| Country | Action | Action Date | Effective Date |
|---|
| ARGENTINA | Signature | 25/08/1933 | |
| AUSTRALIA | Signature | 25/08/1933 | |
| AUSTRIA | Signature | 25/08/1933 | |
| BELGIUM | Signature | 25/08/1933 | |
| BULGARIA | Signature | 25/08/1933 | |
| CANADA | Signature | 25/08/1933 | |
| CZECHOSLOVAKIA | Signature | 25/08/1933 | |
| FRANCE | Signature | 25/08/1933 | |
| GERMANY | Signature | 25/08/1933 | |
| GREECE | Signature | 25/08/1933 | |
| HUNGARY | Signature | 25/08/1933 | |
| Irish Free State | Signature | 25/08/1933 | |
| ITALY | Signature | 25/08/1933 | |
| POLAND | Signature | 25/08/1933 | |
| ROUMANIA | Signature | 25/08/1933 | |
| SOVIET UNION | Signature | 25/08/1933 | |
| SPAIN | Signature | 25/08/1933 | |
| SWEDEN | Signature | 25/08/1933 | |
| SWITZERLAND | Signature | 25/08/1933 | |
| UNITED KINGDOM | Signature | 25/08/1933 | |
| UNITED STATES OF AMERICA | Signature | 25/08/1933 | |
| YUGOSLAVIA | Signature | 25/08/1933 | |