An official website of the United States government
Official websites use .gov A .gov website belongs to an official government organization in the United States.
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.
This brochure describes the revised USDOT regulations for the classification criteria and packaging requirements for the transportation of infectious substances, adopted into 49 CFR, Parts 171-180, effective October 1, 2006.