| Country | Action | Action Date | Effective Date |
|---|
| ALBANIA | Signature | 08/06/2000 | |
| ALBANIA | Ratification | 17/05/2001 | 18/08/2001 |
| ALBANIA | Communication | 08/04/2002 | |
| Aruba | Extension | 17/06/1986 | 01/01/1986 |
| AUSTRIA | Signature | 06/09/1968 | |
| AUSTRIA | Ratification | 04/10/1971 | |
| AZERBAIJAN | Accession | 26/06/2000 | 27/09/2000 |
| AZERBAIJAN | Declaration | 26/06/2000 | |
| BELARUS | Accession | 02/07/1997 | 03/10/1997 |
| BELARUS | Declaration | 02/07/1997 | |
| BELGIUM | Signature | 31/01/1972 | |
| BELGIUM | Ratification | 16/10/1973 | 17/01/1974 |
| BOSNIA AND HERZEGOVINA | Signature | 17/05/2013 | |
| BOSNIA AND HERZEGOVINA | Ratification | 17/05/2013 | 18/08/2013 |
| BULGARIA | Accession | 31/01/1991 | 01/05/1991 |
| BULGARIA | Declaration | 18/03/1991 | |
| COSTA RICA | Accession | 15/03/1975 | 16/06/1976 |
| CROATIA | Acc. by letter | 18/06/2013 | |
| CYPRUS | Signature | 29/10/1968 | |
| CYPRUS | Ratification | 16/04/1969 | 17/12/1968 |
| CYPRUS | Declaration | 16/12/1976 | |
| CZECH REPUBLIC | Signature | 08/04/1998 | |
| CZECH REPUBLIC | Acceptance | 24/06/1998 | 25/09/1998 |
| CZECH REPUBLIC | Declaration | 24/06/1998 | |
| DENMARK | Signature | 07/06/1968 | |
| DENMARK | Ratification | 09/03/1970 | 10/06/1970 |
| ESTONIA | Signature | 04/11/1993 | |
| ESTONIA | Ratification | 28/04/1997 | 29/07/1997 |
| ESTONIA | Declaration | 28/04/1997 | 29/07/1997 |
| FRANCE | Signature | 07/06/1968 | |
| FRANCE | Acceptance | 10/04/1972 | 11/07/1972 |
| FRANCE | Declaration | 10/04/1972 | |
| GEORGIA | Accession | 18/03/1999 | 19/06/1999 |
| GEORGIA | Reservation | 18/03/1999 | |
| GEORGIA | Communication | 27/06/2008 | |
| GERMANY FEDERAL REPUBLIC | Notification | 01/01/1905 | |
| GERMANY FEDERAL REPUBLIC | Signature | 07/06/1968 | |
| GERMANY FEDERAL REPUBLIC | Ratification | 18/12/1974 | 19/03/1975 |
| GERMANY FEDERAL REPUBLIC | Declaration | 29/02/1996 | |
| GERMANY FEDERAL REPUBLIC | Declaration | 24/01/2000 | 01/01/2000 |
| GERMANY FEDERAL REPUBLIC | Communication | 12/05/2000 | |
| GERMANY FEDERAL REPUBLIC | Communication | 12/02/2002 | |
| GERMANY FEDERAL REPUBLIC | Notification | 20/04/2007 | 20/04/2007 |
| GREECE | Signature | 07/06/1968 | |
| GREECE | Ratification | 05/10/1977 | 06/01/1978 |
| HUNGARY | Accession | 16/11/1989 | 17/02/1990 |
| HUNGARY | Notification | 16/07/1992 | |
| ICELAND | Signature | 27/02/1969 | |
| ICELAND | Ratification | 02/10/1969 | 03/01/1970 |
| ITALY | Signature | 06/11/1968 | |
| ITALY | Ratification | 10/04/1972 | 11/07/1972 |
| Jersey | Extension | 12/03/1970 | |
| Land Berlin | Extension | 18/12/1974 | 19/03/1985 |
| LATVIA | Signature | 29/10/1997 | |
| LATVIA | Ratification | 05/08/1998 | 06/11/1998 |
| LATVIA | Declaration | 02/11/1998 | |
| LIECHTENSTEIN | Accession | 06/11/1972 | 07/02/1973 |
| LITHUANIA | Signature | 14/04/1994 | |
| LITHUANIA | Ratification | 16/10/1996 | 17/01/1997 |
| LITHUANIA | Declaration | 16/10/1996 | |
| LUXEMBOURG | Signature | 07/06/1968 | |
| LUXEMBOURG | Ratification | 14/09/1977 | 15/10/1977 |
| LUXEMBOURG | Declaration | 14/09/1977 | |
| LUXEMBOURG | Communication | 20/04/2010 | |
| MACEDONIA THE FYR OF | Signature | 08/12/2000 | |
| MACEDONIA THE FYR OF | Ratification | 15/01/2003 | 16/04/2003 |
| MACEDONIA THE FYR OF | Declaration | 15/01/2003 | |
| MALTA | Signature | 07/06/1968 | |
| MALTA | Ratification | 22/01/1969 | 17/12/1969 |
| MEXICO | Accession | 21/02/2003 | 22/05/2003 |
| MOLDOVA REPUBLIC OF | Signature | 27/06/2001 | |
| MOLDOVA REPUBLIC OF | Ratification | 14/03/2002 | 15/06/2002 |
| MOLDOVA REPUBLIC OF | Declaration | 14/03/2002 | |
| MOROCCO | Accession | 19/06/2013 | 20/09/2013 |
| NETHERLANDS THE | Signature | 07/06/1968 | |
| NETHERLANDS THE | Acceptance | 01/12/1976 | 02/03/1977 |
| NETHERLANDS THE | Declaration | 23/03/1981 | |
| NETHERLANDS THE | Communication | 12/08/2002 | |
| NORWAY | Signature | 07/06/1968 | |
| NORWAY | Ratification | 30/10/1969 | 01/02/1970 |
| NORWAY | Declaration | 30/10/1969 | |
| NORWAY | Communication | 25/09/2002 | |
| POLAND | Signature | 26/11/1991 | |
| POLAND | Ratification | 14/09/1992 | 15/12/1992 |
| POLAND | Declaration | 22/02/2002 | |
| PORTUGAL | Signature | 27/04/1977 | |
| PORTUGAL | Ratification | 07/08/1978 | 08/11/1978 |
| PORTUGAL | Notification | 07/08/1978 | |
| ROMANIA | Accession | 26/04/1991 | 27/07/1991 |
| ROMANIA | Declaration | 26/04/1991 | |
| ROMANIA | Declaration | 11/03/2009 | 11/03/2009 |
| ROMANIA | Signature | 21/05/2010 | 21/05/2010 |
| RUSSIAN FEDERATION | Notification | 06/04/1992 | |
| SLOVAK REPUBLIC | Signature | 03/11/1995 | |
| SLOVAK REPUBLIC | Declaration | 03/11/1995 | |
| SLOVAK REPUBLIC | Ratification | 05/12/1996 | 06/03/1997 |
| SLOVENIA | Signature | 31/03/1994 | |
| SLOVENIA | Ratification | 01/04/1998 | 02/07/1998 |
| SLOVENIA | Declaration | 01/04/1998 | |
| SOVIET UNION | Accession | 12/02/1991 | 13/05/1991 |
| SOVIET UNION | Declaration | 12/02/1991 | |
| SPAIN | Accession | 19/11/1973 | 20/02/1974 |
| SPAIN | Notification | 15/06/1987 | |
| SPAIN | Communication | 19/07/1994 | |
| SPAIN | Communication | 05/07/1995 | |
| SPAIN | Communication | 26/01/1999 | |
| SPAIN | Declaration | 05/03/2008 | |
| SWEDEN | Signature | 07/06/1968 | |
| SWEDEN | Ratification | 30/10/1969 | 01/02/1970 |
| SWEDEN | Declaration | 30/10/1969 | |
| SWEDEN | Communication | 23/02/2001 | |
| SWITZERLAND | Signature | 23/06/1969 | |
| SWITZERLAND | Ratification | 19/08/1970 | 20/11/1970 |
| TURKEY | Signature | 07/06/1968 | |
| TURKEY | Ratification | 19/12/1975 | 20/03/1976 |
| TURKEY | Reservation | 19/12/1975 | |
| UKRAINE | Accession | 13/06/1994 | 14/09/1994 |
| UKRAINE | Notification | 14/12/2001 | |
| UNITED KINGDOM | Signature | 07/06/1968 | |
| UNITED KINGDOM | Ratification | 16/09/1969 | 17/12/1969 |
| UNITED KINGDOM | Communication | 25/11/2002 | |
| UNITED KINGDOM | Communication | 23/04/2021 | |
| YUGOSLAVIA | Accession | 30/05/2002 | 31/08/2002 |