| Country | Action | Action Date | Effective Date |
|---|---|---|---|
| Antilles | Acceptance | 09/03/1973 | |
| ARGENTINA | Acceptance | 26/10/1972 | |
| ARGENTINA | Denunciation | 06/12/1988 | |
| Aruba | Acceptance | 01/01/1986 | |
| AUSTRIA | Acceptance | 27/03/1976 | |
| BAHAMAS | Acceptance | 22/07/1976 | |
| BELGIUM | Acceptance | 19/03/1976 | |
| Berlin West | Acceptance | 02/12/1974 | |
| BRAZIL | Acceptance | 09/12/1971 | |
| CANADA | Acceptance | 14/08/1974 | |
| CZECHOSLOVAKIA | Acceptance | 28/03/1973 | |
| EGYPT | Acceptance | 14/08/1972 | |
| FIJI | Acceptance | 15/08/1972 | |
| FRANCE | Acceptance | 18/06/1969 | |
| GERMANY FEDERAL REPUBLIC | Acceptance | 02/12/1974 | |
| GREECE | Acceptance | 13/12/1972 | |
| INDIA | Acceptance | 12/01/1979 | |
| ISRAEL | Acceptance | 02/02/1973 | |
| KUWAIT | Acceptance | 17/05/1972 | |
| LEBANON | Acceptance | 08/07/1969 | |
| LIBERIA | Acceptance | 25/09/1972 | |
| MALAGASY REPUBLIC | Accession | 29/09/1969 | |
| MALDIVES | Acceptance | 16/07/1969 | |
| MONACO | Acceptance | 25/03/1970 | |
| NAURU | Acceptance | 25/11/1975 | |
| NETHERLANDS THE | Acceptance | 09/03/1973 | |
| NORWAY | Acceptance | 17/09/1970 | |
| PHILIPPINES | Acceptance | 09/09/1969 | |
| ROMANIA | Acceptance | 14/06/1972 | |
| SAUDI ARABIA | Acceptance | 09/06/1977 | |
| SOUTH AFRICA | Acceptance | 31/01/1972 | |
| SOVIET UNION | Acceptance | 08/05/1974 | |
| SPAIN | Acceptance | 25/07/1969 | |
| SWITZERLAND | Acceptance | 01/10/1973 | |
| SYRIA | Acceptance | 10/09/1975 | |
| TONGA | Acceptance | 12/07/1977 | |
| TUNISIA | Acceptance | 23/11/1971 | |
| UNITED KINGDOM | Acceptance | 01/02/1971 | |
| UNITED STATES OF AMERICA | Acceptance | 22/11/1972 | |
| YEMEN, PEOPLES'S DEMOCRATIC REPUBLIC OF | Acceptance | 20/05/1969 | |
| YUGOSLAVIA | Acceptance | 24/01/1973 | |
| ZAMBIA | Acceptance | 02/09/1970 |