| Country | Action | Action Date | Effective Date |
|---|
| ARGENTINE REPUBLIC | Signature | 03/11/1906 | |
| AUSTRIA-HUNGARY | Signature | 03/11/1906 | |
| BELGIUM | Signature | 03/11/1906 | |
| BRAZIL | Signature | 03/11/1906 | |
| BULGARIA | Signature | 03/11/1906 | |
| CHILE | Signature | 03/11/1906 | |
| DENMARK | Signature | 03/11/1906 | |
| FRANCE | Signature | 03/11/1906 | |
| GERMANY | Signature | 03/11/1906 | |
| GREECE | Signature | 03/11/1906 | |
| ITALY | Signature | 03/11/1906 | |
| JAPAN | Signature | 03/11/1906 | |
| MEXICO | Signature | 03/11/1906 | |
| MONACO | Signature | 04/11/1906 | |
| NETHERLANDS THE | Signature | 04/11/1906 | |
| NORWAY | Signature | 04/11/1906 | |
| PERSIA | Signature | 04/11/1906 | |
| PORTUGAL | Signature | 03/11/1906 | |
| ROUMANIA | Signature | 03/11/1906 | |
| RUSSIA | Signature | 03/11/1906 | |
| SPAIN | Signature | 03/11/1906 | |
| SWEDEN | Signature | 03/11/1906 | |
| TURKEY | Signature | 03/11/1906 | |
| UNITED KINGDOM | Signature | 03/11/1906 | |
| UNITED STATES OF AMERICA | Signature | 03/11/1906 | |
| URUGUAY | Signature | 03/11/1906 | |