What Is DOT 49 CFR?
What Is DOT 49 CFR? The Department of Transportation’s (DOT) rule, 49 CFR Part 40, describes required procedures for conducting workplace drug and alcohol testing for the Federally regulated transportation industry. What does the DOT 49 CFR regulate? 49 CFR Part 40, or Part 40 as we call it, is a DOT-wide regulation that states