| Country | Action | Action Date | Effective Date |
|---|---|---|---|
| BRAZIL | Signature | 08/12/1933 | |
| BRAZIL | Declaration | 08/12/1933 | |
| CHINA | Signature | 08/02/1933 | |
| FRANCE | Signature | 08/02/1933 | |
| FRANCE | Declaration | 08/02/1933 | |
| NETHERLANDS THE | Signature | 08/12/1933 | |
| NETHERLANDS THE | Ratification | 08/12/1933 | |
| NORWAY | Signature | 08/02/1933 | |
| NORWAY | Declaration | 08/02/1933 | |
| UNITED KINGDOM | Declaration | 08/02/1933 | |
| UNITED KINGDOM | Signature | 08/12/1933 | |
| UNITED STATES OF AMERICA | Signature | 08/12/1933 | |
| UNITED STATES OF AMERICA | Ratification | 08/12/1933 |