NOTIFICATION

Addendum

The following communication, dated 2 June 2026, is being circulated at the request of the delegation of the United States of America.

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Title: Hazardous Materials: Streamlining Requirements for the Approval of Certain Energetic Materials

Description: The Pipeline and Hazardous Materials Safety Administration (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.

Effective Date: This final rule is effective on 2 July 2026. The incorporation by reference of certain material listed in this rule was approved by the Director of the Federal Register as of 28 December 2020.

Voluntary Compliance Date: 2 June 2026.

Delayed Compliance Date: 31 August 2026.

91 Federal Register (FR) 32889, 2 June 2026; Title 49 Code of Federal Regulations (CFR) Parts 107, 171, and 173:

https://www.govinfo.gov/content/pkg/FR-2026-06-02/html/2026-10962.htm

https://www.govinfo.gov/content/pkg/FR-2026-06-02/pdf/2026-10962.pdf

This final rule and the notice of proposed rulemaking notified as G/TBT/N/USA/2072 are identified by Docket Number PHMSA-2020-0103. The Docket Folder is available on Regulations.gov at https://www.regulations.gov/docket/PHMSA-2020-0103/document and provides access to primary and supporting documents as well as comments received. Documents are also accessible from Regulations.gov by searching the Docket Number.

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[1] This information can be provided by including a website address, a pdf attachment, or other information on where the text of the final/modified measure and/or interpretive guidance can be obtained.