| Country | Action | Action Date | Effective Date |
|---|---|---|---|
| All Territories under UK Sovereignty | Extension | 26/01/1897 | |
| CHILE | Signature | 26/01/1897 | |
| CHILE | Ratification | 14/04/1898 | |
| UNITED KINGDOM | Signature | 26/01/1897 | |
| UNITED KINGDOM | Ratification | 06/05/1897 | |
| UNITED KINGDOM | Extension | 12/10/1909 | |
| UNITED KINGDOM | Extension | 13/07/1934 |