Initially, the UP will cover 17 EU states: Austria (AT), Belgium (BE), Bulgaria (BG), Denmark (DK), Estonia (EE), Finland (FI), France (FR), Germany (DE), Italy (IT), Latvia (LV), Lithuania (LT), Luxembourg (LU), Malta (MT), the Netherlands (NL), Portugal (PT), Slovenia (SI) and Sweden (SE). The system may be expanded to other EU states later.