| Country | Action | Action Date | Effective Date |
|---|
| ALBANIA | Signature | 13/07/1995 | |
| ALBANIA | Ratification | 02/10/1996 | 02/10/1996 |
| Antilles | Extension | 11/10/1966 | 21/09/1970 |
| Antilles | Extension | 01/01/1986 | 01/01/1986 |
| Aruba | Extension | 01/01/1986 | 01/01/1986 |
| AUSTRIA | Signature | 06/05/1963 | |
| AUSTRIA | Ratification | 29/05/1967 | 21/09/1970 |
| BELGIUM | Signature | 05/06/1963 | |
| BELGIUM | Ratification | 21/09/1970 | 21/09/1970 |
| BULGARIA | Signature | 07/05/1992 | |
| BULGARIA | Ratification | 07/09/1992 | 07/09/1992 |
| CROATIA | Signature | 06/11/1996 | |
| CROATIA | Declaration | 06/11/1996 | |
| CYPRUS | Signature | 19/09/1967 | |
| CYPRUS | Ratification | 22/01/1969 | 21/09/1970 |
| CZECH REPUBLIC | Signature | 21/02/1991 | |
| CZECH REPUBLIC | Ratification | 18/03/1992 | 01/06/1993 |
| DENMARK | Signature | 06/05/1963 | 21/09/1970 |
| ESTONIA | Signature | 14/05/1993 | |
| FINLAND | Signature | 05/05/1989 | |
| FINLAND | Ratification | 10/05/1990 | 10/05/1990 |
| FRANCE | Signature | 22/10/1973 | |
| FRANCE | Ratification | 03/05/1974 | 03/05/1974 |
| GERMANY | Signature | 06/05/1963 | |
| GERMANY | Ratification | 03/01/1969 | 21/09/1970 |
| GREECE | Signature | 30/11/1965 | |
| GREECE | Ratification | 08/01/1975 | 28/11/1974 |
| HUNGARY | Signature | 06/11/1990 | |
| HUNGARY | Ratification | 05/11/1992 | 05/11/1992 |
| ICELAND | Signature | 16/11/1967 | |
| ICELAND | Ratification | 16/11/1967 | 21/09/1970 |
| IRELAND, REPUBLIC OF | Signature | 06/05/1963 | |
| IRELAND, REPUBLIC OF | Ratification | 12/09/1963 | 21/09/1970 |
| ITALY | Signature | 06/05/1963 | |
| ITALY | Ratification | 03/04/1967 | 21/09/1970 |
| LATVIA | Ratification | 27/06/1997 | 27/06/1997 |
| LIECHTENSTEIN | Signature | 23/11/1978 | |
| LIECHTENSTEIN | Ratification | 08/09/1982 | 08/09/1982 |
| LITHUANIA | Signature | 14/05/1993 | |
| LITHUANIA | Ratification | 20/06/1995 | 20/06/1995 |
| LUXEMBOURG | Signature | 06/05/1963 | |
| LUXEMBOURG | Ratification | 27/10/1965 | 21/09/1970 |
| MACEDONIA THE FYR OF | Signature | 09/11/1995 | |
| MALTA | Signature | 12/12/1966 | |
| MALTA | Ratification | 23/01/1967 | 21/09/1970 |
| MOLDOVA REPUBLIC OF | Signature | 13/07/1995 | |
| NETHERLANDS THE | Signature | 06/05/1963 | |
| NETHERLANDS THE | Ratification | 11/10/1966 | 21/09/1970 |
| NETHERLANDS THE | Declaration | 01/01/1985 | 01/01/1986 |
| NORWAY | Signature | 06/05/1963 | |
| NORWAY | Ratification | 12/06/1964 | 21/09/1970 |
| POLAND | Signature | 26/11/1991 | |
| POLAND | Ratification | 19/01/1993 | 19/01/1993 |
| PORTUGAL | Signature | 22/09/1976 | |
| PORTUGAL | Ratification | 09/11/1978 | 09/11/1978 |
| RUSSIAN FEDERATION | Signature | 28/02/1996 | |
| SAN MARINO | Signature | 16/11/1988 | |
| SAN MARINO | Ratification | 22/03/1989 | 22/03/1989 |
| SLOVAK REPUBLIC | Signature | 21/02/1991 | |
| SLOVAK REPUBLIC | Ratification | 18/03/1992 | 01/06/1993 |
| SLOVENIA | Signature | 14/05/1993 | |
| SPAIN | Signature | 24/11/1977 | |
| SPAIN | Ratification | 04/10/1979 | 04/10/1979 |
| Surinam | Extension | 11/10/1966 | 21/09/1970 |
| SWEDEN | Signature | 06/05/1963 | |
| SWEDEN | Ratification | 13/06/1964 | 21/09/1970 |
| SWITZERLAND | Signature | 21/12/1972 | |
| SWITZERLAND | Ratification | 28/11/1974 | 28/11/1974 |
| TURKEY | Signature | 06/05/1963 | |
| TURKEY | Ratification | 25/03/1968 | 21/09/1970 |
| UKRAINE | Signature | 09/11/1995 | |
| UNITED KINGDOM | Signature | 06/05/1963 | 21/09/1970 |