Relevant provisions on illegal modification of motor vehicles:
1. Article 10 of the Regulations on Motor Vehicle Registration stipulates that registered motor vehicles need to change their use nature, body color, body or frame, etc. The owner of a motor vehicle shall apply to the vehicle management office for registration of change.
2. Paragraph 1 of Article 16 of the Road Traffic Safety Law of the People's Republic of China stipulates that no unit or individual may assemble a motor vehicle or change the registered structure, structure or characteristics of a motor vehicle without authorization. Unauthorized modification of motor vehicle chassis, engine, suspension, transmission system, steering system, tire hub, lamps and lanterns, color painting, appearance structure, and motor vehicle technical data inconsistent with the data published by the competent department of motor vehicle products in the State Council are all modification behaviors.
The announcement data include: vehicle steering form, body size, fuel type, number of leaf springs, wheelbase, number of tires, tire size, total mass, approved load mass, environmental standards, displacement/power, number of axles, and vehicle appearance photos.