Member States
| MEMBER STATES | SINCE |
|---|---|
| ALBANIA | 18 February 1993 |
| ANDORRA | 2 December 1994 |
| ARMENIA | 13 October 1992 |
| AUSTRIA | 30 April 1985 |
| AZERBAIJAN | 13 May 1992 |
| BELARUS | 8 September 1994 |
| BELGIUM | 3 July 1985 |
| BOSNIA HERZEGOVINA | 22 March 1993 |
| BULGARIA | 21 May 1996 |
| CROATIA | 19 November 1992 |
| CYPRUS | 17 July 1985 |
| CZECH REPUBLIC | 15 December 1993 |
| DENMARK | 17 July 1984 |
| FINLAND | 31 January 1985 |
| FRANCE | 12 January 1984 |
| GEORGIA | 3 December 1992 |
| GERMANY | 3 December 1984 |
| GREECE | 26 August 1987 |
| HUNGARY | 21 October 1993 |
| ICELAND | 12 June 1987 |
| IRELAND | 20 March 1985 |
| ITALY | 3 July 1985 |
| KAZAKHSTAN | 22 May 1998 |
| LATVIA | 23 September 1994 |
| LIECHTENSTEIN | 4 February 1987 |
| LITHUANIA | 28 October 1991 |
| LUXEMBOURG | 27 August 1987 |
| MALTA | 5 February 1987 |
| MONACO | 23 May 1984 |
| MONTENEGRO | 28 October 2009 |
| NETHERLANDS | 29 April 1985 |
| NORTH MACEDONIA | 14 June 2000 |
| NORWAY | 24 February 1984 |
| POLAND | 20 December 1991 |
| PORTUGAL | 17 December 1985 |
| REPUBLIC OF MOLDOVA | 13 May 1994 |
| ROMANIA | 29 October 1990 |
| RUSSIA | 4 July 1994 |
| SAN MARINO | 7 March 1985 |
| SERBIA | 14 May 2002 |
| SLOVAK REPUBLIC | 1 January 1993 |
| SLOVENIA | 19 November 1997 |
| SPAIN | 31 January 1985 |
| SWEDEN | 10 January 1984 |
| SWITZERLAND | 15 July 1985 |
| TURKEY | 18 June 1985 |
| UKRAINE | 27 December 1993 |
| UNITED KINGDOM | 21 February 1985 |
| VATICAN | 20 March 1985 |