| Country | Action | Action Date | Effective Date |
|---|---|---|---|
| Australia | |||
| Cameroon & Togo Trust Territories | |||
| Cameroons | Extension | 08/08/1930 | |
| EL SALVADOR | Signature | 17/07/1930 | |
| Nauru | Extension | 08/08/1930 | |
| NEW GUINEA | Extension | 08/08/1930 | |
| New Zealand | |||
| Palestine | Extension | 08/08/1930 | |
| South Africa | |||
| South West Africa | Extension | 08/08/1930 | |
| Tanganyika | Extension | 08/08/1930 | |
| Togoland | Extension | 08/08/1930 | |
| Transjordan | |||
| UNITED KINGDOM | Signature | 17/07/1930 | |
| Western Samoa | Extension | 08/08/1930 |