What must a driver carry with them regarding vehicle registration?

A driver must carry the original certificate of registration with them to demonstrate that the vehicle is legally registered with the appropriate authorities. This certificate serves as proof that the vehicle identification details are accurate and that the necessary registration fees have been paid. Having the original document on hand is essential for compliance with traffic regulations and can be requested during traffic stops or in case of an accident.

While the other options may involve vehicle ownership or compliance with specific regulations, they are not mandatory to carry while driving. A notarized copy of the title, for example, pertains to ownership rather than registration status. Proof of insurance is certainly important and is required, yet it does not serve as legal registration of the vehicle. Similarly, emission test results might be required for certain compliance checks, but they do not replace the need for a valid certificate of registration.