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DOT drug and alcohol testingFMCSA Drug and Alcohol ClearinghouseWhat is the difference between a limited and full query?

What is the difference between a limited and full query?

A limited query tells the employer only whether the Clearinghouse has information about the driver. A full query releases the details of that information to the employer.

Limited queryFull query
Used forAnnual queriesPre-employment queries, and follow-up when a limited query shows information exists
ConsentGeneral written or electronic consent obtained by the employer; can cover more than one yearSpecific electronic consent given by the driver in the Clearinghouse
Driver registrationNot neededNeeded

See 49 CFR 382.701 and 49 CFR 382.703.

Full guide

  • FMCSA Drug and Alcohol Clearinghouse

See also

  • §382.701 Drug and Alcohol Clearinghouse