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
International Cultivar Registration Authority International Cultivar Registration Authority An International Cultivation Registration Authority (ICRA) is an organization responsible for ensuring that the name of plant cultivars and cultivar groups are defined and not duplicated. The ICRA system was established more 50 years ago, and operates under the International Code of Nomenclature for Cultivated Plants (ICNCP), which in turn works with the International Code of Nomenclature for algae, fungi, and plants. Its chief aim is to prevent duplicated uses of epithets for cultivars and cultivar groups within a defined denomination class (usually a genus), and to ensure that names are in accord with the latest