| Country | Action | Action Date | Effective Date |
|---|
| AUSTRIA | Signature | 26/02/1885 | |
| AUSTRIA | Ratification | 19/04/1886 | |
| BELGIUM | Signature | 26/02/1885 | |
| BELGIUM | Ratification | 19/04/1886 | |
| DENMARK | Signature | 26/02/1885 | |
| DENMARK | Ratification | 19/04/1886 | |
| FRANCE | Signature | 26/02/1885 | |
| FRANCE | Ratification | 19/04/1886 | |
| GERMANY | Signature | 26/02/1885 | |
| GERMANY | Ratification | 19/04/1886 | |
| ITALY | Signature | 26/02/1885 | |
| ITALY | Ratification | 19/04/1886 | |
| NETHERLANDS THE | Signature | 26/02/1885 | |
| NETHERLANDS THE | Ratification | 19/04/1886 | |
| PORTUGAL | Signature | 26/02/1885 | |
| PORTUGAL | Ratification | 19/04/1886 | |
| RUSSIA | Signature | 26/02/1885 | |
| RUSSIA | Ratification | 19/04/1886 | |
| SPAIN | Signature | 26/02/1885 | |
| SPAIN | Ratification | 19/04/1886 | |
| SWEDEN AND NORWAY | Signature | 26/02/1885 | |
| SWEDEN AND NORWAY | Ratification | 19/04/1886 | |
| TURKEY | Signature | 26/02/1885 | |
| TURKEY | Ratification | 19/04/1886 | |
| UNITED KINGDOM | Signature | 26/02/1885 | |
| UNITED KINGDOM | Ratification | 19/04/1886 | |
| UNITED STATES OF AMERICA | Signature | 26/02/1885 | |