['Drug and Alcohol Testing - DOT']
['Random alcohol and drug testing- Motor Carrier']
11/20/2023
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The FMCSA has a minimum random drug-testing requirement of 50 percent of the average number of driver positions, and a minimum of 10 percent for random alcohol testing. In the event either of these percentages is changed by the FMCSA, the change will be published in the Federal Register.