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- Query: `62 FR 24690`
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## 1. Hazardous Materials: Harmonization With the United Nations Recommendations, International Maritime Dangerous Goods Code, and International Civil Aviation Organization's Technical Instructions

**Citation:** 62 FR 24690  
**Type / status:** rulemaking / historical  
**Agency:** Research and Special Programs Administration  
**Effective / published:** Not stated / 1997-05-06

This final rule amends the Hazardous Materials Regulations to maintain alignment with corresponding provisions of international standards. Because of recent changes to the International Maritime Dangerous Goods Code (IMDG Code), the International Civil Aviation Organization's Technical Instructions for the Safe Transport of Dangerous Goods by Air (ICAO Technical Instructions), and the United Nations Recommendations on the Transport of Dangerous Goods (UN Recommendations), these revisions are necessary to facilitate the transport of hazardous materials in international commerce.

### Provenance

- Official: Yes
- Source: <https://www.federalregister.gov/documents/1997/05/06/97-10481/hazardous-materials-harmonization-with-the-united-nations-recommendations-international-maritime>
- Source ID: `federal-register`
- SHA-256: `b103df01d9b670daef366c115de7bcce663dd3518d0a8e9d12fd3474bd2e175a`
- Retrieved: 2026-08-20T06:04:51.294Z
- Document slug: `federal-register-97-10481`
- Related records: 63