49 CFR Parts 171, 172, 173, 175, 176, 178, and 180
[Docket No. PHMSA–2021–0092 (HM–215Q)] RIN 2137–AF57
Hazardous Materials: Harmonization With International Standards
SUMMARY: PHMSA is amending the Hazardous Materials Regulations (HMR) to maintain alignment with international regulations and standards by adopting various amendments, including changes to proper shipping names, hazard classes, packing groups, special provisions, packaging authorizations, air transport quantity limitations, and vessel stowage requirements. PHMSA is also withdrawing the unpublished November 28, 2022, Notice of Enforcement Policy Regarding International Standards on the use of select updated international standards in complying with the HMR during the pendency of this rulemaking.
ACTION: Final rule.
DATES: Effective date: This rule is effective May 10, 2024.
Voluntary compliance date: January 1, 2023. Delayed compliance date: April 10, 2025.
READ MORE: https://www.govinfo.gov/content/pkg/FR-2024-04-10/pdf/2024-06956.pdf