<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 49)</a></li><li><a href=https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:52006XC0801%2801%29 target=_blank>Commission interpretative communication (2006/C 179/02)(Commission interpretative communication (2006/C 179/02) on the Community law applicable to contract awards not or not fully subject to the provisions of the Public Procurement Directives)</a></li></ul>