http://www.ind.homeoffice.gov.uk/sitecontent/documents/policyandlaw/IDIs/idischapter6/section2.pdf?view=Binary DEVELOPMENTS RESULTING FROM ACCESSION Bulgaria and Romania joined the EU on 1 January 2007. Bulgarian and Romanian nationals may exercise their treaty right of self-employment and so do not...

http://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=OJ:L:2004:158:0077:0123:EN:PDF Article 19 Document certifying permanent residence for Union citizens 1. Upon application Member States shall issue Union citizens entitled to permanent residence, after having verified duration of residence, with a...