| Country | Action | Action Date | Effective Date |
|---|
| Cameroons | Extension | 19/09/1929 | |
| Malay States, Unfederated | Extension | 04/01/1935 | |
| Nauru | Extension | 19/09/1929 | |
| New Guinea | Extension | 19/09/1929 | |
| Palestine, Mandated Territories (exc. Trans-Jordan) | Extension | 19/09/1929 | |
| Solomon Islands Protectorate | Extension | 17/03/1937 | |
| South West Africa | Extension | 19/09/1929 | |
| SWITZERLAND | Signature | 29/06/1904 | |
| Tanganyika | Extension | 19/09/1929 | |
| Togoland | Extension | 19/09/1929 | |
| Transjordan | Extension | 09/05/1932 | |
| UNITED KINGDOM | Signature | 29/06/1904 | |
| Western Samoa (UK) | Extension | 19/09/1929 | |
| Zanzibar | Extension | 17/03/1937 | |