| Country | Action | Action Date | Effective Date |
|---|
| AUSTRIA | Signature | 24/05/1881 | |
| AUSTRIA | Ratification Dated | 07/06/1881 | |
| AUSTRIA | Ratification | 14/06/1881 | |
| FRANCE | Signature | 24/05/1881 | |
| FRANCE | Ratification Dated | 10/06/1881 | |
| FRANCE | Ratification | 14/06/1881 | |
| GERMANY | Signature | 24/05/1881 | |
| GERMANY | Ratification Dated | 08/06/1881 | |
| GERMANY | Ratification | 14/06/1881 | |
| ITALY | Signature | 24/05/1881 | |
| ITALY | Ratification Dated | 07/06/1881 | |
| ITALY | Ratification | 14/06/1881 | |
| RUSSIA | Signature | 24/05/1881 | |
| RUSSIA | Ratification Dated | 30/05/1881 | |
| RUSSIA | Ratification | 14/06/1881 | |
| TURKEY | Signature | 24/05/1881 | |
| TURKEY | Ratification Dated | 30/05/1881 | |
| TURKEY | Ratification | 14/06/1881 | |
| UNITED KINGDOM | Signature | 24/05/1881 | |
| UNITED KINGDOM | Ratification | 05/06/1881 | |
| UNITED KINGDOM | Ratification Dated | 05/06/1881 | |
| UNITED KINGDOM | Ratification | 14/06/1881 | |