| Country | Action | Action Date | Effective Date |
|---|---|---|---|
| PRUSSIA | Signature | 05/03/1864 | |
| PRUSSIA | Ratification Dated | 26/03/1864 | |
| PRUSSIA | Ratification | 11/04/1864 | |
| UNITED KINGDOM | Signature | 05/03/1864 | |
| UNITED KINGDOM | Ratification Dated | 14/03/1864 | |
| UNITED KINGDOM | Ratification | 11/04/1864 |