| Country | Action | Action Date | Effective Date |
|---|
| AUSTRALIA | Signature | 03/09/1946 | |
| BELGIUM | Signature | 30/08/1946 | |
| BRAZIL | Signature | 30/08/1946 | |
| CUBA | Signature | 24/09/1946 | |
| CZECHOSLOVAKIA | Signature | 30/08/1946 | |
| DOMINICAN REPUBLIC | Signature | 30/08/1946 | |
| FRANCE | Signature | 30/08/1946 | |
| HAITI | Signature | 30/08/1946 | |
| NETHERLANDS THE | Signature | 30/08/1946 | |
| PERU | Signature | 30/08/1946 | |
| PHILIPPINES | Signature | 26/09/1946 | |
| POLAND | Signature | 30/08/1946 | |
| PORTUGAL | Signature | 30/08/1946 | |
| SOUTH AFRICA | Signature | 30/08/1946 | |
| SOVIET UNION | Signature | 03/09/1946 | |
| UNITED KINGDOM | Signature | 30/08/1946 | |
| UNITED STATES OF AMERICA | Signature | 11/09/1946 | |
| UNITED STATES OF AMERICA | Ratification | 20/05/1947 | |
| YUGOSLAVIA | Signature | 28/09/1946 | |