Enlargement of the European Union and "morally imperative", which reflected the desire of the EU to admit these countries as members, even though they were less developed than the Western European countries. Following this Romania and Bulgaria, though were deemed initially as not fully ready by the Commission to join in 2004, acceded nevertheless on 1 January 2007. These, like the countries joining in 2004, faced a series of restrictions as to their citizens not fully enjoying working rights on the territory of some of the older EU members. Bulgaria and Romania are not yet members of the Schengen area; however, their citizens can travel
Poland in the European Union Lithuania, Malta, Polish, Slovakia, Slovenia and Hungary) entering the European Union. On 1 May 2004 Poland became a full member of the European Union, along with 9 other European countries. According to information provided by the Ministry of Finance (on 8 February 2006), Poland had to be ready to join the eurozone by 2009, however, this was postponed to at least 2018. The Minister of Finance announced a regulation that, as of 15 April 2004, a consumer or a recipient of services is able to pay for their goods or services using euros. On 13 December 2007, the Reform Treaty