There are corresponding provisions in the Rules for the Transport of Automobile Passengers:

Thirty-eighth passengers carry their belongings, and each full ticket (including disabled soldiers' tickets) is free of charge 10 kg, and each child ticket is free of charge of 5 kg; The volume does not exceed 0.02 cubic meters, and the length does not exceed 1.8 meters. It is placed under my seat or on the luggage rack in the car. If the amount exceeds the specified amount, the excess shall be charged according to the baggage and parcel; When occupying seats, buy tickets according to the actual number of seats occupied.

Extended data:

Relevant laws and regulations of automobile passenger transport rules:

Forty-fourth tourist buses providing comprehensive tourism services should be equipped with drinking water, commonly used drugs and other services, and equipped with cold-proof or cooling equipment according to actual needs, and equipped with tour guides.

Forty-fifth tourists who provide comprehensive tourism services use tourist tickets and sell direct tourist tickets or round-trip tourist tickets according to tourism requirements. If the funds for accommodation and other services are listed separately, they shall be included in the face value and collected together. Travellers without comprehensive travel services can use shuttle bus tickets.

Forty-sixth tourists who provide comprehensive tourism services must refund their tickets before driving, refund the freight part of the original fare, and charge a refund fee. Agency accommodation and other service fees should be handled according to the specific situation. If the ticket is not refunded, it shall be announced at the time of ticket sales. For tourist passengers without comprehensive tourism services, the refund shall be handled according to the shuttle bus refund.

Baidu Encyclopedia-"Rules for Passenger Transport by Car"