| Country | Action | Action Date | Effective Date |
|---|---|---|---|
| British African Protectorates | Extension | 19/04/1910 | |
| Cameroons | Extension | 13/11/1923 | |
| FRANCE | Signature | 17/10/1908 | |
| FRANCE | Ratification | 21/07/1909 | |
| Malay States, Federated | Extension | 04/02/1919 | |
| Tanganyika | Extension | 13/11/1923 | |
| Togoland | Extension | 13/11/1923 | |
| Tunis | Extension | 29/07/1909 | 17/10/1909 |
| UNITED KINGDOM | Signature | 17/10/1908 | |
| UNITED KINGDOM | Ratification | 07/11/1908 |