refrigerating machines and components containing certain low flammability refrigerant gases.
The Pipeline and Hazardous Materials Safety Administration's summary, as published in the Federal Register.
- What changed in the regulation
2 parts of Title 49 of the Code of Federal Regulations:
Wording on eCFR: the day before it took effect and from the day it took effect (first part listed).
- Compared with
The Pipeline and Hazardous Materials Safety Administration has published 67 final rules in 2026 so far, compared with 42 in all of 2025.
Counted by the Tribune from Federal Register records since Jan. 1, 2025.
- Before this
1 earlier Federal Register document under regulation identifier 2137-AG16 since Jan. 1, 2025.
- What happens next and when
Effective date: This final rule is effective September 3, 2026.
The agency's dates, word for word.
The record as published
| Document number | 2026-15818 |
|---|---|
| Action | Final rule. |
| Agencies | Transportation Department; Pipeline and Hazardous Materials Safety Administration |
| Published | Aug. 4, 2026 |
| Effective date | Sept. 3, 2026 |
| Regulation identifier (RIN) | 2137-AG16 |
| Docket | PHMSA-2025-0102 |
Source: the Federal Register (public domain). The document in the Federal Register