What is the consequence of not keeping your CDL or medical card valid?

The consequence of not keeping your Commercial Driver's License (CDL) or medical card valid primarily involves immediate disqualification from operating a commercial vehicle. Maintaining these documents is crucial for ensuring safety on the roads and meets federal regulations.

When a CDL or medical card is not valid, the driver is not legally allowed to operate commercial vehicles, thereby facing an immediate disqualification until the documents are renewed or validated. This helps protect the public by ensuring all commercial drivers are fit for duty and comply with safety standards.

While the other consequences listed may seem relevant, they do not accurately reflect the direct and immediate ramifications of failing to maintain valid credentials in the context of CDL regulations. For instance, fines and probation periods are punitive measures but do not capture the urgency or significance of ensuring one's licensing is current for driving.