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['Drug and Alcohol Testing - DOT']
['Follow-up alcohol and drug testing - Motor Carrier', 'Return-to-duty drug and alcohol testing - Motor Carrier']
10/22/2025
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What happens if a DOT return-to-duty or follow-up test is canceled?
A canceled test is not a completed test for the DOT return-to-duty process. A driver may not return to performing a safety-sensitive function until you receive a negative return-to-duty test result. Another return-to-duty test must be scheduled with the testing facility and completed before the employee may return. If the canceled test was a follow-up test, it also must be rescheduled. You cannot substitute any other tests (random, post-accident) that you conducted for this follow-up testing requirement.
['Drug and Alcohol Testing - DOT']
['Follow-up alcohol and drug testing - Motor Carrier', 'Return-to-duty drug and alcohol testing - Motor Carrier']
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