| Country | Action | Action Date | Effective Date |
|---|---|---|---|
| FRANCE | Signature | 26/01/1855 | |
| FRANCE | Ratification Dated | 01/02/1855 | |
| FRANCE | Ratification | 04/03/1855 | |
| SARDINIA | Signature | 26/01/1855 | |
| SARDINIA | Ratification Dated | 04/03/1855 | |
| SARDINIA | Ratification | 04/03/1855 | |
| UNITED KINGDOM | Signature | 26/01/1855 | |
| UNITED KINGDOM | Ratification | 30/01/1855 | |
| UNITED KINGDOM | Ratification Dated | 30/01/1855 | |
| UNITED KINGDOM | Ratification | 04/03/1855 |