| Country | Action | Action Date | Effective Date |
|---|---|---|---|
| ARGENTINA | Ratification | 20/06/1985 | 20/06/1986 |
| AUSTRIA | Ratification | 08/12/1971 | |
| AZERBAIJAN | Ratification | 19/05/1992 | |
| BELGIUM | Ratification | 06/05/1977 | 06/05/1977 |
| BOLIVIA | Ratification | 31/01/1977 | |
| BRAZIL | Ratification | 21/08/1970 | |
| BULGARIA | Ratification | 03/10/1969 | |
| BYELORUSSIA S S R | Ratification | 11/03/1970 | |
| CHINA | Declaration | 11/06/1984 | |
| Comoro Islands | App without mod | 27/11/1974 | |
| CYPRUS | Ratification | 18/01/1967 | |
| CZECH REPUBLIC | Succession | 01/01/1993 | |
| CZECHOSLOVAKIA | Ratification | 23/04/1980 | 23/04/1981 |
| DJIBOUTI | Succession | 03/08/1978 | |
| ECUADOR | Ratification | 10/03/1969 | |
| FINLAND | Ratification | 23/09/1968 | |
| FRANCE | Ratification | 05/08/1971 | |
| FRANCE | Declaration | 27/11/1974 | |
| French Guiana | App without mod | 27/11/1974 | |
| French Polynesia | App without mod | 27/11/1974 | |
| French Terr Of Afars And Issas | App without mod | 27/11/1974 | |
| GABON | Ratification | 18/10/1968 | |
| GERMAN DEMOCRATIC REPUBLIC | Ratification | 19/06/1979 | 19/06/1980 |
| GREECE | Ratification | 28/08/1981 | 28/08/1982 |
| Guadeloupe | App without mod | 27/11/1974 | |
| GUATEMALA | Ratification | 13/06/1989 | 13/06/1990 |
| Guernsey | Extension | 02/05/1967 | |
| Hong Kong | Extension | 12/11/1974 | |
| HUNGARY | Ratification | 08/06/1968 | |
| IRELAND, REPUBLIC OF | Ratification | 10/06/1985 | 10/06/1986 |
| ITALY | Ratification | 05/05/1971 | |
| JORDAN | Ratification | 06/06/1966 | |
| KYRGYZSTAN | Succession | 31/03/1992 | |
| MALAGASY REPUBLIC | Ratification | 23/10/1967 | |
| MALTA | Ratification | 09/06/1988 | 09/06/1989 |
| Martinique | App without mod | 27/11/1974 | |
| MEXICO | Ratification | 29/08/1968 | |
| NETHERLANDS THE | Ratification | 08/04/1969 | |
| NETHERLANDS THE | Declaration | 15/07/1969 | |
| New Caledonia | App without mod | 27/11/1974 | |
| PANAMA | Ratification | 19/06/1970 | |
| PARAGUAY | Ratification | 10/07/1967 | |
| POLAND | Ratification | 26/06/1968 | |
| PORTUGAL | Ratification | 02/05/1985 | |
| Reunion | App without mod | 27/11/1974 | |
| SLOVAK REPUBLIC | Succession | 01/01/1993 | |
| SOVIET UNION | Ratification | 04/11/1969 | |
| SPAIN | Ratification | 30/11/1971 | |
| St Pierre and Miquelon | App without mod | 27/11/1974 | |
| Swaziland | Extension | 02/02/1968 | |
| SYRIA | Ratification | 18/08/1972 | |
| TAIWAN | Ratification | 19/04/1967 | |
| TAJIKISTAN | Ratification | 26/11/1993 | |
| TUNISIA | Ratification | 03/05/1967 | |
| UGANDA | Ratification | 23/06/1967 | |
| UKRAINE | Ratification | 17/07/1970 | |
| UNITED KINGDOM | Ratification | 13/12/1966 | |
| UNITED KINGDOM | Declaration | 02/05/1967 | |
| UNITED KINGDOM | Declaration | 04/10/1967 | |
| UNITED KINGDOM | Declaration | 02/02/1968 | |
| UNITED KINGDOM | Declaration | 12/07/1968 | |
| UNITED KINGDOM | Declaration | 14/11/1969 | |
| UNITED KINGDOM | Declaration | 12/11/1974 | |
| UNITED KINGDOM | Declaration | 30/12/1974 | |
| UNITED KINGDOM | Declaration | 18/02/1977 | |
| UNITED KINGDOM | Declaration | 08/06/1977 | |
| UNITED KINGDOM | Declaration | 24/06/1977 | |
| UNITED KINGDOM | Declaration | 24/08/1977 | |
| UNITED KINGDOM | Declaration | 12/09/1977 | |
| UNITED KINGDOM | Declaration | 27/01/1978 | |
| VIETNAM | Ratification | 07/12/1970 | |
| VIETNAM | Ratification | 03/10/1994 | 03/10/1995 |
| ZAMBIA | Ratification | 10/03/1967 |