USA Banner

Official US Government Icon

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure Site Icon

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation

General

Legacy ID
16
Show Effective Date
Off
Significant Regulatory Guidance
No
Subscribe to RSS

Guide to Competent Authority Approvals

This brochure provides guidance for obtaining a Competent Authority Approval (CAA) for the classification of self-reactive materials and organic peroxides. A CAA authorizes the transportation of these materials in compliance with the Hazardous Materials Regulations (HMR); 49 Code of Federal...