legal ground
Article 10 of the Regulations on Motor Vehicle Registration
If a registered motor vehicle is under any of the following circumstances, the owner of the motor vehicle shall apply to the vehicle management office for registration of change:
(1) changing the color of the car body;
(2) Replace the engine;
(3) replace the car body or frame;
(4) Replacing the whole vehicle due to quality problems;
(five) the nature of the use of operating motor vehicles to non-operating motor vehicles or non-operating motor vehicles to operating motor vehicles has changed;
(six) the motor vehicle owner's household registration moved out or moved into the jurisdiction of the vehicle management office.
If there are more than two motor vehicle owners who need to change the registered owner's name to other owners' names, they may apply to the vehicle management office for change of registration.