| Country | Action | Action Date | Effective Date |
|---|
| AUSTRIA-HUNGARY | Signature | 03/07/1880 | |
| AUSTRIA-HUNGARY | Ratification | 01/05/1881 | |
| BELGIUM | Signature | 03/07/1880 | |
| BELGIUM | Ratification | 01/05/1881 | |
| DENMARK | Signature | 03/07/1880 | |
| DENMARK | Ratification | 01/05/1881 | |
| FRANCE | Signature | 03/07/1880 | |
| FRANCE | Ratification | 01/05/1881 | |
| GERMANY | Signature | 03/07/1880 | |
| GERMANY | Ratification | 01/05/1881 | |
| ITALY | Signature | 03/07/1880 | |
| ITALY | Ratification | 01/05/1881 | |
| MOROCCO | Signature | 03/07/1880 | |
| MOROCCO | Ratification | 01/05/1881 | |
| NETHERLANDS THE | Signature | 03/07/1880 | |
| NETHERLANDS THE | Ratification | 01/05/1881 | |
| PORTUGAL | Signature | 03/07/1880 | |
| PORTUGAL | Ratification | 01/05/1881 | |
| RUSSIA | Accession | 01/01/1905 | |
| SPAIN | Signature | 03/07/1880 | |
| SPAIN | Ratification | 01/05/1881 | |
| SWEDEN AND NORWAY | Signature | 03/07/1880 | |
| SWEDEN AND NORWAY | Ratification | 01/05/1881 | |
| UNITED KINGDOM | Signature | 03/07/1880 | |
| UNITED KINGDOM | Ratification Dated | 10/08/1880 | |
| UNITED KINGDOM | Ratification | 01/05/1881 | |
| UNITED STATES OF AMERICA | Signature | 03/07/1880 | |
| UNITED STATES OF AMERICA | Ratification | 01/05/1881 | |