| Country | Action | Action Date | Effective Date |
|---|---|---|---|
| FRANCE | Signature | 29/03/1864 | |
| FRANCE | Ratification | 25/04/1864 | |
| GREECE | Signature | 29/03/1864 | |
| GREECE | Ratification | 25/04/1864 | |
| RUSSIA | Signature | 29/03/1864 | |
| RUSSIA | Ratification | 25/04/1864 | |
| UNITED KINGDOM | Signature | 29/03/1864 | |
| UNITED KINGDOM | Ratification Dated | 05/04/1864 | |
| UNITED KINGDOM | Ratification | 25/04/1864 |