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

Notice of proposed rulemaking.

Each of the Department's alcohol testing rules include a definition of a substance abuse professional. By this action, the Department is consolidating these definitions into its Department-wide testing procedures rule and adding to the definition substance abuse professionals certified by the International Certification Reciprocity Consortium.

View PDF