 Persons over the age of 18, and who do not have a valid ID, can pay a fine from 3,000 up to 4,500 kn.Failure to show a valid ID to a police officer in a public place can result in a fine of 200 kn.Since Croatia's accession to the EU, in accordance with the Treaty of Accession 2011, on 1 July 2013 the Croatian identity card (except for the pre-2003 version) became a valid travel document within the entire European Economic Area.