The following is a detailed introduction:
1, meaning: the motor vehicle registration certificate is the legal certificate of vehicle ownership, which is kept by the vehicle owner and not carried with the vehicle. Any subsequent vehicle registration, such as transfer of ownership, transfer of ownership, etc. You need to issue a vehicle registration certificate, which records the relevant information of the vehicle, which is equivalent to the "household registration book" of the vehicle.
2. You can apply for mortgage cancellation: if you need to buy a car by stages, you need a mortgage motor vehicle registration certificate. During the mortgage period, the green copy is kept by the vehicle manager, and it is kept by the owner after the mortgage is released, so it is not necessary to carry it with the vehicle.