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CDL Drug and Alcohol Clearinghouse
  • The Clearinghouse is a database containing information about CDL drivers who violated DOT testing standards.
  • Employers must query the database before hiring a CDL driver, and annually for current employees.

The Commercial Driver’s License (CDL) Drug and Alcohol Clearinghouse is an online Federal Motor Carrier Safety Administration (FMCSA) database containing information about CDL drivers who have violated Department of Transportation (DOT) drug or alcohol testing standards. The Clearinghouse went live on January 6, 2020. For all drivers who are subject to FMCSA-mandated drug and alcohol testing under Part 382, motor carriers and other parties must report certain violations and test results into the Clearinghouse and must query the database both before hiring a CDL driver and annually for each existing CDL driver. Anyone using the Clearinghouse must first register online.

Drivers who have a drug or alcohol violation listed in the Clearinghouse and who have failed to complete the return-to-duty process cannot be allowed to drive a commercial motor vehicle until completing that process.

Note that motor carriers may authorize a third party to perform most of the Clearinghouse responsibilities.