| Country | Action | Action Date | Effective Date |
|---|
| AUSTRIA-HUNGARY | Signature | 07/04/1906 | |
| AUSTRIA-HUNGARY | Ratification | 31/12/1906 | |
| BELGIUM | Signature | 07/04/1906 | |
| BELGIUM | Ratification | 31/12/1906 | |
| FRANCE | Signature | 07/04/1906 | |
| FRANCE | Ratification | 31/12/1906 | |
| GERMANY | Signature | 07/04/1906 | |
| GERMANY | Ratification | 31/12/1906 | |
| ITALY | Signature | 07/04/1906 | |
| ITALY | Ratification | 31/12/1906 | |
| MOROCCO | Accession | 01/01/1905 | |
| NETHERLANDS THE | Signature | 07/04/1906 | |
| NETHERLANDS THE | Ratification | 31/12/1906 | |
| PORTUGAL | Signature | 07/04/1906 | |
| PORTUGAL | Ratification | 31/12/1906 | |
| RUSSIA | Signature | 07/04/1906 | |
| RUSSIA | Ratification | 31/12/1906 | |
| SPAIN | Signature | 07/04/1906 | |
| SWEDEN | Signature | 07/04/1906 | |
| SWEDEN | Reservation | 07/04/1906 | |
| SWEDEN | Ratification | 31/12/1906 | |
| UNITED KINGDOM | Signature | 07/04/1906 | |
| UNITED KINGDOM | Ratification | 09/06/1906 | |
| UNITED STATES OF AMERICA | Signature | 07/04/1906 | |
| UNITED STATES OF AMERICA | Reservation | 07/04/1906 | |
| UNITED STATES OF AMERICA | Ratification | 31/12/1906 | |
| UNITED STATES OF AMERICA | Reservation | 31/12/1906 | |