| Country | Action | Action Date | Effective Date |
|---|---|---|---|
| All Territories under UK Sovereignty | Extension | 16/12/1892 | |
| British African Protectorates | Extension | 04/02/1910 | 04/02/1910 |
| LIBERIA | Signature | 16/12/1892 | |
| LIBERIA | Ratification | 01/12/1893 | |
| UNITED KINGDOM | Signature | 16/12/1892 | |
| UNITED KINGDOM | Ratification | 31/01/1893 |