The Republic of Croatia is its entry into the European Union became part of the Union's single market which lifted tariffs on all trade traffic between Member States and providing a unified system of customs clearance of imports and exports in trade with third countries. In Croatia, since then the Customs law of the European Union and the Croatian regulations that have been adopted on the basis of regulations of the European Union. Import and export goods trade that takes place between Member States and nonmember countries of the Customs procedures carried out by the competent customs authorities of the Member States in accordance with EU regulations and national regulations for their area adopted pursuant to the regulations of the Union. Economic operators and other persons engaged in activities which are subject to customs regulations, subject to the system of registration and identification of economic operators, and are bound to the competent customs office to apply for an EORI number. Trade exchange between the Croatian and the other Member States is not subject to customs supervision, or the exception of goods which does not have the status of Community goods. Any goods that are intended to bring / carry in / from the customs territory must be announced electronically to the Customs Service (exit / entry declaration)