| All drivers who hold a Commercial Drivers License (CDL) and operate a Commercial Motor Vehicle (CMV) in the following circumstances are subject to drug and alcohol testing:
Operation of a vehicle with a gross vehicle weight rating (GVWR) of 26,001 pounds.
Operation of a vehicle with a gross combined weight rating of 26,001 or more pounds inclusive of a towed unit with a GVWR of 10,000 pounds.
Operation of a vehicle designed to transport 16 or more passengers including the driver.
Operation of a vehicle of any size used to transport materials found to be hazardous and which require a vehicle to be placarded under Hazardous Materials Regulation 49 CFR Part 172, subpart F.
Part 382.107
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