Vehicle registration plates of Bulgaria Vehicle registration plates of Bulgaria Standard Bulgarian vehicle registration plates display black glyphs (alphanumeric characters) on a white background, together with – on the left-hand side of the plate – a blue vertical "EU strip" showing the flag of Europe (or, for older-registered cars, the flag of Bulgaria) and, below it, the country code for Bulgaria: BG. The characters displayed in the main field of the plate are: The format is thus XX NNNN YY, where XX (or X) is the province code, NNNN is the serial number, and YY is the series. Since 1992, only glyphs that are common
Diplomatic vehicle registration plate diplomatic license plates vary from country to country. They often feature the letters "CD" (for ""Corps Diplomatique""), "D" (for "Diplomat") or prefix of international organisations with diplomatic privileges, such as "EU" (for "EUROPEAN UNION") and "OSCE" (for "Organization For Security And Co-operation In Europe"). Diplomatic vehicle registration plate Most countries issue diplomatic license plates to accredited diplomats. Per the Vienna Convention on Consular Relations, these are special vehicle registration plates which typically have distinctive features to allow diplomatic vehicles to be distinguished from other vehicles by police and other bodies, allowing them to give diplomatic vehicles special treatment and warning