Websites of the National Administrations
| Austria | www.bmvit.gv.at |
| Belgium | www.bipt.be |
| The Rep. of Bulgaria | www.marad.bg |
| Croatia | www.t.ht.hr |
| France | www.anfr.fr |
| Germany | www.bundesnetzagentur.de |
| Hungary | www.nmhh.hu |
| Luxembourg | www.ilr.lu |
| Moldova | |
| Montenegro | www.pomorstvo.me |
| The Netherlands | www.agentschaptelecom.nl |
| Poland | www.en.uke.gov.pl |
| Romania | www.ancom.org.ro |
| The Slovak Republic | www.teleoff.gov.sk |
| Switzerland | www.bakom.admin.ch |
| The Czech Republic | www.ctu.cz |
| Serbia | www.ratel.rs |
| Danube Commission | www.danubecommission.org |
| Rhine Commission | www.ccr-zkr.org |