| Country | Action | Action Date | Effective Date |
|---|---|---|---|
| AUSTRALIA | Ratification | 12/12/1971 | |
| AUSTRALIA | Declaration | 15/06/1973 | |
| BELARUS | Ratification | 11/03/1970 | |
| BELGIUM | Ratification | 17/05/1978 | 17/05/1979 |
| BOLIVIA | Ratification | 31/01/1977 | 31/01/1978 |
| BULGARIA | Ratification | 03/10/1969 | |
| BULGARIA | Denunciation | 23/04/1980 | 23/04/1981 |
| CAMEROON | Ratification | 06/11/1970 | |
| CHINA | Declaration | 11/06/1984 | |
| Comoro Islands | Extension | 27/11/1974 | |
| CYPRUS | Ratification | 11/04/1967 | |
| CZECH REPUBLIC | Succession | 01/01/1993 | 01/01/1993 |
| DJIBOUTI | Ratification | 03/08/1978 | |
| ECUADOR | Ratification | 10/03/1969 | |
| FRANCE | Ratification | 18/11/1971 | |
| FRANCE | App without mod | 27/11/1974 | |
| French Guiana | Extension | 27/11/1974 | |
| French Polynesia | Extension | 27/11/1974 | |
| French Terr Of Afars And Issas | Extension | 27/11/1974 | |
| GABON | Ratification | 18/10/1968 | |
| Guadeloupe | Extension | 27/11/1974 | |
| HUNGARY | Ratification | 07/06/1968 | |
| INDIA | Ratification | 20/03/1975 | 20/03/1976 |
| ITALY | Ratification | 05/05/1971 | |
| JORDAN | Ratification | 06/06/1966 | |
| KENYA | Ratification | 20/06/1968 | |
| MADAGASCAR | Ratification | 23/10/1967 | |
| MALAYSIA | Ratification | 06/06/1974 | 06/06/1975 |
| Martinique | Extension | 27/11/1974 | |
| MEXICO | Ratification | 29/08/1968 | |
| MONGOLIA | Ratification | 03/12/1981 | |
| NETHERLANDS THE | Ratification | 08/04/1969 | |
| New Caledonia | Extension | 27/11/1974 | |
| NICARAGUA | Ratification | 03/12/1981 | 03/12/1982 |
| NIGERIA | Ratification | 14/05/1974 | 14/05/1975 |
| Norfolk Island | Not Applicable | 15/06/1973 | |
| PANAMA | Ratification | 24/09/1970 | |
| PARAGUAY | Ratification | 10/10/1968 | |
| POLAND | Ratification | 30/09/1969 | |
| Reunion | Extension | 27/11/1974 | |
| RUSSIAN FEDERATION | Ratification | 04/11/1969 | |
| RWANDA | Ratification | 01/06/1970 | |
| SAUDI ARABIA | Ratification | 15/06/1978 | 15/06/1979 |
| SLOVAK REPUBLIC | Succession | 01/01/1993 | 01/01/1993 |
| SPAIN | Ratification | 06/11/1967 | |
| St Pierre and Miquelon | Extension | 27/11/1974 | |
| SWAZILAND | Ratification | 05/06/1981 | 05/06/1982 |
| SWITZERLAND | Ratification | 10/11/1966 | |
| SYRIA | Ratification | 26/06/1972 | |
| TAIWAN | Ratification | 06/04/1967 | |
| TAIWAN | Withdrawn | 21/09/1984 | |
| THAILAND | Ratification | 05/04/1968 | |
| TUNISIA | Ratification | 24/07/1967 | |
| UGANDA | Ratification | 23/06/1967 | |
| UKRAINE | Ratification | 17/06/1970 | |
| UNITED KINGDOM | |||
| VIETNAM | Ratification | 07/12/1970 | |
| YUGOSLAVIA | Ratification | 07/05/1970 | |
| ZAMBIA | Ratification | 03/04/1967 |