Legal basis: According to Article 28 of the Regulations on Penalties for Road Traffic Safety Violations in Shenzhen Special Economic Zone, if a heavy-duty or medium-sized truck is loaded with more than the approved load mass or carries more than the approved number of passengers, the motor vehicle shall be detained until the illegal state is eliminated, and the following provisions shall be made: (1) If the load exceeds 30% or the number exceeds 20%, the driver shall be fined 1000 yuan; (2) If the weight exceeds the approved load mass by more than 30% and fails to reach 50% or exceeds the approved load mass by more than 20% and fails to reach 50%, the driver shall be fined 2,000 yuan and the motor vehicle driver's license shall be suspended 1 month, the vehicle owner shall be fined 5,000 yuan, and the vehicle user or individual shall be fined 10000 yuan; (3) If the weight exceeds the approved load mass or exceeds the approved load mass by more than 50% and does not reach 100%, the driver will be fined 3,000 yuan, the motor vehicle driver's license will be temporarily suspended 1 month, the owner will be fined 8,000 yuan, and the vehicle user or individual will be fined15,000 yuan; (4) If the vehicle exceeds the approved weight or exceeds the approved number 100%, the driver shall be fined 5,000 yuan, the motor vehicle driver's license shall be temporarily suspended for 3 months, the owner shall be fined 10000 yuan, and the unit or individual who uses the vehicle shall be fined 20,000 yuan. Anyone who commits the acts mentioned in the preceding paragraph for more than three times within one year shall be punished twice according to the amount of fines that should be imposed for illegal acts from the third time, and the vehicle owner and the person in charge directly responsible for the use unit shall be fined 5,000 yuan.