DOT Compliance
A Driver Qualification (DQ) file is a required record that proves a driver meets all legal and safety requirements to operate a commercial vehicle.
The simplest way to understand FMCSA Regulation 391 (Driver Qualification Files) is:
It’s a file employers must keep for each commercial driver to prove they are legally qualified and safe to drive.
Think of it as a driver’s “proof of eligibility” folder.
If your business isn’t running, keeping your DOT number active can still hold you accountable—deactivating it protects you from fines, violations, and liability.
DOT drug testing is also a required program that makes sure commercial drivers are not using drugs or alcohol while doing safety-sensitive work — If you are CDL
The Clearinghouse is a national database that tracks violations so drivers can’t hide them from employers.