| Country | Action | Action Date | Effective Date |
|---|---|---|---|
| Bermuda | Extension | 10/06/1930 | |
| British Virgin Islands | Extension | 10/06/1930 | |
| Cayman Islands | Extension | 10/06/1930 | |
| EGYPT | Signature | 07/06/1930 | |
| Falkland Island Dependencies | Extension | 10/06/1930 | |
| Gibraltar | Extension | 10/06/1930 | |
| India | Extension | 14/06/1930 | 16/06/1930 |
| Montserrat | Extension | 10/06/1930 | |
| New Hebrides | Extension | 01/06/1931 | 15/06/1931 |
| Turks And Caicos Islands | Extension | 10/06/1930 | |
| UNITED KINGDOM | Signature | 05/06/1930 |