In Hong Kong, Transport Department is responsible for issuing driver licences. Private light bus (class 4), public light bus (class 5), taxi (class 6), private bus (class 9), public bus (class 10), franchised public bus (class 17), medium goods vehicle (class 18), heavy goods vehicle (class 19), articulated vehicle (class 20) and special purpose vehicle (class 21) are vehicles requiring commercial driving licences., whereas private car (class 1), light goods vehicle (class 2), motorcycle (class 3), and motor tricycle (class 22) are considered non-commercial vehicles.