Pipeline and Hazardous Materials Safety Administration
49 CFR Parts 107, 171, and 173
[Docket No. PHMSA–2020–0103 (HM–257A)]
RIN 2137–AF50
Hazardous Materials: Streamlining Requirements for the Approval of Certain Energetic Materials
ACTION: Final rule.
SUMMARY: PHMSA is amending the Hazardous Materials Regulations (HMR) by streamlining the classification and approval process for transporting certain low-hazard fireworks, revising the criteria for small arms cartridges to include tracer ammunition as eligible for self-classification, designating the PHMSA portal as the sole method to submit applications for all explosives approvals, and authorizing voluntary termination of an explosive approval by the approval holder.
DATES: Effective Date: This final rule is effective on July 2, 2026
READ MORE: https://www.govinfo.gov/content/pkg/FR-2026-06-02/pdf/2026-10962.pdf