 All vehicles must also display two of the same license plates numbers of the same colours at the front and rear of the vehicles.All vehicle license plates in Brunei, other than those issued to royalty, diplomats and taxis (see below), have white characters on a black background, regardless of the vehicle type.The most common form of Brunei licence plates, in use since the introduction of motorised vehicles in the country's British colonial era, typically begin with one or more letters followed by up to four numerical digits with no leading zeroes.