| Country | Action | Action Date | Effective Date |
|---|---|---|---|
| AUSTRALIA | Signature | 19/02/1954 | |
| CANADA | Signature | 19/02/1954 | |
| FRANCE | Signature | 12/04/1954 | |
| JAPAN | Signature | 19/02/1954 | |
| JAPAN | Acceptance | 01/06/1954 | |
| NEW ZEALAND | Signature | 19/02/1954 | |
| PHILIPPINES | Signature | 19/02/1954 | |
| SOUTH AFRICA | Signature | 19/02/1954 | |
| UNITED KINGDOM | Signature | 19/02/1954 | |
| UNITED STATES OF AMERICA | Signature | 19/02/1954 |