| Country | Action | Action Date | Effective Date |
|---|
| AUSTRALIA | Signature | 10/02/1947 | |
| AUSTRALIA | Ratification | 10/07/1948 | |
| BYELORUSSIA S S R | Signature | 10/02/1947 | |
| CANADA | Signature | 10/02/1947 | |
| CANADA | Ratification | 19/09/1947 | |
| CZECHOSLOVAKIA | Signature | 10/02/1947 | |
| CZECHOSLOVAKIA | Ratification | 14/10/1947 | |
| INDIA | Signature | 10/02/1947 | |
| INDIA | Ratification | 19/09/1947 | |
| NEW ZEALAND | Signature | 10/02/1947 | |
| NEW ZEALAND | Ratification | 31/12/1947 | |
| PAKISTAN | Accession | 19/09/1947 | |
| ROUMANIA | Signature | 10/02/1947 | |
| ROUMANIA | Ratification | 15/09/1947 | |
| SOUTH AFRICA | Signature | 10/02/1947 | |
| SOUTH AFRICA | Ratification | 17/05/1948 | |
| SOVIET UNION | Signature | 10/02/1947 | |
| SOVIET UNION | Ratification | 15/09/1947 | |
| UKRAINE S S R | Signature | 10/02/1947 | |
| UNITED KINGDOM | Signature | 10/02/1947 | |
| UNITED KINGDOM | Ratification | 15/09/1947 | |
| UNITED STATES OF AMERICA | Signature | 10/02/1947 | |
| UNITED STATES OF AMERICA | Ratification | 15/09/1947 | |