| Country | Action | Action Date | Effective Date |
|---|
| AUSTRIA-HUNGARY | Signature | 24/01/1900 | |
| AUSTRIA-HUNGARY | Ratification | 20/08/1900 | |
| BELGIUM | Signature | 24/01/1900 | |
| BELGIUM | Ratification | 20/08/1900 | |
| FRANCE | Signature | 24/01/1900 | |
| FRANCE | Ratification | 20/08/1900 | |
| GERMANY | Signature | 24/01/1900 | |
| GERMANY | Ratification | 20/08/1900 | |
| ITALY | Signature | 24/01/1900 | |
| ITALY | Ratification | 20/08/1900 | |
| LUXEMBOURG | Signature | 24/01/1900 | |
| LUXEMBOURG | Ratification | 20/08/1900 | |
| MONTENEGRO | Signature | 24/01/1900 | |
| MONTENEGRO | Ratification | 20/08/1900 | |
| NETHERLANDS THE | Signature | 24/01/1900 | |
| NETHERLANDS THE | Ratification | 20/08/1900 | |
| PERSIA | Signature | 24/01/1900 | |
| PERSIA | Ratification | 20/08/1900 | |
| ROUMANIA | Signature | 24/01/1900 | |
| ROUMANIA | Ratification | 20/08/1900 | |
| RUSSIA | Signature | 24/01/1900 | |
| RUSSIA | Ratification | 20/08/1900 | |
| SPAIN | Signature | 24/01/1900 | |
| SPAIN | Ratification | 20/08/1900 | |
| SWEDEN | Accession | 09/12/1900 | |
| SWITZERLAND | Signature | 24/01/1900 | |
| SWITZERLAND | Ratification | 20/08/1900 | |
| UNITED KINGDOM | Signature | 24/01/1900 | |
| UNITED KINGDOM | Ratification | 24/02/1900 | |
| UNITED KINGDOM | Ratification | 20/08/1900 | |