Data / Federal rules / 2026-19741
Hazardous Materials: Incorporation of ASME Code Section XII and the National Board Inspection Code
The Pipeline and Hazardous Materials Safety Administration published this final rule in the Federal Register on September 28, 2026. It takes effect on October 28, 2026.
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What the agency says
PHMSA is amending the Hazardous Materials Regulations (HMR) to incorporate by reference and authorize the use of the 2015 edition of the American Society of Mechanical Engineers (ASME) Boiler and Pressure Vessel Code, Section XII--Rules for Construction and Continued Service of Transport Tanks for the construction and continued service of certain specification cargo tank motor vehicles (CTMVs), cryogenic portable tanks, and multi-unit tank car tanks. PHMSA is also amending the HMR to incorporate by reference and authorize the use of the 2015 edition of the National Board of Boiler and Pressure Vessel Inspectors National Board Inspection Code, Parts 2 and 3 (including Supplement 6) as it applies to the continued service of transport packagings constructed to ASME Section XII standards, as well as for existing CTMVs constructed in accordance with ASME requirements and the HMR. PHMSA finds these updates will result in cost savings and increased regulatory flexibility without compromising safety.
Key facts
- Document number
- 2026-19741
- Type
- Final rule
- Action
- Final rule
- Agency
- Transportation Department; Pipeline and Hazardous Materials Safety Administration
- Published
- September 28, 2026
- Takes effect
- October 28, 2026
- Dates
- Effective date: October 28, 2026.
- Docket
- Docket No. PHMSA-2010-0019 (HM-241)
- Regulation ID (RIN)
- 2137-AE58
- Code of Federal Regulations
- 49 CFR 107; 49 CFR 171; 49 CFR 173; 49 CFR 178; 49 CFR 179; 49 CFR 180
- Topics
- Administrative practice and procedure; Exports; Hazardous materials transportation; Imports; Incorporation by reference; Motor vehicle safety; Packaging and containers; Penalties; Railroad safety; Reporting and recordkeeping requirements
- Pages
- 16
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Everything from the Pipeline and Hazardous Materials Safety Administration · Rules on administrative practice and procedure · Rules on exports · Rules on hazardous materials transportation · Published in September 2026
Read from the Federal Register API, last updated 2026-10-23. The document on federalregister.gov is the official record; dates and dockets can change through later corrections. Free to reuse with credit to SpecStream under CC BY 4.0.