The following table lists some of the most common driver qualification violations.
| Violation | Relevant CFR |
| No medical certificate in driver's possession, and operating a property-carrying vehicle without possessing a valid medical certificate | 391.41 |
| Expired medical examiner's certificate | 391.45 |
| Driver does not have a valid operator's license for the CMV being operated | 391.11 |
| Driver cannot read or speak the English language sufficiently to respond to official inquiries | 391.11 |
| Driver lacking physical qualification(s) | 391.11 |
| Driver operating a CMV without proper endorsements or in violation of restrictions | 391.11 |
| Driving a CMV while disqualified—suspended for safety-related or unknown reason and in the State of driver’s license issuance
| 391.15 |
| Driving a CMV while disqualified—suspended for a non-safety-related or unknown reason and in the State of driver’s license issuance | 391.15 |
| Driving a CMV in Interstate Commerce and driver is less than 21 years of age | 391.11 |
| Driving a CMV while disqualified—suspended for a safety-related or unknown reason and outside the driver's license State of issuance | 391.15 |