# Hazardous Materials: Preemption Determinations; Procedural Regulations
> **Pipeline and Hazardous Materials Safety Administration** · Final rule. · Published 2006-05-25 · Effective 2006-05-25 · 71 FR 30066
## Document
- **Document number:** E6-8064
- **Category:** hazmat
- **Sub-agency:** Pipeline and Hazardous Materials Safety Administration
- **Federal Register citation:** 71 FR 30066
- **CFR reference:** 49 CFR 107
- **Publication date:** 2006-05-25
- **Effective date:** 2006-05-25
- **DOT docket:** Docket No. PHMSA-2006-24824
## Abstract

The Pipeline and Hazardous Materials Safety Administration is revising its procedural regulations for issuing administrative determinations as to whether Federal hazardous material transportation law preempts a State, local, or Indian tribe requirement and for issuing waivers of preemption.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2006/05/25/E6-8064/hazardous-materials-preemption-determinations-procedural-regulations)
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