| Country | Action | Action Date | Effective Date |
|---|---|---|---|
| FRANCE | Signature | 22/04/1834 | |
| FRANCE | Ratification | 12/05/1834 | |
| PORTUGAL | Signature | 22/04/1834 | |
| PORTUGAL | Ratification | 10/05/1834 | |
| SPAIN | Signature | 22/04/1834 | |
| SPAIN | Ratification | 05/05/1834 | |
| UNITED KINGDOM | Signature | 22/04/1834 | |
| UNITED KINGDOM | Ratification | 29/04/1834 |