International vehicle registration code registration plate. When the distinguishing sign is incorporated in the registration plate, it must also appear on the front registration plate of the vehicle. The requirement to display a separate distinguishing sign is not necessary within the European Economic Area, for vehicles with license plates in the common EU format which satisfy the requirements of the Vienna Convention, and so are also valid in non-EU countries signatory to the convention. Separate signs are also not needed for Canada, Mexico and the United States, where the province, state or district of registration is usually embossed or surface-printed on the vehicle registration
Vehicle registration plates of the Netherlands system uses black letters on a light-reflecting yellow background. The previous series used white reflecting letters on a dark-blue background. Their numbering schemes however are the same. Dutch car number plates can be formatted as follows: Nowadays the letters used do not include vowels, so as to avoid profane or obscene language. To avoid confusion with a zero, the letters C and Q are also omitted. Letters and numbers are issued in strict alphabetical/numeric order. Thus a Dutch licence plate gives an indication of the date of registration of a car, but no information about where in the country the