| Country | Action | Action Date | Effective Date |
|---|
| Akrotiri & Dhekelia | Extension | 05/07/1984 | 14/06/1998 |
| Anguilla | Extension | 05/07/1984 | |
| ARGENTINA | Signature | 14/03/1990 | |
| ARGENTINA | Ratification | 14/03/1990 | |
| ARGENTINA | Declaration | 14/03/1990 | |
| AUSTRALIA | Signature | 24/04/1991 | |
| AUSTRALIA | Ratification | 13/01/1997 | |
| AZERBAIJAN | Accession | 24/01/2000 | 22/04/2000 |
| BAHRAIN | Accession | 21/01/1999 | 21/04/1999 |
| BARBADOS | Signature | 25/09/1975 | |
| BELGIUM | Signature | 25/09/1975 | |
| Bermuda | Extension | 05/07/1984 | |
| BOSNIA AND HERZEGOVINA | Succession | 03/03/1995 | |
| BRAZIL | Signature | 25/09/1975 | |
| BRAZIL | Ratification | 27/07/1979 | |
| BRAZIL | Reservation | 27/07/1979 | |
| British Antarctic Territory | Extension | 05/07/1984 | |
| British Indian Ocean Territory | Extension | 05/07/1984 | |
| British Virgin Islands | Extension | 05/07/1984 | |
| CANADA | Signature | 30/12/1975 | |
| CANADA | Ratification | 27/08/1999 | 25/11/1999 |
| CANADA | Reservation | 27/08/1999 | 25/11/1999 |
| Cayman Islands | Extension | 05/07/1984 | |
| CHILE | Signature | 23/11/1984 | |
| CHILE | Ratification | 01/10/2008 | 30/12/2008 |
| COLOMBIA | Signature | 20/05/1982 | |
| COLOMBIA | Ratification | 20/05/1982 | |
| CROATIA | Succession | 14/07/1993 | |
| CYPRUS | Signature | 10/11/1992 | 10/11/1992 |
| DENMARK | Signature | 01/12/1976 | |
| DENMARK | Ratification | 04/05/1988 | |
| ECUADOR | Accession | 21/02/1999 | 12/05/1999 |
| EGYPT | Signature | 25/09/1975 | |
| EGYPT | Ratification | 17/11/1978 | |
| ESTONIA | Signature | 25/11/1997 | |
| ESTONIA | Ratification | 16/03/1998 | 14/06/1998 |
| ETHIOPIA | Signature | 14/07/1987 | |
| ETHIOPIA | Ratification | 14/07/1987 | |
| Falkland Island Dependencies | Extension | 05/07/1984 | |
| Falkland Island Dependencies | Extension | 05/07/1984 | |
| Falkland Islands | Extension | 05/07/1984 | |
| FINLAND | Signature | 02/05/1978 | |
| FINLAND | Ratification | 04/05/1988 | |
| FRANCE | Signature | 30/12/1975 | |
| GHANA | Signature | 25/09/1975 | |
| GHANA | Ratification | 11/08/1997 | 14/06/1998 |
| Gibraltar | Extension | 05/07/1984 | |
| GREECE | Signature | 10/11/1988 | 12/11/1998 |
| GREECE | Ratification | 12/11/1988 | |
| GUATEMALA | Signature | 25/09/1975 | |
| GUATEMALA | Ratification | 03/02/1997 | |
| Guernsey | Extension | 05/07/1984 | |
| GUINEA | Accession | 12/02/1999 | 12/05/1999 |
| HONDURAS | Accession | 14/06/1998 | 12/09/1998 |
| Hong Kong | Extension | 05/07/1984 | |
| HUNGARY | Signature | 29/06/1987 | |
| HUNGARY | Ratification | 30/06/1987 | |
| IRELAND, REPUBLIC OF | Ratification | 27/06/1989 | |
| IRELAND, REPUBLIC OF | Signature | 27/06/1989 | 27/06/1989 |
| Isle of Man | Signature | 05/07/1984 | |
| ISRAEL | Signature | 27/11/1987 | |
| ISRAEL | Ratification | 16/02/1988 | |
| ITALY | Signature | 15/05/1978 | |
| ITALY | Ratification | 02/04/1985 | |
| JAPAN | Accession | 20/06/2000 | 18/09/2000 |
| Jersey | Extension | 05/07/1984 | |
| JORDAN | Accession | 22/07/1999 | 20/10/1999 |
| KENYA | Accession | 06/07/1999 | 04/10/1999 |
| KUWAIT | Signature | 21/03/1995 | 08/11/1996 |
| KUWAIT | Ratification | 08/11/1996 | |
| LEBANON | Accession | 04/08/2000 | 02/11/2000 |
| LUXEMBOURG | Accession | 25/09/2008 | 24/12/2008 |
| MACEDONIA THE FYR OF | Succession | 01/09/1994 | |
| MALAYSIA | Accession | 18/01/2008 | 17/04/2008 |
| MAURITIUS | Accession | 14/06/1998 | 12/09/1998 |
| Montserrat | Extension | 05/07/1984 | |
| MOROCCO | Signature | 18/10/1984 | |
| NAURU | Accession | 14/06/1998 | 12/09/1998 |
| Netherlands Antilles | Extension | 07/01/1983 | |
| NETHERLANDS THE | Signature | 19/05/1982 | |
| NETHERLANDS THE | Ratification | 07/01/1983 | |
| NIGER | Accession | 14/06/1998 | 12/09/1998 |
| NORWAY | Signature | 21/10/1977 | |
| NORWAY | Ratification | 04/05/1988 | |
| OMAN | Accession | 14/06/1998 | 12/09/1998 |
| Pitcairn Islands | Extension | 05/07/1984 | |
| PORTUGAL | Signature | 25/09/1975 | |
| PORTUGAL | Ratification | 07/04/1982 | |
| QATAR | Signature | 28/08/1987 | |
| SENEGAL | Signature | 18/08/1976 | |
| SINGAPORE | Accession | 14/06/1998 | 12/09/1998 |
| SLOVENIA | Succession | 07/08/1998 | 14/06/1998 |
| Sovereign Base Areas | Extension | 05/07/1984 | |
| SPAIN | Signature | 30/09/1981 | |
| SPAIN | Ratification | 08/01/1985 | |
| St Helena | Extension | 05/07/1984 | |
| St Helena And Dependencies | Extension | 05/07/1984 | |
| SWEDEN | Signature | 12/12/1977 | |
| SWEDEN | Ratification | 04/05/1997 | |
| SWITZERLAND | Signature | 25/09/1975 | |
| SWITZERLAND | Ratification | 09/12/1987 | |
| TOGO | Signature | 21/08/1985 | |
| TOGO | Ratification | 05/05/1987 | |
| TURKEY | Accession | 14/06/1998 | 12/09/1998 |
| Turks And Caicos Islands | Extension | 05/07/1984 | |
| UNITED ARAB EMIRATES | Accession | 20/03/2000 | 18/06/2000 |
| UNITED KINGDOM | Signature | 25/09/1975 | |
| UNITED KINGDOM | Ratification | 05/07/1984 | 14/06/1998 |
| UNITED STATES OF AMERICA | Signature | 25/09/1975 | |
| UNITED STATES OF AMERICA | Ratification | 04/12/1998 | 04/03/1999 |
| UZBEKISTAN | Accession | 14/06/1998 | 12/09/1998 |
| VENEZUELA | Signature | 25/09/1975 | |
| YUGOSLAVIA | Signature | 25/09/1975 | |
| YUGOSLAVIA | Ratification | 11/03/1977 | |
| YUGOSLAVIA, FEDERAL REPUBLIC OF | Accession | 18/07/2001 | 27/04/1992 |
| ZAIRE | Signature | 25/09/1975 | |