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382.103 Controlled Substances and Alcohol Use

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If (1) a driver has a verified positive test result for controlled substances or an alcohol concentration of 0.04 or greater and (2) the driver subsequently obtains a verified negative result for controlled substances or a test result of less than 0.04 al

Section § 382.503: Required evaluation and testing.

Guidance Q&A

Question 1: If (1) a driver has a verified positive test result for controlled substances or an alcohol concentration of 0.04 or greater and (2) the driver subsequently obtains a verified negative result for...

Section § 382.103: Applicability

Section § 382.103: Applicability.

Question 2a: Are students training to be commercial motor vehicle drivers subject to drug and alcohol testing?

Guidance:  Yes.  The regulations in 49 CFR Part 382 apply to drivers operating a commercial motor vehicle (...