| Country | Action | Action Date | Effective Date |
|---|
| BELGIUM | Signature | 03/11/1906 | |
| BELGIUM | Ratification | 19/06/1907 | |
| CONGO | Signature | 03/11/1906 | |
| CONGO | Ratification | 06/04/1907 | |
| FRANCE | Signature | 03/11/1906 | |
| FRANCE | Ratification | 03/11/1907 | |
| GERMANY | Signature | 03/11/1906 | |
| GERMANY | Ratification | 16/10/1907 | |
| ITALY | Signature | 03/11/1906 | |
| ITALY | Ratification | 11/07/1907 | |
| NETHERLANDS THE | Signature | 03/11/1906 | |
| NETHERLANDS THE | Ratification | 02/11/1907 | |
| PORTUGAL | Signature | 03/11/1906 | |
| PORTUGAL | Ratification | 30/10/1907 | |
| RUSSIA | Signature | 03/11/1906 | |
| RUSSIA | Ratification | 11/06/1907 | |
| SPAIN | Signature | 03/11/1906 | |
| SPAIN | Ratification | 04/04/1907 | |
| SWEDEN | Signature | 03/11/1906 | |
| SWEDEN | Signature | 29/11/1906 | |
| SWEDEN | Ratification | 07/06/1907 | |
| SWITZERLAND | Signature | 29/11/1906 | |
| UNITED KINGDOM | Signature | 03/11/1906 | |
| UNITED KINGDOM | Ratification | 19/01/1907 | |
| UNITED KINGDOM | Ratification | 09/02/1907 | |