Regulation (EU) No 531/2012 of the European Parliament and of the CouncilShow full title
Regulation (EU) No 531/2012 of the European Parliament and of the Council of 13 June 2012 on roaming on public mobile communications networks within the Union (recast) (Text with EEA relevance)
Member States shall notify to the Commission the identity of the national regulatory authorities responsible for carrying out tasks under this Regulation.