| Country | Action | Action Date | Effective Date |
|---|
| AUSTRIA | Signature | 17/02/1970 | |
| BELGIUM | Signature | 13/05/1964 | |
| BELGIUM | Ratification | 13/08/1969 | |
| BELGIUM | Declaration | 13/08/1969 | |
| CYPRUS | Signature | 15/04/1992 | |
| CYPRUS | Ratification | 15/04/1992 | 16/04/1993 |
| CYPRUS | Declaration | 15/04/1992 | |
| CZECH REPUBLIC | Signature | 10/02/2000 | |
| CZECH REPUBLIC | Ratification | 08/09/2000 | |
| CZECH REPUBLIC | Declaration | 08/09/2000 | |
| DENMARK | Signature | 16/04/1964 | |
| DENMARK | Ratification | 16/02/1973 | 17/02/1974 |
| DENMARK | Declaration | 16/02/1973 | |
| DENMARK | Declaration | 10/06/1980 | |
| ESTONIA | Signature | 24/01/2000 | |
| ESTONIA | Declaration | 19/05/2004 | 01/01/1900 |
| ESTONIA | Ratification | 19/05/2004 | 20/05/2005 |
| FRANCE | Signature | 04/10/1976 | |
| FRANCE | Ratification | 17/02/1986 | 18/02/1987 |
| FRANCE | Declaration | 17/02/1986 | |
| GERMANY FEDERAL REPUBLIC | Signature | 16/04/1964 | |
| GERMANY FEDERAL REPUBLIC | Declaration | 27/01/1971 | |
| GERMANY FEDERAL REPUBLIC | Ratification | 27/01/1971 | |
| GREECE | Signature | 21/04/1977 | |
| GREECE | Ratification | 09/06/1981 | 10/06/1982 |
| GREECE | Declaration | 09/06/1981 | |
| IRELAND, REPUBLIC OF | Signature | 16/02/1971 | |
| IRELAND, REPUBLIC OF | Ratification | 16/02/1971 | |
| IRELAND, REPUBLIC OF | Declaration | 16/02/1971 | |
| ITALY | Signature | 16/04/1964 | |
| ITALY | Ratification | 20/01/1977 | 21/01/1978 |
| Land Berlin | Extension | 27/01/1971 | |
| LATVIA | Signature | 28/11/2003 | 01/01/1900 |
| LITHUANIA | Signature | 15/11/2005 | |
| LUXEMBOURG | Signature | 16/04/1964 | |
| LUXEMBOURG | Ratification | 03/04/1968 | |
| LUXEMBOURG | Declaration | 03/04/1968 | |
| MOLDOVA REPUBLIC OF | Signature | 16/09/2003 | 01/01/1900 |
| NETHERLANDS THE | Signature | 15/07/1964 | |
| NETHERLANDS THE | Ratification | 16/03/1967 | |
| NETHERLANDS THE | Declaration | 16/03/1967 | |
| NETHERLANDS THE | Declaration | 14/03/1997 | |
| NETHERLANDS THE | Declaration | 04/03/1998 | |
| NETHERLANDS THE | Declaration | 22/02/2007 | 17/03/2008 |
| NORWAY | Signature | 16/04/1964 | |
| NORWAY | Ratification | 25/03/1966 | |
| NORWAY | Declaration | 25/03/1966 | |
| PORTUGAL | Signature | 19/11/1981 | |
| PORTUGAL | Ratification | 15/05/1984 | 16/05/1985 |
| PORTUGAL | Declaration | 15/05/1984 | |
| ROMANIA | Signature | 22/05/2002 | |
| ROMANIA | Ratification | 09/10/2009 | 10/10/2010 |
| SLOVAKIA | Signature | 24/02/2010 | 24/02/2010 |
| SLOVENIA | Signature | 20/01/2003 | |
| SLOVENIA | Ratification | 26/02/2004 | 27/02/2005 |
| SPAIN | Signature | 12/02/1993 | |
| SPAIN | Ratification | 08/03/1994 | 09/03/1995 |
| SPAIN | Declaration | 08/03/1994 | |
| SWEDEN | Signature | 16/04/1964 | |
| SWEDEN | Ratification | 25/09/1965 | |
| SWEDEN | Declaration | 25/09/1965 | |
| SWITZERLAND | Signature | 01/12/1976 | |
| SWITZERLAND | Ratification | 16/09/1977 | |
| SWITZERLAND | Declaration | 16/09/1977 | |
| TURKEY | Signature | 13/05/1964 | |
| TURKEY | Ratification | 07/03/1980 | |
| TURKEY | Declaration | 07/03/1980 | |
| TURKEY | Reservation | 07/03/1980 | |
| UNITED KINGDOM | Signature | 14/03/1967 | |
| UNITED KINGDOM | Declaration | 14/03/1967 | |
| UNITED KINGDOM | Ratification | 12/01/1968 | 13/01/1969 |
| UNITED KINGDOM | Ratification | 12/01/1968 | |