Federal Network Agency | Managing Administration of the "HCM Agreement"

Austria	Bundesministerium für Landwirtschaft, Regionen und Tourismus
Belgium	Institut Belge des Postes et Telecommunications (BIPT)
Croatia	Croatian Instititute of Telecommunications
Czech Republic	Czech Telecommunikation Office
France	Agence Nationale des Fréquence (ANFR)
Germany	Bundesnetzagentur für Elektrizität, Gas, Telekommunikation, Post und Eisenbahnen (BNetzA)
Hungary	Nemzeti Média és Hírközlési Hatóság / National Media and Infocommunications Authority
Italy	L'Autorità per le garanzie nelle communicazioni (AGC)
Liechtenstein	Office for Communications
Lithuania	Lithuanian Telecommunications Regulator
Luxembourg	Institut Luxembourgeois de Régulation (ILR)
Poland	Office of Telecommunications Regulation
Romania	National Authority for Management and Regulation in Communications (ANCOM)
Slovak Republic	Telecommunikations Office of the Slovak Republic
Slovenia	Telecommunications and Broadcasting Agency of the Republic of Slovenia
Switzerland	Bundesamt für Kommunikation
The Netherlands	Radio Communications Agency Netherlands