Why can't a C1 license drive a 7-seater vehicle?

[DeElla]

A C1 driver's license can drive a 7-seater commercial vehicle. The maximum vehicle type allowed under a C1 license is a small passenger vehicle, with strict limitations on the number of passengers, which must be less than or equal to 9. Additionally, a C1 license also permits driving light, small, and micro special-purpose vehicles, small and micro passenger vehicles, and cargo trucks. The driving requirements, as outlined in the "Regulations on the Application and Use of Motor Vehicle Driver's Licenses," are as follows: 1. Description one: The scope of vehicles allowed under a C1 driver's license includes small and micro passenger vehicles, light and micro cargo trucks, and light, small, and micro special-purpose vehicles. The number of passengers in small passenger vehicles must be less than or equal to 9. 2. Description two: According to these standard requirements, a C1 license cannot drive vehicles with more than 9 seats, and the total length of the cargo truck driven must not exceed 6 meters.