| Country | Action | Action Date | Effective Date |
|---|
| BELGIUM | Signature | 29/07/1899 | |
| BULGARIA | Signature | 29/07/1899 | |
| DENMARK | Signature | 29/07/1899 | |
| FRANCE | Signature | 29/07/1899 | |
| GREECE | Signature | 29/07/1899 | |
| MEXICO | Signature | 29/07/1899 | |
| MONTENEGRO | Signature | 29/07/1899 | |
| MONTENEGRO | Notification | 01/03/2007 | 03/06/2006 |
| NETHERLANDS THE | Signature | 18/07/1899 | |
| NETHERLANDS THE | Declaration | 01/01/1986 | |
| NICARAGUA | Accession | 11/10/1907 | |
| PERSIA | Signature | 29/07/1899 | |
| ROMANIA | Signature | 18/07/1899 | |
| RUSSIA | Signature | 29/07/1899 | |
| SERBIA | Declaration | 09/06/2006 | |
| SIAM | Signature | 29/07/1899 | |
| SOUTH AFRICA | Bound | 10/03/1978 | |
| SPAIN | Signature | 29/07/1899 | |
| SWEDEN AND NORWAY | Signature | 29/07/1899 | |
| TURKEY | Signature | 29/07/1899 | |
| UNITED KINGDOM | Signature | 30/08/1907 | |
| UNITED KINGDOM | Ratification | 30/08/1907 | |
| UNITED STATES OF AMERICA | Signature | 29/07/1899 | |