Vehicles in Indonesia are coded based on their classes and uses. These are: Black on White: For privately owned vehicles. Trucks that are registered for private use were issued with this plate, so are the ambulances. This new color scheme has been used since June 2022 to detect motoring offenses with traffic enforcement cameras. White on black: The old color scheme for privately owned vehicles. Trucks that are registered for private use were issued with this plate, so are ambulances. Superseded by the black on white color scheme but still valid during 5-year transition period. Red on white: Vehicles that have not been registered yet, or for new cars that have no owners yet or no legal identification. Black on yellow: Commercial vehicle or public transportation such as buses, taxis, angkot, auto rickshaws and commercial trucks. White on red: Used by fire departments, government ambulances, government officials and other governmental vehicles administered under their respective local governments. Black on Red: Vehicles belonging to foreign countries. Commonly used by foreign embassies or vehicles belonging to International organizations. Black on White with Black Trim: Vehicles belonging to diplomatic corps of foreign countries. Commonly used by foreign embassies or vehicles belonging to international organizations. Black on green: Free Zone vehicles i.e. Batam (see Indonesia–Malaysia–Singapore Growth Triangle). Blue on white: Vehicles belonging to foreign countries, mainly used before the vehicle has been registered. Electric vehicles The Indonesian National Police has set a special license plate for electric vehicles with additional blue trim at the expiry date row in accordance with the regulations in the Decree of the Head of the Traffic Corps of the Indonesian National Police in 2020. White on Black with Blue Trim: for privately owned electric vehicles and rental electric vehicles Black on Yellow with Blue Trim: for commercial electric vehicle or public transportation. White on Red with Blue Trim: for governmental electric vehicles administered under their respective local governments. Black on White with Blue Trim: for foreign embassies or electric vehicles belonging to International organizations. Black on Green with Blue Trim: for electric vehicles at the Free Trade Zone. Registration area codes The lettering convention denoting the area of registration is a legacy of the Dutch colonial era and does not reflect the current regional divisions of the country into provinces. They follow the old system of Dutch Karesidenan or residencies lettering systems, which were adopted in the 1920s, and