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Home Chapters 6.0 6.3 Alcohol (392.5) 6.3.2 Alcohol (392.5)
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Note:

6.3.2 Alcohol (392.5)

Drivers are forbidden to consume or be under the influence of alcohol (as defined in 49 CFR 382.107) within four hours of going on duty or operating a CMV (49 CFR 392.5). Drivers are forbidden to use alcohol, be under the influence of alcohol, or have any measured alcohol concentration, while on duty, or operating, or in physical control of a commercial motor vehicle. Alcohol can only be transported as part of a shipment.

Any driver found in violation of 49 CFR 392.5 (alcohol misuse) will be placed out-of-service for 24 hours effective immediately.
Disclaimer
This publication is distributed by the U.S. Department of Transportation, Federal Motor Carrier Safety Administration (FMCSA). It is meant to serve as a guide only and the Agency does not assume responsibility for any omissions, errors, or ambiguity contained herein. The contents may not be relied upon as a substitute for the Agency’s published regulations.

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