MMTA Headquarters:
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You Must Query Your Drivers in the Drug & Alcohol Clearinghouse!

January 19, 2021

As a reminder, all motor carriers with CDL drivers were required to complete a limited query those drivers in FMCSA’s Drug & Alcohol Clearinghouse by January 5, 2021. The Clearinghouse is a record of those CDL drivers who have violated the federal drug and alcohol testing program.  Instructions are at  For questions, call Brenda Tharp at MMTA.
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