| Country | Action | Action Date | Effective Date |
|---|---|---|---|
| AUSTRALIA | Acceptance | 22/10/1981 | 22/01/1982 |
| AUSTRALIA | Reservation | 22/10/1981 | |
| AUSTRIA | Acceptance | 16/02/1981 | 16/05/1981 |
| AUSTRIA | Reservation | 16/02/1981 | |
| BELGIUM | Acceptance | 18/10/1991 | 18/01/1992 |
| BELGIUM | Reservation | 18/10/1991 | |
| BOTSWANA | Acceptance | 05/07/1991 | 05/10/1991 |
| BULGARIA | Acceptance | 14/06/1985 | 14/09/1985 |
| CANADA | Acceptance | 22/12/1978 | |
| CANADA | Reservation | 22/12/1978 | |
| CZECHOSLOVAKIA | Acceptance | 18/12/1990 | 18/03/1991 |
| 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 | 18/10/1979 | |
| FINLAND | Reservation | 18/10/1979 | |
| 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 | |
| HUNGARY | Acceptance | 18/12/1981 | 18/03/1982 |
| INDIA | Acceptance | 30/05/1985 | 30/08/1985 |
| INDIA | Reservation | 30/05/1985 | |
| ISRAEL | Acceptance | 29/10/1980 | |
| ISRAEL | Reservation | 29/10/1980 | |
| ITALY | Acceptance | 24/07/1985 | 24/10/1985 |
| ITALY | Reservation | 24/07/1985 | |
| JAPAN | Acceptance | 25/11/1983 | 25/01/1984 |
| JAPAN | Reservation | 25/11/1983 | |
| KENYA | Acceptance | 31/08/1983 | 01/12/1983 |
| KENYA | Reservation | 31/08/1983 | |
| KOREA REPUBLIC OF | Acceptance | 09/05/1990 | 09/08/1990 |
| KOREA REPUBLIC OF | Reservation | 09/05/1990 | |
| LESOTHO | Acceptance | 13/08/1985 | 13/11/1985 |
| LESOTHO | Reservation | 13/08/1985 | |
| MALAWI | Acceptance | 29/03/1993 | |
| MALAWI | Reservation | 29/03/1993 | |
| MOROCCO | Acceptance | 02/06/1987 | 02/09/1987 |
| NETHERLANDS THE | Acceptance | 18/08/1987 | 18/11/1987 |
| NETHERLANDS THE | Reservation | 18/08/1987 | |
| NEW ZEALAND | Acceptance | 26/10/1978 | |
| NEW ZEALAND | Reservation | 26/10/1978 | |
| PAKISTAN | Acceptance | 04/06/1982 | 04/09/1982 |
| PAKISTAN | Reservation | 04/06/1982 | |
| PORTUGAL | Acceptance | 07/08/1990 | 07/11/1990 |
| PORTUGAL | Reservation | 07/08/1990 | |
| RWANDA | Acceptance | 22/04/1981 | 22/07/1981 |
| RWANDA | Reservation | 22/04/1981 | |
| SLOVAKIA | Acceptance | 05/02/1993 | |
| SOUTH AFRICA | Acceptance | 07/03/1986 | 07/06/1986 |
| SOUTH AFRICA | Reservation | 07/03/1986 | |
| SPAIN | Acceptance | 21/06/1991 | 21/09/1991 |
| SPAIN | Reservation | 21/06/1991 | |
| SRI LANKA | Acceptance | 19/12/1984 | 19/03/1985 |
| SWEDEN | Acceptance | 22/06/1978 | |
| SWEDEN | Reservation | 22/06/1978 | |
| SWITZERLAND | Acceptance | 25/07/1985 | 25/10/1985 |
| SWITZERLAND | Reservation | 25/07/1985 | |
| 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 | |
| UNITED STATES OF AMERICA | Declaration | 28/10/1983 | |
| ZIMBABWE | Acceptance | 20/06/1988 | 20/09/1988 |
| ZIMBABWE | Reservation | 20/06/1988 |