Distinguishing Signs used on Vehicles in International Traffic
Notified to the Secretary General of the United Nations
In accordance with the 1968 Convention on Road Traffic (article 45 (4)) and the 1949 Convention on Road Traffic

Distinguishing sign of the State of registration
1. (a) Every motor vehicle in international traffic shall display at the rear, in addition to its registration number, the distinguishing sign of the State in which it is registered.
(b) This sign may either be placed separately from the registration plate or may be incorporated into the registration plate.
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