License
Commercial Drivers License (CDL) - Hazardout Materials Endorsement
Montana Department of Justice
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See the Hazardous Materials chapter in the Commercial Driver License Manual.The Department of Justice (DOJ) may not renew, upgrade, or convert a CDL with a hazardous materials endorsement until it receives notice from the federal Transportation Security Administration (TSA) that the driver has passed a finger-print based security threat assessment (background check).
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