<ul><li><a href=https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:02004R0549-20091204 target=_blank>Single European Sky package(Single European Sky package(Regulations (EC) 549/2004of the European Parliament and of the Council laying down the framework for the creation of the single European sky (the framework Regulation) , and 550/2004, 551/2004 and 552/2004, OJ L 96, p. 1-9; 10-19; 20-25; 26-42, adopted on 10 March 2004). Last amended by Regulation 1070/2009. Article 3. )</a></li></ul>