- Austria
- Belgium-Flemish-Community
- Belgium-French-Community
- Belgium-German-Speaking-Community
- Bosnia and Herzegovina
- Bulgaria
- Croatia
- Cyprus
- Czechia
- Denmark
- Estonia
- Finland
- France
- Germany
- Greece
- Hungary
- Iceland
- Ireland
- Italy
- Latvia
- Lithuania
- Luxembourg
- Malta
- Montenegro
- Netherlands
- Norway
- Poland
- Portugal
- Republic of North Macedonia
- Romania
- Serbia
- Slovakia
- Slovenia
- Spain
- Sweden
- Türkiye
