of vehicle on the road. Where the holder also has a heavy vehicle (Class 2 or Class 4) licence, they are permitted to drive heavy special vehicles. Otherwise the limits for Class 1 () apply. Being granted an I, O, P and/or V endorsement requires that the applicant passes a "fit and proper person" check, to screen for people with criminal convictions or serious driving infringements. These endorsements are issued for one or five years, at the option of the applicant at the time of purchase. Hong Kong 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. To apply for a commercial driving licence, a driver must: - be of age 21 or above; - have obtained a private car or light goods vehicle full driving licence for at least 3 years (2 years if converted from probationary licence) immediately before the application; - be a Hong Kong permanent resident or not subject to any condition of stay other than a limit of stay; - have not been convicted of some serious driving offences specified in law within 5 years before the application; and take a driving test of the class of vehicle the driver is going to apply. In Hong Kong, driving licences are issued separately for each class of vehicle and printed on the licence, although passing a driving test of a heavier vehicle automatically gives the driver the right to apply for corresponding lighter vehicles: 6 (Taxi) — Only a written test has to be taken, including traffic regulations, taxi regulations and places. 4 (Private light bus), 5 (Public light bus) — Passenger vehicles with 8 to 19 seats. The driving tests for both are the same, but only class 4 (private light bus) licence can be applied after passing the test. In order to apply for a class 5 (public light bus) licence, a driver has to take an additional Pre-service Training Course for Public Light Bus Drivers before submitting