| Country | Action | Action Date | Effective Date |
|---|---|---|---|
| AUSTRALIA | Signature | 12/03/1947 | |
| AUSTRALIA | Approval | 04/12/1947 | |
| CANADA | Signature | 17/03/1947 | |
| DENMARK | Signature | 05/03/1947 | |
| FRANCE | Signature | 06/03/1947 | |
| NEW ZEALAND | Signature | 12/03/1947 | |
| NORWAY | Signature | 05/03/1947 | |
| SOUTH AFRICA | Signature | 06/03/1947 | |
| SOVIET UNION | Signature | 06/03/1947 | |
| UNITED KINGDOM | Signature | 17/03/1947 | |
| UNITED STATES OF AMERICA | Signature | 14/03/1947 | |
| UNITED STATES OF AMERICA | Ratification | 01/08/1947 |