ARCHIVED: this Practice Note is no longer maintained as it covers the implementation of EU free movement law in the UK prior to IP completion day, on which date domestic legislation implementing EU free movement law was revoked, subject to certain savings and modifications. For further details, including of the relevant savings and the position of CJEU case law, see Practice Note: Brexit and the end of EU free movement law in the UK. The Practice Note has been retained in archived form for historical interest, because EU law as previously implemented in the UK remains relevant in certain limited situations. For historical versions of the Immigration (European Economic Area) Regulations 2016, SI 2016/1052, including immediately prior to revocation, see Legislation.gov.uk. For the ongoing development of EU free movement law in EU Member States, see: Immigration, employment & share incentives (EU Law)—overview. This Practice Note looks at issues that are specific to the acquisition of permanent residence (PR) for nationals of the ten eastern European countries that acceded to the European Union