| Country | Action | Action Date | Effective Date |
|---|
| ALBANIA | Ratification | 09/09/2011 | 10/12/2011 |
| AUSTRIA | Signature | 19/08/1976 | |
| AUSTRIA | Reservation | 19/08/1976 | |
| AUSTRIA | Ratification | 28/05/1980 | 29/08/1980 |
| AUSTRIA | Reservation | 28/05/1980 | |
| AUSTRIA | Reservation | 08/09/1986 | |
| AZERBAIJAN | Accession | 28/03/2000 | 29/06/2000 |
| CYPRUS | Signature | 01/12/1978 | |
| CYPRUS | Ratification | 11/07/1979 | 12/10/1979 |
| CZECH REPUBLIC | Signature | 26/04/2000 | |
| CZECH REPUBLIC | Ratification | 07/03/2001 | 08/06/2001 |
| DENMARK | Signature | 15/10/1975 | |
| DENMARK | Ratification | 18/01/1979 | 16/04/1979 |
| DENMARK | Reservation | 18/01/1979 | |
| FRANCE | Signature | 02/09/1977 | |
| GEORGIA | Signature | 07/11/2001 | |
| GEORGIA | Ratification | 30/04/2002 | 31/07/2002 |
| GREECE | Signature | 10/05/1988 | |
| GREECE | Ratification | 15/06/1988 | 16/09/1988 |
| Guernsey, Bailiwick of | Extension | 24/02/1981 | 25/05/1981 |
| Guernsey, Bailiwick of | Reservation | 24/02/1981 | |
| ICELAND | Signature | 27/01/1977 | |
| IRELAND | Signature | 05/10/1988 | |
| IRELAND | Ratification | 05/10/1988 | 06/01/1989 |
| Isle of Man | Extension | 08/11/1985 | 01/01/1986 |
| Isle of Man | Reservation | 08/11/1985 | |
| Isle of Man | Reservation | 20/05/1986 | |
| ITALY | Signature | 11/02/1981 | |
| ITALY | Reservation | 11/02/1981 | |
| LATVIA | Signature | 17/09/1999 | |
| LATVIA | Ratification | 01/07/2003 | 02/10/2003 |
| LIECHTENSTEIN | Signature | 02/09/1996 | |
| LIECHTENSTEIN | Ratification | 17/04/1997 | 18/07/1997 |
| LIECHTENSTEIN | Declaration | 17/04/1997 | |
| LIECHTENSTEIN | Reservation | 17/04/1997 | |
| LITHUANIA | Ratification | 17/04/1997 | 18/07/1997 |
| LUXEMBOURG | Signature | 15/10/1975 | |
| LUXEMBOURG | Reservation | 15/10/1975 | |
| LUXEMBOURG | Reservation | 01/04/1982 | |
| LUXEMBOURG | Reservation | 18/06/1987 | |
| LUXEMBOURG | Reservation | 27/05/1994 | |
| LUXEMBOURG | Reservation | 30/05/1994 | |
| LUXEMBOURG | Reservation | 04/07/1997 | 02/07/1997 |
| LUXEMBOURG | Declaration | 02/07/2002 | |
| LUXEMBOURG | Notification | 04/06/2007 | 02/07/2007 |
| LUXEMBOURG | Notification | 27/03/2012 | 02/07/2012 |
| MACEDONIA THE FYR OF | Signature | 03/04/2001 | |
| MACEDONIA THE FYR OF | Ratification | 29/11/2002 | 01/03/2003 |
| MACEDONIA THE FYR OF | Reservation | 29/11/2002 | |
| MOLDOVA REPUBLIC OF | Signature | 27/06/2001 | |
| MOLDOVA REPUBLIC OF | Ratification | 14/03/2002 | 15/06/2002 |
| MOLDOVA REPUBLIC OF | Declaration | 14/03/2002 | |
| NORWAY | Signature | 15/10/1975 | |
| NORWAY | Ratification | 19/08/1976 | 11/08/1978 |
| POLAND | Signature | 11/03/1996 | |
| POLAND | Ratification | 21/06/1996 | 22/09/1996 |
| POLAND | Reservation | 21/06/1996 | |
| POLAND | Reservation | 23/09/2001 | |
| POLAND | Notification | 23/09/2001 | |
| PORTUGAL | Signature | 22/11/1979 | |
| PORTUGAL | Ratification | 07/05/1982 | 08/08/1982 |
| ROMANIA | Accession | 30/11/1992 | 01/03/1993 |
| ROMANIA | Declaration | 16/09/1993 | |
| SWEDEN | Signature | 15/10/1975 | |
| SWEDEN | Ratification | 08/06/1976 | 11/08/1978 |
| SWITZERLAND | Signature | 27/01/1977 | |
| SWITZERLAND | Ratification | 10/05/1978 | 11/08/1978 |
| UKRAINE | Signature | 24/01/2006 | |
| UKRAINE | Ratification | 26/03/2009 | 27/06/2009 |
| UNITED KINGDOM | Signature | 15/10/1975 | |
| UNITED KINGDOM | Ratification | 24/02/1981 | 25/05/1981 |
| UNITED KINGDOM | Reservation | 24/02/1981 | |
| UNITED KINGDOM | Declaration | 24/02/1981 | |
| UNITED KINGDOM | Declaration | 24/05/1986 | |
| UNITED KINGDOM | Reservation | 24/05/1986 | |
| UNITED KINGDOM | Reservation | 24/05/1994 | |
| UNITED KINGDOM | Declaration | 26/05/1994 | 25/05/1991 |
| UNITED KINGDOM | Reservation | 20/05/1996 | 20/05/1996 |
| UNITED KINGDOM | Communication | 28/10/1996 | |
| UNITED KINGDOM | Communication | 23/09/2002 | |