| Country | Action | Action Date | Effective Date |
|---|
| AUSTRALIA | Acceptance | 22/10/1981 | |
| BULGARIA | Acceptance | 14/06/1985 | 14/09/1985 |
| CANADA | Acceptance | 13/11/1980 | |
| CANADA | Reservation | 13/11/1980 | |
| CZECHOSLOVAKIA | Acceptance | 18/12/1990 | 18/03/1991 |
| HUNGARY | Acceptance | 18/12/1981 | |
| ISRAEL | Acceptance | 06/07/1982 | 06/10/1982 |
| ISRAEL | Reservation | 06/07/1982 | |
| KENYA | Acceptance | 31/08/1983 | 01/12/1983 |
| KENYA | Reservation | 31/08/1983 | |
| NEW ZEALAND | Acceptance | 04/12/1979 | |
| SAUDI ARABIA | Acceptance | 18/03/1985 | |
| SLOVAKIA | Acceptance | 05/02/1993 | |
| SWEDEN | Acceptance | 09/11/1979 | |
| SWEDEN | Reservation | 09/11/1979 | |
| SWITZERLAND | Acceptance | 25/07/1985 | 25/10/1985 |
| SWITZERLAND | Reservation | 25/07/1985 | |
| UGANDA | Acceptance | 11/07/1989 | 11/10/1989 |
| UGANDA | Reservation | 11/07/1989 | |
| UNITED KINGDOM | | | |
| UNITED STATES OF AMERICA | Acceptance | 28/10/1983 | 28/01/1984 |
| UNITED STATES OF AMERICA | Declaration | 28/10/1983 | |
| UNITED STATES OF AMERICA | Reservation | 28/10/1983 | |
| ZIMBABWE | Acceptance | 20/06/1988 | 20/09/1988 |
| ZIMBABWE | Reservation | 20/06/1988 | |