| Country | Action | Action Date | Effective Date |
|---|---|---|---|
| British Honduras | |||
| Ceylon | |||
| Cyprus | |||
| Gold Coast | |||
| Hong Kong | |||
| Leeward Islands | |||
| Malta | |||
| Nigeria, North | |||
| Nigeria, South | |||
| ROMANIA | |||
| Seychelles | |||
| Sierra Leone | |||
| Somaliland | |||
| St Helena | |||
| Straits Settlements | |||
| Uganda | |||
| UNITED KINGDOM | Signature | 31/10/1905 | |
| UNITED KINGDOM | Ratification | 24/02/1906 | |
| Weihaiwei |