EUROPEAN COMMISSION, Commission Priority - Digital Single Market - Bringing down barriers to unlock online opportunities, http://ec.europa.eu/priorities/digital-single-market/ (last visited Dec. 1, 2015)
Regulation (EU) No 531/2012 on roaming on public mobile communications networks within the Union – Adopted by the Council on 1 October 2015, 10788/2/15 REV 2, Article 3(1), Article 3(3), Article 3(3) para. 3, Article 3(3) para. 2, Article 5, Article 3(5), Article 4(), Article 4(1)a-d, Article 4(2)