DOT Mandated Supervisor Training
https://www.fmcsa.dot.gov/us-department-transportation-dot-drug-alcohol-supervisor-training-guidance#:~:text=49%20CFR%20382.603%20is%20the,controlled%20substances%20use%20(120%20minutesMandated Supervisor Training enables supervisors to determine whether reasonable suspicion exists to require a driver to undergo testing.
