| Country | Action | Action Date | Effective Date |
|---|---|---|---|
| ALBANIA | Signature | 02/10/1996 | |
| ALBANIA | Ratification | 02/10/1996 | 02/10/1996 |
| ALBANIA | Reservation | 02/10/1996 | |
| ANDORRA | Signature | 31/05/2007 | |
| ANDORRA | Ratification | 06/05/2008 | 06/05/2008 |
| Anguilla | Extension | 25/02/1988 | |
| Anguilla | Reservation | 25/02/1988 | |
| Antilles | Extension | 01/01/1986 | 01/01/1986 |
| ARMENIA | Signature | 25/01/2001 | |
| ARMENIA | Ratification | 26/04/2002 | |
| Aruba | Extension | 01/01/1986 | 01/01/1986 |
| AUSTRIA | Signature | 13/12/1957 | |
| AUSTRIA | Ratification | 03/09/1958 | 03/09/1958 |
| AZERBAIJAN | Signature | 25/01/2001 | |
| AZERBAIJAN | Ratification | 15/04/2002 | 15/04/2002 |
| AZERBAIJAN | Declaration | 15/04/2002 | |
| BELGIUM | Signature | 20/03/1952 | |
| BELGIUM | Ratification | 14/06/1955 | 14/06/1955 |
| BELGIUM | Declaration | 14/06/1955 | |
| BOSNIA AND HERZEGOVINA | Signature | 24/04/2002 | |
| BOSNIA AND HERZEGOVINA | Ratification | 12/07/2002 | 12/07/2002 |
| British Virgin Islands | Extension | 25/02/1988 | |
| British Virgin Islands | Reservation | 25/02/1988 | |
| BULGARIA | Signature | 07/05/1992 | |
| BULGARIA | Ratification | 07/09/1992 | 07/09/1992 |
| BULGARIA | Reservation | 07/09/1992 | |
| BULGARIA | Declaration | 07/09/1992 | |
| Cayman Islands | Extension | 25/02/1988 | |
| Cayman Islands | Reservation | 25/02/1988 | |
| CROATIA | Signature | 06/11/1996 | |
| CROATIA | Ratification | 05/11/1997 | 05/11/1997 |
| CYPRUS | Signature | 16/12/1961 | |
| CYPRUS | Ratification | 06/10/1962 | 06/10/1962 |
| CZECH REPUBLIC | Accession | 02/08/1993 | 01/01/1993 |
| CZECHOSLOVAKIA | Signature | 21/02/1991 | |
| CZECHOSLOVAKIA | Ratification | 18/03/1992 | 18/03/1992 |
| DENMARK | Signature | 20/03/1952 | |
| DENMARK | Ratification | 13/04/1953 | 18/05/1954 |
| ESTONIA | Signature | 14/05/1993 | |
| ESTONIA | Ratification | 16/04/1996 | 16/04/1996 |
| FINLAND | Signature | 05/05/1989 | |
| FINLAND | Ratification | 10/05/1990 | 10/05/1990 |
| FRANCE | Signature | 20/03/1952 | |
| FRANCE | Ratification | 03/05/1974 | 03/05/1974 |
| FRANCE | Declaration | 03/05/1974 | |
| FRANCE | Statement | 04/12/1979 | |
| GEORGIA | Signature | 17/06/1999 | |
| GEORGIA | Ratification | 07/06/2002 | 07/06/2002 |
| GEORGIA | Reservation | 07/06/2002 | |
| GEORGIA | Declaration | 07/06/2002 | |
| GERMANY FEDERAL REPUBLIC | Signature | 20/03/1952 | |
| GERMANY FEDERAL REPUBLIC | Ratification | 13/02/1957 | 13/02/1957 |
| GERMANY FEDERAL REPUBLIC | Declaration | 13/02/1957 | |
| GERMANY FEDERAL REPUBLIC | Statement | 17/07/1979 | |
| Gibraltar | Extension | 25/02/1988 | |
| Gibraltar | Reservation | 25/02/1988 | |
| GREECE | Signature | 20/03/1952 | |
| GREECE | Reservation | 20/03/1952 | |
| GREECE | Ratification | 28/03/1953 | |
| GREECE | Denunciation | 12/12/1969 | 13/06/1970 |
| GREECE | Ratification | 28/11/1974 | 28/11/1974 |
| GREECE | Declaration | 28/11/1974 | |
| GREECE | Reservation | 28/11/1974 | |
| GREECE | Letter | 23/08/1979 | |
| GREECE | Withdrawal Res. | 07/02/1985 | 01/01/1984 |
| Greenland | Extension | 13/04/1953 | |
| Guernsey, Bailiwick of | Reservation | 25/01/1988 | |
| Guernsey, Bailiwick of | Extension | 25/02/1988 | |
| HUNGARY | Signature | 06/11/1990 | |
| HUNGARY | Ratification | 05/11/1992 | 05/11/1992 |
| ICELAND | Signature | 20/03/1952 | |
| ICELAND | Ratification | 29/06/1953 | 18/05/1954 |
| IRELAND, REPUBLIC OF | Signature | 20/03/1952 | |
| IRELAND, REPUBLIC OF | Ratification | 25/02/1953 | 18/05/1954 |
| Isle of Man | Extension | 10/10/2001 | 10/10/2001 |
| Isle of Man | Reservation | 10/10/2001 | |
| ITALY | Signature | 20/03/1952 | |
| ITALY | Ratification | 26/10/1955 | 26/10/1955 |
| Jersey, Bailiwick of | Extension | 25/02/1988 | |
| Land Berlin | Extension | 13/02/1957 | |
| LATVIA | Signature | 21/03/1997 | |
| LATVIA | Ratification | 27/06/1997 | 27/06/1997 |
| LATVIA | Reservation | 27/06/1997 | |
| LIECHTENSTEIN | Signature | 07/05/1987 | |
| LIECHTENSTEIN | Ratification | 14/11/1995 | 14/11/1995 |
| LITHUANIA | Signature | 14/05/1993 | |
| LITHUANIA | Ratification | 24/05/1996 | 24/05/1996 |
| LUXEMBOURG | Signature | 20/03/1952 | |
| LUXEMBOURG | Ratification | 03/09/1953 | 18/05/1954 |
| LUXEMBOURG | Reservation | 03/09/1953 | |
| MACEDONIA THE FYR OF | Signature | 14/06/1996 | |
| MACEDONIA THE FYR OF | Ratification | 10/04/1997 | |
| MACEDONIA THE FYR OF | Reservation | 10/04/1997 | |
| MALTA | Signature | 12/12/1966 | |
| MALTA | Ratification | 23/01/1967 | 23/01/1967 |
| MOLDOVA REPUBLIC OF | Signature | 02/05/1996 | |
| MOLDOVA REPUBLIC OF | Ratification | 12/09/1997 | 12/09/1997 |
| MOLDOVA REPUBLIC OF | Declaration | 12/09/1997 | |
| MONACO | Signature | 05/10/2004 | 01/01/1900 |
| MONTENEGRO | Succession | 09/05/2007 | 06/06/2007 |
| Montserrat | Extension | 25/02/1988 | |
| Montserrat | Reservation | 25/02/1988 | |
| NETHERLANDS THE | Signature | 20/03/1952 | |
| NETHERLANDS THE | Ratification | 31/08/1954 | 31/08/1954 |
| NETHERLANDS THE | Declaration | 01/01/1986 | 01/01/1986 |
| NORWAY | Signature | 20/03/1952 | |
| NORWAY | Ratification | 18/12/1952 | 18/05/1954 |
| NORWAY | Declaration | 09/12/1957 | 09/12/1957 |
| POLAND | Signature | 14/09/1992 | |
| POLAND | Ratification | 10/10/1994 | 10/10/1994 |
| PORTUGAL | Signature | 22/09/1976 | |
| PORTUGAL | Ratification | 09/11/1978 | 09/11/1978 |
| PORTUGAL | Reservation | 09/11/1978 | |
| PORTUGAL | Withdrawal Res. | 11/05/1985 | |
| ROMANIA | Signature | 04/11/1993 | |
| ROMANIA | Ratification | 20/06/1994 | 20/06/1994 |
| ROMANIA | Declaration | 20/06/1994 | |
| RUSSIAN FEDERATION | Signature | 28/02/1996 | |
| RUSSIAN FEDERATION | Ratification | 05/05/1998 | 05/05/1998 |
| SAAR TERRITORY | Signature | 20/03/1952 | |
| SAAR TERRITORY | Ratification | 14/01/1953 | |
| SAN MARINO | Signature | 01/03/1989 | |
| SAN MARINO | Ratification | 22/03/1989 | 22/03/1989 |
| SAN MARINO | Reservation | 22/03/1989 | |
| SERBIA AND MONTENEGRO | Signature | 03/04/2003 | 01/01/1900 |
| SERBIA AND MONTENEGRO | Ratification | 03/03/2004 | 03/03/2004 |
| SLOVAK REPUBLIC | Accession | 01/01/1993 | |
| SLOVENIA | Signature | 14/05/1993 | |
| SLOVENIA | Ratification | 28/06/1994 | 28/06/1994 |
| SPAIN | Signature | 23/02/1978 | |
| SPAIN | Ratification | 27/11/1990 | 27/11/1990 |
| SPAIN | Reservation | 27/11/1990 | |
| SPAIN | Declaration | 27/11/1990 | |
| St Helena | Extension | 25/02/1988 | |
| St Helena | Reservation | 25/02/1988 | |
| St Helena Dependencies | Extension | 25/02/1988 | |
| St Helena Dependencies | Reservation | 25/02/1988 | |
| St Helena Dependencies | Communication | 18/11/2009 | |
| Surinam | Extension | 01/12/1955 | |
| Surinam | Reservation | 01/12/1955 | |
| SWEDEN | Signature | 20/03/1952 | |
| SWEDEN | Ratification | 22/06/1953 | 18/05/1954 |
| SWEDEN | Reservation | 22/06/1953 | |
| SWEDEN | Withdrawal Res. | 01/01/1995 | |
| SWITZERLAND | Signature | 19/05/1976 | |
| TURKEY | Signature | 20/03/1952 | |
| TURKEY | Ratification | 18/05/1954 | 18/05/1954 |
| TURKEY | Reservation | 18/05/1954 | |
| TURKEY | Communication | 19/03/1984 | |
| TURKEY | Communication | 05/07/1984 | |
| Turks And Caicos Islands | Extension | 25/02/1988 | |
| Turks And Caicos Islands | Reservation | 25/02/1988 | |
| Turks And Caicos Islands | Declaration | 14/08/2009 | 14/08/2009 |
| Turks And Caicos Islands | Declaration | 19/12/2012 | |
| UKRAINE | Signature | 19/12/1996 | |
| UKRAINE | Ratification | 11/09/1997 | 11/09/1997 |
| UNITED KINGDOM | Signature | 20/03/1952 | |
| UNITED KINGDOM | Reservation | 20/03/1952 | |
| UNITED KINGDOM | Ratification | 03/11/1952 | 18/05/1954 |
| UNITED KINGDOM | Statement | 07/02/1979 | |
| UNITED KINGDOM | Declaration | 19/12/2012 | |
| West Indies | Extension | 01/12/1955 | |
| West Indies | Reservation | 01/12/1955 | |
| YUGOSLAVIA, FEDERAL REPUBLIC OF | Signature | 03/04/2003 |