| Country | Action | Action Date | Effective Date |
|---|
| AUSTRALIA | Signature | 04/12/1945 | |
| AUSTRALIA | Approval | 29/03/1946 | |
| CANADA | Signature | 04/12/1945 | |
| CANADA | Approval | 01/03/1946 | |
| INDIA | Signature | 04/12/1945 | |
| INDIA | Approval | 29/03/1946 | |
| NEW ZEALAND | Signature | 04/12/1945 | |
| NEW ZEALAND | Approval | 23/03/1946 | |
| NEW ZEALAND | Reservation | 23/03/1946 | |
| SOUTH AFRICA | Signature | 04/12/1945 | |
| SOUTH AFRICA | Approval | 27/03/1946 | |
| Southern Rhodesia | Signature | 04/12/1945 | |
| Southern Rhodesia | Approval | 09/03/1946 | |
| UNITED KINGDOM | Signature | 04/12/1945 | |
| UNITED KINGDOM | Approval | 13/03/1946 | 13/04/1946 |
| UNITED KINGDOM | Reservation | 13/03/1946 | |
| UNITED KINGDOM | Ratification | 13/04/1946 | |
| UNITED STATES OF AMERICA | Signature | 04/12/1945 | |
| UNITED STATES OF AMERICA | Approval | 16/03/1946 | |