| Country | Action | Action Date | Effective Date |
|---|
| Aruba | Extension | 01/01/1986 | 01/01/1986 |
| AUSTRIA | Signature | 19/12/1969 | |
| AUSTRIA | Ratification | 14/09/1973 | 15/03/1974 |
| BELGIUM | Signature | 13/12/1968 | |
| BELGIUM | Ratification | 21/11/1973 | 01/07/1974 |
| BULGARIA | Signature | 23/05/2003 | |
| CYPRUS | Declaration | 01/01/1905 | |
| CYPRUS | Signature | 27/02/1976 | |
| CYPRUS | Ratification | 08/02/1977 | 09/08/1977 |
| CYPRUS | Denunciation | 10/05/2010 | 11/11/2010 |
| CZECH REPUBLIC | Signature | 24/06/1998 | |
| DENMARK | Signature | 13/12/1968 | |
| DENMARK | Ratification | 24/06/1969 | 20/02/1971 |
| DENMARK | Declaration | 24/06/1969 | |
| FINLAND | Accession | 04/02/1975 | 05/08/1975 |
| FRANCE | Signature | 13/12/1968 | |
| FRANCE | Ratification | 09/01/1974 | 01/07/1974 |
| GERMANY FEDERAL REPUBLIC | Signature | 13/12/1968 | |
| GERMANY FEDERAL REPUBLIC | Ratification | 09/01/1974 | 01/07/1974 |
| Gibraltar | Extension | 13/09/1979 | 13/09/1979 |
| GREECE | Signature | 13/12/1968 | |
| GREECE | Ratification | 25/05/1978 | 26/11/1978 |
| Guernsey, Bailiwick of | Extension | 09/09/1983 | 09/09/1983 |
| ICELAND | Signature | 13/12/1968 | |
| ICELAND | Ratification | 01/05/1969 | 20/02/1971 |
| IRELAND, REPUBLIC OF | Signature | 24/09/1969 | |
| IRELAND, REPUBLIC OF | Ratification | 14/03/1975 | 15/09/1975 |
| IRELAND, REPUBLIC OF | Declaration | 14/03/1975 | |
| Isle of Man | Extension | 01/07/1974 | 01/07/1974 |
| ITALY | Signature | 25/05/1971 | |
| ITALY | Ratification | 03/05/1974 | 04/11/1974 |
| Jersey, Bailiwick of | Extension | 09/09/1983 | 09/09/1983 |
| Land Berlin | Extension | 09/01/1974 | 01/07/1974 |
| LITHUANIA | Signature | 11/09/2003 | 01/01/1900 |
| LITHUANIA | Ratification | 02/03/2004 | 03/09/2004 |
| LUXEMBOURG | Signature | 23/06/1971 | |
| LUXEMBOURG | Ratification | 13/04/1972 | 13/04/1972 |
| NETHERLANDS THE | Signature | 16/05/1975 | |
| NETHERLANDS THE | Ratification | 04/09/1980 | 05/03/1981 |
| NETHERLANDS THE | Denunciation | 07/02/2008 | 08/08/2008 |
| NORWAY | Signature | 13/12/1968 | |
| NORWAY | Ratification | 25/06/1969 | 25/06/1969 |
| NORWAY | Denunciation | 02/03/2004 | 03/09/2004 |
| NORWAY | Declaration | 02/03/2004 | 01/01/1900 |
| PORTUGAL | Signature | 16/10/1980 | |
| PORTUGAL | Ratification | 01/06/1982 | 02/12/1982 |
| ROMANIA | Accession | 26/04/1991 | 27/10/1991 |
| SOVIET UNION | Declaration | 27/08/1990 | |
| SOVIET UNION | Accession | 13/11/1990 | 14/05/1991 |
| SOVIET UNION | Statement | 06/04/1992 | |
| SPAIN | Accession | 02/08/1974 | 03/02/1975 |
| SWEDEN | Signature | 10/09/1970 | |
| SWEDEN | Ratification | 20/10/1971 | 20/10/1971 |
| SWITZERLAND | Signature | 13/12/1968 | |
| SWITZERLAND | Ratification | 19/08/1970 | 20/02/1971 |
| TURKEY | Signature | 18/04/1974 | |
| TURKEY | Ratification | 19/12/1975 | 20/06/1976 |
| UNITED KINGDOM | Signature | 26/02/1969 | |
| UNITED KINGDOM | Ratification | 09/01/1974 | |
| UNITED KINGDOM | Ratification | 09/01/1974 | 01/07/1974 |