# Hazardous Materials: Adoption of Miscellaneous Petitions and Updating Regulatory Requirements
> **Pipeline and Hazardous Materials Safety Administration** · Final rule. · Published 2024-03-04 · Effective 2024-04-03 · 89 FR 15636
## Document
- **Document number:** 2024-03290
- **Category:** pipeline-safety
- **Sub-agency:** Pipeline and Hazardous Materials Safety Administration
- **Federal Register citation:** 89 FR 15636
- **CFR reference:** 49 CFR 107
- **Publication date:** 2024-03-04
- **Effective date:** 2024-04-03
- **DOT docket:** Docket No. PHMSA-2020-0102 (HM-219D)
## Abstract

PHMSA amends the Hazardous Materials Regulations (HMR) to update, clarify, improve the safety of, or streamline various regulatory requirements. Specifically, this rulemaking responds to 18 petitions for rulemaking submitted by the regulated community between May 2018 and October 2020 that requests PHMSA address a variety of provisions, including but not limited to those addressing packaging, hazard communication, and the incorporation by reference of certain documents. These revisions maintain or enhance the existing high level of safety under the HMR while providing clarity and appropriate regulatory flexibility in the transport of hazardous materials.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2024/03/04/2024-03290/hazardous-materials-adoption-of-miscellaneous-petitions-and-updating-regulatory-requirements)
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