| Country | Action | Action Date | Effective Date |
|---|---|---|---|
| BAHAMAS | Signature | 25/02/1946 | |
| CANADA | Signature | 25/02/1946 | |
| CUBA | Signature | 25/02/1946 | |
| DOMINICAN REPUBLIC | Signature | 25/02/1946 | |
| MEXICO | Signature | 25/02/1946 | |
| Newfoundland (UK) | Signature | 25/02/1946 | |
| UNITED KINGDOM | |||
| UNITED STATES OF AMERICA | Signature | 25/02/1946 |