| Country | Action | Action Date | Effective Date |
|---|---|---|---|
| AUSTRIA | Acceptance | 24/07/1977 | 24/10/1977 |
| BELGIUM | Acceptance | 18/10/1991 | 18/01/1992 |
| BELGIUM | Reservation | 18/10/1991 | |
| CANADA | Acceptance | 24/09/1975 | |
| DENMARK | Acceptance | 25/04/1986 | 25/07/1986 |
| DENMARK | Reservation | 25/04/1986 | |
| EUROPEAN ECONOMIC COMMUNITY | Acceptance | 21/07/1985 | 21/10/1985 |
| EUROPEAN ECONOMIC COMMUNITY | Reservation | 21/07/1985 | |
| FINLAND | Acceptance | 23/11/1977 | 23/01/1979 |
| FINLAND | Reservation | 23/11/1977 | |
| FRANCE | Acceptance | 08/11/1985 | 08/02/1986 |
| FRANCE | Reservation | 08/11/1985 | |
| GERMANY FEDERAL REPUBLIC | Acceptance | 03/12/1985 | 03/03/1986 |
| GERMANY FEDERAL REPUBLIC | Reservation | 03/12/1985 | |
| ISRAEL | Acceptance | 24/01/1979 | 24/04/1979 |
| ISRAEL | Reservation | 24/01/1979 | |
| ITALY | Acceptance | 24/07/1985 | 24/10/1985 |
| ITALY | Reservation | 24/07/1985 | |
| KENYA | Acceptance | 31/08/1983 | 01/12/1983 |
| KENYA | Reservation | 31/08/1983 | |
| NETHERLANDS THE | Acceptance | 18/08/1987 | 18/11/1987 |
| NETHERLANDS THE | Reservation | 18/08/1987 | |
| NEW ZEALAND | Acceptance | 14/07/1977 | 14/10/1977 |
| NORWAY | Acceptance | 29/10/1975 | |
| POLAND | Acceptance | 26/01/1989 | 26/04/1989 |
| RWANDA | Acceptance | 22/04/1981 | 22/07/1981 |
| SPAIN | Acceptance | 21/06/1991 | 21/09/1991 |
| SPAIN | Reservation | 21/06/1991 | |
| SWEDEN | Acceptance | 31/08/1976 | |
| SWITZERLAND | Acceptance | 13/04/1977 | |
| SWITZERLAND | Reservation | 13/04/1977 | |
| UNITED KINGDOM | Acceptance | 10/09/1991 | 10/12/1991 |
| UNITED KINGDOM | Reservation | 10/09/1991 | |
| UNITED STATES OF AMERICA | Acceptance | 28/10/1983 | 28/01/1984 |
| UNITED STATES OF AMERICA | Reservation | 28/10/1983 | |
| ZIMBABWE | Acceptance | 20/06/1988 | 20/09/1988 |
| ZIMBABWE | Reservation | 20/06/1988 |