If an internal combustion engine is used, its cylinder displacement is greater than 50mL, or regardless of the driving mode, its maximum design speed is greater than 50km/h. Including two wheeled motorcycles, side three wheeled motorcycles and regular three wheeled motorcycles (side three wheeled motorcycles and regular three wheeled motorcycles can be collectively referred to as three wheeled motorcycles)

The cargo box or other cargo carrying device of a motor vehicle must be so constructed that it can safely and securely load goods.

1、 A safety frame at least 70mm higher than the cab shall be installed at the front of the cargo box of trucks (except dump trucks, trucks with a load capacity of less than 1000 kg, and tricycles).

2、The front of the cargo box of a three wheel truck without a cab shall be equipped with a safety frame with strength meeting the requirements, and its height  cargo shall be at least 800mm higher than the driver's seat cushion plane.

3、 For the van in which the driver and  cargo goods are in the same compartment, the isolation device with strength meeting the requirements shall be installed behind the last row of seats.