| Country | Action | Action Date | Effective Date |
|---|---|---|---|
| ALGERIA | Acceptance | 03/11/1988 | 03/02/1989 |
| AUSTRALIA | Acceptance | 05/03/1984 | 05/06/1984 |
| AUSTRIA | Acceptance | 24/07/1977 | 24/10/1977 |
| AUSTRIA | Reservation | 24/07/1977 | |
| BELGIUM | Acceptance | 20/01/1978 | 20/04/1978 |
| BULGARIA | Acceptance | 14/06/1985 | 14/09/1985 |
| CANADA | Acceptance | 12/02/1976 | |
| Channel Islands | Extension | 30/04/1981 | 30/07/1981 |
| DENMARK | Acceptance | 06/09/1977 | 06/12/1977 |
| EUROPEAN ECONOMIC COMMUNITY | Acceptance | 01/07/1977 | |
| EUROPEAN ECONOMIC COMMUNITY | Reservation | 11/07/1985 | |
| FINLAND | Acceptance | 18/10/1979 | 18/01/1980 |
| FRANCE | Acceptance | 13/11/1979 | 13/02/1980 |
| FRANCE | Reservation | 13/11/1979 | |
| FRANCE | Reservation | 10/10/1985 | |
| GERMANY FEDERAL REPUBLIC | Acceptance | 21/08/1978 | 21/11/1978 |
| HUNGARY | Acceptance | 18/12/1981 | 18/03/1982 |
| IRELAND | Acceptance | 22/04/1981 | 22/07/1981 |
| Isle of Man | Extension | 30/04/1981 | 30/07/1981 |
| ISRAEL | Acceptance | 18/09/1979 | 18/12/1979 |
| ISRAEL | Reservation | 18/09/1979 | |
| ITALY | Acceptance | 07/07/1980 | 07/10/1980 |
| JAPAN | Acceptance | 16/11/1982 | 16/02/1983 |
| JAPAN | Reservation | 16/11/1982 | |
| KENYA | Acceptance | 31/08/1983 | 01/12/1983 |
| KOREA REPUBLIC OF | Acceptance | 05/12/1986 | 05/03/1987 |
| KOREA REPUBLIC OF | Reservation | 05/12/1986 | |
| LESOTHO | Acceptance | 10/09/1987 | 10/12/1987 |
| LESOTHO | Reservation | 10/09/1987 | |
| LUXEMBOURG | Acceptance | 21/06/1978 | 21/09/1978 |
| MALAWI | Acceptance | 29/03/1993 | |
| MALAWI | Reservation | 29/03/1993 | |
| NETHERLANDS THE | Acceptance | 01/10/1979 | 01/01/1980 |
| NEW ZEALAND | Acceptance | 03/01/1977 | |
| PAKISTAN | Acceptance | 29/10/1982 | 29/01/1983 |
| PAKISTAN | Reservation | 29/10/1982 | |
| PORTUGAL | Acceptance | 02/02/1982 | 02/05/1982 |
| RWANDA | Acceptance | 22/04/1981 | 22/07/1981 |
| SOUTH AFRICA | Acceptance | 24/05/1989 | 24/08/1989 |
| SOUTH AFRICA | Reservation | 24/05/1989 | |
| SPAIN | Acceptance | 21/06/1991 | 21/09/1991 |
| SWEDEN | Acceptance | 03/01/1977 | |
| SWEDEN | Reservation | 03/01/1977 | |
| SWITZERLAND | Acceptance | 13/04/1977 | 01/10/1977 |
| SWITZERLAND | Reservation | 13/04/1977 | |
| UGANDA | Acceptance | 11/07/1989 | 11/10/1989 |
| UNITED KINGDOM | Acceptance | 28/03/1979 | 28/06/1979 |
| UNITED KINGDOM | Notification | 30/04/1981 | |
| 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 |