| Country | Action | Action Date | Effective Date |
|---|---|---|---|
| ALGERIA | Acceptance | 12/10/1976 | 12/01/1977 |
| AUSTRIA | Acceptance | 11/06/1974 | |
| AUSTRIA | Reservation | 11/06/1974 | |
| BELGIUM | Acceptance | 18/10/1991 | 18/01/1992 |
| BELGIUM | Reservation | 18/10/1991 | |
| BULGARIA | Acceptance | 20/04/1982 | 20/07/1982 |
| BULGARIA | Reservation | 20/04/1982 | |
| BURUNDI | Acceptance | 25/06/1974 | |
| CHINA P R | Acceptance | 09/05/1988 | 09/08/1988 |
| CHINA P R | Reservation | 09/05/1988 | |
| EUROPEAN ECONOMIC COMMUNITY | Acceptance | 10/02/1988 | 10/05/1988 |
| EUROPEAN ECONOMIC COMMUNITY | Reservation | 10/02/1988 | |
| FINLAND | Acceptance | 18/10/1979 | 18/01/1980 |
| FINLAND | Reservation | 18/10/1979 | |
| FINLAND | Reservation | 20/09/1983 | |
| FRANCE | Acceptance | 17/06/1988 | 17/09/1988 |
| FRANCE | Reservation | 17/06/1988 | |
| GAMBIA THE | Acceptance | 16/01/1974 | |
| GERMANY FEDERAL REPUBLIC | Acceptance | 09/08/1988 | 09/11/1988 |
| GERMANY FEDERAL REPUBLIC | Reservation | 09/08/1988 | |
| HUNGARY | Acceptance | 18/12/1981 | 18/03/1982 |
| ISRAEL | Acceptance | 31/03/1977 | 30/07/1977 |
| ISRAEL | Reservation | 13/06/1977 | |
| ITALY | Acceptance | 28/06/1974 | |
| ITALY | Reservation | 28/06/1974 | |
| IVORY COAST | Acceptance | 02/06/1978 | 02/09/1978 |
| IVORY COAST | Reservation | 02/06/1978 | |
| JAPAN | Acceptance | 25/11/1983 | 25/02/1984 |
| JAPAN | Reservation | 25/11/1983 | |
| KENYA | Acceptance | 31/08/1985 | 01/12/1985 |
| KENYA | Reservation | 31/08/1985 | |
| KOREA REPUBLIC OF | Acceptance | 09/05/1990 | 09/08/1990 |
| MOROCCO | Acceptance | 02/06/1987 | 02/09/1987 |
| MOROCCO | Reservation | 02/06/1987 | |
| NETHERLANDS THE | Acceptance | 27/07/1989 | 27/10/1989 |
| NETHERLANDS THE | Reservation | 27/07/1989 | |
| NEW ZEALAND | Acceptance | 20/03/1984 | 20/06/1984 |
| NEW ZEALAND | Reservation | 20/03/1984 | |
| NIGERIA | Acceptance | 06/07/1976 | 06/10/1975 |
| NIGERIA | Reservation | 06/07/1976 | |
| NORWAY | Acceptance | 05/08/1975 | |
| NORWAY | Reservation | 05/08/1975 | |
| POLAND | Acceptance | 11/02/1980 | 11/05/1980 |
| PORTUGAL | Acceptance | 26/08/1988 | 26/11/1988 |
| PORTUGAL | Reservation | 26/08/1988 | |
| RWANDA | Acceptance | 22/04/1981 | 22/07/1981 |
| RWANDA | Reservation | 22/04/1981 | |
| SENEGAL | Acceptance | 18/05/1983 | 18/08/1983 |
| SENEGAL | Reservation | 18/05/1983 | |
| SPAIN | Acceptance | 04/12/1979 | 04/03/1980 |
| SPAIN | Reservation | 04/12/1979 | |
| SWEDEN | Acceptance | 31/08/1976 | 30/11/1976 |
| SWEDEN | Reservation | 31/08/1976 | |
| SWITZERLAND | Acceptance | 13/04/1977 | 13/07/1977 |
| SWITZERLAND | Reservation | 13/04/1977 | |
| UNITED KINGDOM | Acceptance | 10/09/1991 | 10/12/1991 |
| UNITED KINGDOM | Reservation | 10/09/1991 |