Code C1 (10) Drivers - The system makes a distinction between rigid vehicles and rigid vehicles drawing trailers (above 750 kg GVM). For example, the holder of a code C1 is permitted to drive a heavy goods vehicle with tare weight between 3 500 kg and 16 000 kg; minibuses, buses and goods vehicles with GVM between 3 500 kg and 16 000 kg. A trailer with GVM of 750 kg or less may be attached.