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.

DOT Rule 49 CFR Part 40 Section 40.253 Q&A

Document
ODAPC 40 243 40 253 40 275 Appendix G Q&A_0.pdf

 

Subpart M—Alcohol Confirmation Tests

Answers to the most frequently asked questions regarding DOT Rule 49 CFR Part 40 Section 40.253.