['Drug and Alcohol Testing - DOT']
['Alcohol testing - Motor Carrier', 'Drug testing - Motor Carrier', 'Breath alcohol technician - Motor Carrier']
12/12/2024
An employer shall not permit an employee with direct or immediate supervisory responsibility or authority over another employee to serve as the urine or oral fluid collector, breath alcohol technician, or saliva-testing technician for a drug or alcohol test of the employee.
[88 FR 27653, May 2, 2023]