# Hazardous Materials: Harmonization With the United Nations Recommendations, International Maritime Dangerous Goods Code, and International Civil Aviation Oganization's Technical Instructions
> **Pipeline and Hazardous Materials Safety Administration** · Final rule. · Published 2006-12-29 · Effective 2007-01-01 · 71 FR 78596
## Document
- **Document number:** 06-9849
- **Category:** hazmat
- **Sub-agency:** Pipeline and Hazardous Materials Safety Administration
- **Federal Register citation:** 71 FR 78596
- **CFR reference:** 49 CFR 171
- **Publication date:** 2006-12-29
- **Effective date:** 2007-01-01
- **DOT docket:** Docket No. PHMSA-06-25476 (HM-215I)
## Abstract

This final rule revises the Hazardous Materials Regulations to maintain alignment with international standards by incorporating various amendments, including changes to proper shipping names, hazard classes, packing groups, special provisions, packaging authorizations, air transport quantity limitations and vessel stowage requirements. These revisions will harmonize the Hazardous Materials Regulations with certain recent changes to the International Maritime Dangerous Goods Code, the International Civil Aviation Organization's Technical Instructions for the Safe Transport of Dangerous Goods by Air, and the United Nations Recommendations on the Transport of Dangerous Goods.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2006/12/29/06-9849/hazardous-materials-harmonization-with-the-united-nations-recommendations-international-maritime)
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