| Country | Action | Action Date | Effective Date |
|---|---|---|---|
| AUSTRIA | |||
| Channel Islands | Extension | 27/04/1935 | |
| Falkland Islands | Extension | 01/04/1932 | |
| KENYA | Extension | 01/04/1932 | |
| Malay States, Unfederated | Extension | 11/04/1932 | |
| Northern Rhodesia | Extension | 01/04/1932 | |
| Straits Settlements | Extension | 01/04/1932 | |
| UNITED KINGDOM | Signature | 31/03/1931 | |
| UNITED KINGDOM | Ratification | 15/06/1931 | |
| UNITED KINGDOM | Extension | 01/04/1932 |