| Country | Action | Action Date | Effective Date |
|---|
| AUSTRIA | Signature | 03/04/1894 | |
| AUSTRIA | Ratification | 20/06/1898 | |
| BELGIUM | Signature | 03/04/1894 | |
| BELGIUM | Ratification | 20/06/1898 | |
| DENMARK | Signature | 03/04/1894 | |
| DENMARK | Ratification | 20/06/1898 | |
| FRANCE | Signature | 03/04/1894 | |
| FRANCE | Ratification | 20/06/1898 | |
| GERMANY | Signature | 03/04/1894 | |
| GERMANY | Ratification | 20/06/1898 | |
| GREECE | Signature | 03/04/1894 | |
| GREECE | Ratification | 20/06/1898 | |
| HUNGARY | Signature | 03/04/1894 | |
| HUNGARY | Ratification | 20/06/1898 | |
| ITALY | Signature | 03/04/1894 | |
| ITALY | Ratification | 20/06/1898 | |
| NETHERLANDS THE | Signature | 03/04/1894 | |
| NETHERLANDS THE | Ratification | 20/06/1898 | |
| NORWAY | Accession | 18/05/1898 | |
| PERSIA | Signature | 03/04/1894 | |
| PERSIA | Ratification | 20/06/1898 | |
| PORTUGAL | Signature | 03/04/1894 | |
| PORTUGAL | Ratification | 20/06/1898 | |
| RUSSIA | Signature | 03/04/1894 | |
| RUSSIA | Ratification | 20/06/1898 | |
| SPAIN | Signature | 03/04/1894 | |
| SPAIN | Ratification | 20/06/1898 | |
| SWEDEN | Accession | 18/05/1898 | |
| UNITED KINGDOM | Signature | 03/04/1894 | |
| UNITED KINGDOM | Declaration | 03/04/1894 | |
| UNITED KINGDOM | Ratification | 18/11/1897 | |