<ul><li><a href=http://eur-lex.europa.eu/legal-content/EN/TXT/PDF/?uri=CELEX:12012E/TXT&from=EN target=_blank>Treaty on the Functioning of the European Union(Treaty on the Functioning of the European Union, Article 45)</a></li><li><a href=http://eur-lex.europa.eu/legal-content/EN/ALL/?uri=CELEX:31996L0071 target=_blank>Directive 96/71/EC(Directive 96/71/EC of the European Parliament and of the Council of 16 December 1996 concerning the posting of workers in the framework of the provision of services)</a></li></ul>