Application for registration change should be made to the traffic management department of the public security organ where the motor vehicle is registered.

The "Regulations on the Implementation of the Road Traffic Safety Law of the People's Republic of China" has corresponding provisions:

Article 6 A registered motor vehicle has one of the following circumstances , the owner of the motor vehicle shall apply to the traffic management department of the public security organ where the motor vehicle is registered to apply for change of registration:

1. To change the color of the motor vehicle body;

2. To replace the engine ;

3. Replacement of body or frame;

4. Replacement of entire vehicle by the manufacturer due to quality problems;

5. Operating motor vehicle A motor vehicle is converted into a non-commercial motor vehicle or a non-commercial motor vehicle is converted into a commercial motor vehicle; the owner of the motor vehicle moves out of or into the area under the jurisdiction of the traffic management department of the public security organ.

Extended information:

Relevant legal provisions of the "Regulations on the Implementation of the Road Traffic Safety Law of the People's Republic of China":

Article 35 Road Maintenance When performing maintenance and repairs on roads, construction units shall set up standardized safety warning signs and safety protection facilities in accordance with regulations. Vehicles and machinery for road maintenance construction operations should be equipped with warning lights and spray-painted with obvious signs and patterns, and warning lights and hazard warning flashers should be turned on during operations. For construction work roads that do not interrupt traffic.

The traffic management department of the public security organ shall strengthen traffic safety supervision and inspection. When traffic jams occur, timely diversion and diversion are done to maintain traffic order. If road construction requires vehicles to detour, the construction unit shall set up signs at the detour; if detour is not possible, temporary passages shall be built to ensure the passage of vehicles and pedestrians.

Article 36 Road or traffic facility maintenance departments and management departments shall set up warning signs and safety protection facilities in accordance with national standards on dangerous road sections such as sharp bends, steep slopes, cliffs, and water.

Baidu Encyclopedia - "Regulations on the Implementation of the Road Traffic Safety Law of the People's Republic of China"