| Country | Action | Action Date | Effective Date |
|---|
| AUSTRIA | Acceptance | 16/02/1981 | |
| AUSTRIA | Reservation | 16/02/1981 | |
| CROATIA | Acceptance | 29/09/1994 | 29/12/1994 |
| ISRAEL | Acceptance | 06/07/1982 | |
| ISRAEL | Reservation | 06/07/1982 | |
| KENYA | Acceptance | 31/08/1983 | |
| KENYA | Reservation | 31/08/1983 | |
| NEW ZEALAND | Acceptance | 08/10/1986 | 08/01/1987 |
| NEW ZEALAND | Reservation | 08/10/1986 | |
| SLOVENIA | Acceptance | 23/11/1992 | 23/02/1993 |
| SWEDEN | Acceptance | 16/07/1980 | |
| SWEDEN | Reservation | 16/07/1980 | |
| SWITZERLAND | Acceptance | 25/07/1985 | 25/10/1985 |
| UNITED KINGDOM | | | |
| UNITED STATES OF AMERICA | Acceptance | 28/10/1983 | 28/01/1984 |
| UNITED STATES OF AMERICA | Reservation | 28/10/1983 | |
| YUGOSLAVIA | Acceptance | 12/11/1982 | 12/02/1983 |
| ZIMBABWE | Acceptance | 20/06/1988 | 20/09/1988 |
| ZIMBABWE | Reservation | 20/06/1988 | |