First, it refers to the manufacturers who specialize in the production of modified cars, and redesign and modify cars different from the original models with engines, chassis or assemblies that have passed the national inspection.
The second is a license plate car, which is modified on the basis of the original car assembly for a certain purpose, and is collectively called a modified car.
Usually the modified car refers to the latter. Batch modified cars need to be finalized according to the previous regulations, and can only apply for a car license after reporting the Catalogue according to the Interim Provisions on the Administration of National Automobile, Civil Modified Cars, Motorcycle Production Enterprises and Products Catalogue.
When a licensed car is modified, it should be reported to the vehicle management office at the place of registration, and the modification technical report can be modified only after it is reviewed and approved by the vehicle management office. After modification, the vehicle management office will carry out testing and go through modification procedures when necessary.
Scope of motor vehicle change: the change of motor vehicle must be carried out within the scope specified by the traffic control department, that is, body color, engine, fuel type, driving number, etc. It can be modified, but the driver must be approved by the traffic control department after submitting the application.
For example, in terms of car body color, there are three colors that cannot be approved: red for fire fighting, yellow for engineering rescue, and blue for national administrative law enforcement. At the same time, only under the premise that it has been damaged beyond repair or there are quality problems, can the body, frame and engine be modified.