In Michigan, which document must a driver show to verify they have a valid CDL?

Answer: B — The CDL itself along with any applicable endorsements

A driver must present their Commercial Driver's License (CDL) along with any relevant endorsements to verify they have the legal authority to operate specific types of commercial vehicles. The CDL serves as the primary documentation proving that the driver has passed the necessary knowledge and skills tests required for commercial driving. Endorsements indicate additional qualifications that a driver may have, such as authorization to operate a tanker or transport hazardous materials, which are essential for ensuring compliance with regulations and safety standards in Michigan. The other documents listed play different roles but do not suffice for proving the driver's capability and legitimacy to operate a commercial vehicle. For example, a vehicle registration pertains to the ownership of the vehicle, while a health certificate verifies medical fitness, and an insurance certificate demonstrates financial responsibility, none of which establish the driver's qualifications to hold a CDL.