Which of the following documents specifies the permitted number of persons transported in the car?

The permissible number of people that can be transported in a vehicle is specified in the registration certificate in the field marked with code S.1 "number of seats". This number is determined by the manufacturer based on the vehicle's design and the number of seats equipped with seat belts. In accordance with Art. 63 para. 1 of the Road Traffic Act, transporting a greater number of people is prohibited.