| Country | Action | Action Date | Effective Date |
|---|---|---|---|
| AUSTRALIA | Signature | 11/07/1947 | |
| AUSTRALIA | Ratification | 15/06/1973 | |
| UNITED KINGDOM | Signature | 11/07/1947 | |
| UNITED KINGDOM | Ratification | 27/03/1950 | |
| UNITED KINGDOM | Declaration | 27/03/1950 | |
| UNITED KINGDOM | Declaration | 17/05/1979 |