| Country | Action | Action Date | Effective Date |
|---|---|---|---|
| JAPAN | Signature | 07/07/1911 | |
| JAPAN | Withdrawal | 23/10/1940 | |
| RUSSIA | Signature | 07/07/1911 | |
| UNITED KINGDOM | Signature | 07/07/1911 | |
| UNITED KINGDOM | Ratification | 12/12/1911 | |
| UNITED STATES OF AMERICA | Signature | 07/07/1911 | |
| UNITED STATES OF AMERICA | Ratification | 12/12/1911 |