| Albania | National Council of Radio and Telecommunication (NCRT) |
| Belgium | Conseil Supérieur de l'Audiovisuel de la Communauté Française (French Community) |
| Belgium | Vlaams Regulator voor de Media (Flemish Community) |
| Bosnia-Herzegovina | Communication Regulatory Agency (CRA) |
| Bulgaria | Council for Electronic Media (CEM) |
| Canada | Canadian Radio-television and Telecommunications Commission (CRTC) |
| Canada | Industry Canada |
| Cyprus | Cyprus Radio-Television Authority |
| Czech Republic | Czech Telecommunication Office (CTU) |
| Czech Republic | Council for Radio and TV Broadcasting of the Czech Republic |
| Denmark | Radio and Television Board |
| Denmark | European Communications Office (ECO) |
| Estonia | Estonian Broadcasting Council |
| Finland | The Finnish Communications Regulatory Authority (FICORA) |
| France | Conseil Supérieur de l'Audiovisuel (CSA) |
| Germany | Federal Network Agency (BNetzA) |
| Germany | Direktorenkonferenz der Landesmedienanstalten (DLM) |
| Germany | Arbeitsgemeinschaft der Landesmedienanstalten (ALM)
c/o Landesanstalt für Rundfunk Nordrhein-Westfalen (LfR) |
| Greece | National Council for Radio and Televison (NCRTV) |
| Hungary | National Radio and Television Commission (ORTT) |
| Hungary | National Media and Infocommunications Authority (NMHH) |
| Ireland | Broadcasting Commission of Ireland (BCI) |
| Israel | Council for Cable TV and Satellite Broadcasting (CCTSB) |
| Israel | 2nd Authority for Television and Radio |
| Italy | The Communication Regulatory Authority (AGCOM) |
| Italy | Italian Communication Ministry |
| Latvia | National Broadcasting Council |
| Liechtenstein | The Office for Communications |
| Lithuania | Communications Regulatory Authority (RRT) |
| Lithuania | Lithuanian Radio and Television Commission |
| Luxembourg | Institut Luxembourgeois de Régulation (ILR) |
| Macedonia | Broadcasting Council of the Republic of Macedonia |
| Malta | Ministry for Infrastructure, Transport & Communications (mitc) |
| Malta | Malta Broadcasting Authority |
| Netherlands | Commissariaat voor de Media |
| Norway | Medietilsynet/Norwegian Media Authority |
| Poland | National Broadcasting Council (KRRiT) |
| Portugal | ANACOM/Autoridade Nacional de Comunicacoes |
| Portugal | Regulatory Authority for the Media |
| Romania | National Audiovisual Council (CNA) |
| Slovak Republic | Telecommunications Regulatory Authority of the Slovak Republic (TU SR) |
| Slovakia | Institution Council for Broadcasting and Retransmission of the Slovak Republic |
| Slovenia | Post and Electronic Communications Agency of the Republik of Slovakia |
| Spain | Catalan Audiovisual Council (CAC) / Consejo del Audiovisual de Cataluña (CAC) |
| Sweden | Institution Swedish Broadcasting Commission |
| Sweden | Institution Radio and TV Authority (RTVV ) |
| Switzerland | Federal Office of Communications (BAKOM) |
| Turkey | Turkish Radio and Television Supreme Council (RTÜK) |
| UK | Office of Communications (Ofcom) |
| Ukraine | The National Television and Radio Broadcasting Council of Ukraine |
| United Kingdom | Independent Television Commission (ITC) |
| United Kingdom | Radio Authority |
| USA | Federal Communications Commission (FCC) |
