| Party | Signature | Provisional application |
RatificationS=Signature without reservation or requirement of ratification R=Ratification, Acceptance, Approval or Notification A=Accession Su=Succession NK=Not Known | Entry into force | Renunciation | Termination |
|---|---|---|---|---|---|---|
| AfDB (African Development Bank) | 22-06-1973 (R) | 30-06-1973 | ||||
| Argentina | 22-02-1979 (R) | 22-02-1979 | ||||
| Austria | 22-02-1981 (R) | 22-02-1981 | ||||
| Belgium | 26-06-1974 (R) | 26-06-1974 | ||||
| Brazil | 19-12-1973 (R) | 19-12-1973 | ||||
| Canada | 23-05-1973 (R) | 30-06-1973 | ||||
| China | 10-05-1985 (R) | 10-05-1985 | ||||
| Denmark | 01-06-1973 (R) | 30-06-1973 | ||||
| Finland | 21-12-1973 (R) | 21-12-1973 | ||||
| France | 28-12-1977 (R) | 28-12-1977 | ||||
| Germany | 22-12-1973 (R) | 22-12-1973 | ||||
| India | 06-05-1982 (R) | 06-05-1982 | ||||
| Italy | 25-04-1975 (R) | 25-04-1975 | ||||
| Japan | 22-06-1973 (R) | 30-06-1973 | ||||
| Kuwait | 15-12-1977 (R) | 15-12-1977 | ||||
| Netherlands, the Kingdom of the | 18-06-1973 (R) | 30-06-1973 | ||||
| Norway | 15-06-1973 (R) | 30-06-1973 | ||||
| Portugal | 05-05-1982 (R) | 05-05-1982 | ||||
| Republic of Korea, the | 13-12-1979 (R) | 13-12-1979 | ||||
| Saudi Arabia | 26-11-1975 (R) | 26-11-1975 | ||||
| Spain | 21-12-1973 (R) | 21-12-1973 | ||||
| Sweden | 25-05-1973 (R) | 30-06-1973 | ||||
| Switzerland | 19-06-1973 (R) | 30-06-1973 | ||||
| United Arab Emirates | 10-04-1979 (R) | 10-04-1979 | ||||
| United Kingdom | 20-06-1973 (R) | 30-06-1973 | ||||
| United States of America | 12-11-1976 (R) | 12-11-1976 |