| Country | Action | Action Date | Effective Date |
|---|
| ALGERIA | Acceptance | 18/08/1977 | 18/11/1977 |
| AUSTRALIA | Acceptance | 22/10/1981 | 22/01/1982 |
| AUSTRIA | Acceptance | 24/07/1977 | 18/11/1977 |
| AUSTRIA | Reservation | 24/07/1977 | |
| BELGIUM | Acceptance | 04/05/1981 | 04/08/1981 |
| BELGIUM | Reservation | 04/05/1981 | |
| CANADA | Acceptance | 10/06/1977 | 18/11/1977 |
| CANADA | Reservation | 10/06/1977 | |
| CZECHOSLOVAKIA | Acceptance | 18/12/1990 | 18/03/1991 |
| DENMARK | Acceptance | 19/12/1978 | 19/03/1979 |
| DENMARK | Reservation | 19/12/1978 | |
| DENMARK | Withdrawal Res. | 25/04/1986 | |
| EUROPEAN ECONOMIC COMMUNITY | Acceptance | 20/06/1978 | 20/09/1978 |
| EUROPEAN ECONOMIC COMMUNITY | Reservation | 20/06/1978 | |
| EUROPEAN ECONOMIC COMMUNITY | Withdrawal Res. | 11/07/1985 | |
| FINLAND | Acceptance | 08/06/1983 | 08/09/1983 |
| FRANCE | Acceptance | 26/02/1980 | 26/05/1980 |
| FRANCE | Reservation | 26/02/1980 | |
| FRANCE | Withdrawal Res. | 10/10/1985 | |
| HUNGARY | Acceptance | 18/12/1981 | 18/03/1982 |
| INDIA | Acceptance | 30/05/1985 | 30/08/1985 |
| INDIA | Reservation | 30/05/1985 | |
| IRELAND | Acceptance | 22/04/1981 | 22/07/1981 |
| IRELAND | Reservation | 22/04/1981 | |
| ISRAEL | Acceptance | 11/04/1980 | 11/07/1980 |
| ISRAEL | Reservation | 11/04/1980 | |
| ITALY | Acceptance | 07/07/1980 | 07/10/1980 |
| ITALY | Reservation | 07/07/1980 | |
| JAPAN | Acceptance | 16/11/1982 | 16/02/1983 |
| JAPAN | Reservation | 16/11/1982 | |
| KOREA REPUBLIC OF | Acceptance | 15/07/1983 | 15/10/1983 |
| KOREA REPUBLIC OF | Reservation | 15/07/1983 | |
| LUXEMBOURG | Acceptance | 09/07/1981 | 09/10/1981 |
| LUXEMBOURG | Reservation | 09/07/1981 | |
| NEW ZEALAND | Acceptance | 14/07/1977 | 18/11/1977 |
| PAKISTAN | Acceptance | 14/06/1982 | 14/09/1982 |
| PAKISTAN | Reservation | 14/06/1982 | |
| SLOVAKIA | Acceptance | 05/02/1993 | |
| SOUTH AFRICA | Acceptance | 08/08/1991 | 08/11/1991 |
| SOUTH AFRICA | Reservation | 08/08/1991 | |
| SPAIN | Acceptance | 21/06/1991 | 21/09/1991 |
| SPAIN | Reservation | 21/06/1991 | |
| SWITZERLAND | Acceptance | 13/04/1977 | 18/11/1977 |
| UNITED KINGDOM | Acceptance | 30/04/1981 | 30/07/1981 |
| UNITED KINGDOM | Reservation | 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 | |