Class IVN.I.
6. All motor vehicles (other than invalid carriages and motor-cycles whereof the cylinder capacity of the engine is less than 50 cubic centimetres) not comprised in Class I, Class II or Class III.
6. All motor vehicles (other than invalid carriages and motor-cycles whereof the cylinder capacity of the engine is less than 50 cubic centimetres) not comprised in Class I, Class II or Class III.