Drivers with special status: hyphen in the license plate – that’s what's behind it. Hyphenated license plates identify diplomats and embassy staff.

Some combinations of digits or numbers are also prohibited: JN, HH and AH with 18 with 18. IZ-AN (backwards for NAZI) and HEI-L are also seen as critical combinations: IN, AH, JN with 18, AH and AH and JN and HH with 18 are prohibited.