| Country | Action | Action Date | Effective Date |
|---|---|---|---|
| Aden Colony | Extension | 22/11/1945 | 18/03/1946 |
| Australia | Signature | 12/04/1933 | |
| Australia | Declaration | 12/04/1933 | |
| Australia | Ratification | 18/02/1935 | |
| Australia | Declaration | 31/03/1936 | |
| AUSTRIA | Signature | 12/04/1933 | |
| AUSTRIA | Ratification | 29/05/1935 | |
| Bahamas | Extension | 01/08/1935 | |
| Barbados | Extension | 01/08/1935 | |
| Basutoland | Extension | 10/09/1945 | 08/01/1946 |
| Bechuanaland | Extension | 10/09/1945 | 08/01/1946 |
| BELGIUM | Signature | 12/04/1933 | |
| BELGIUM | Ratification | 28/10/1935 | |
| Bermuda | Extension | 01/08/1935 | |
| BOLIVIA | Accession | 03/04/1935 | |
| BRAZIL | Accession | 03/04/1935 | |
| BRAZIL | Reservation | 03/04/1935 | |
| British Guiana | Extension | 01/08/1935 | |
| British Honduras | Extension | 01/08/1935 | |
| British Solomon Islands | Extension | 19/05/1937 | |
| Burma | Extension | 09/06/1939 | |
| Ceylon | Extension | 02/02/1939 | |
| CHILE | Accession | 12/04/1935 | |
| Cyprus | Extension | 01/08/1935 | |
| DOMINICAN REPUBLIC | Accession | 12/06/1946 | 10/10/1946 |
| EGYPT | Signature | 12/04/1933 | |
| EGYPT | Ratification | 08/08/1934 | |
| Falkland Islands | Extension | 01/08/1935 | |
| Fiji | Extension | 19/05/1937 | |
| FIJI | Succession | 18/01/1972 | 10/10/1970 |
| FRANCE | Signature | 12/04/1933 | |
| GERMAN DEMOCRATIC REPUBLIC | Accession | 21/07/1958 | |
| GERMANY | Signature | 12/04/1933 | |
| GERMANY | Ratification | 17/04/1935 | |
| GERMANY FEDERAL REPUBLIC | Re-Application | 01/01/1953 | 01/01/1953 |
| Gibraltar | Extension | 12/02/1946 | 12/06/1946 |
| Gilbert & Ellice Colony | Extension | 19/05/1937 | |
| Gold Coast | Extension | 01/08/1935 | |
| GREECE | Signature | 24/08/1933 | |
| GREECE | Ratification | 04/01/1938 | |
| Hong Kong | Extension | 01/08/1935 | |
| IRAQ | Accession | 03/04/1935 | |
| IRAQ | Reservation | 03/04/1935 | |
| Irish Free State | Signature | 12/04/1933 | |
| ITALY | Signature | 12/04/1933 | |
| ITALY | Ratification | 15/08/1935 | |
| Jamaica | Extension | 01/06/1946 | 29/09/1946 |
| Kenya | Extension | 01/08/1935 | |
| Leeward Islands | Extension | 01/08/1935 | |
| LIBERIA | Accession | 14/04/1937 | |
| Malay States, Federated | Extension | 01/08/1935 | |
| Malay States, Unfederated | Extension | 01/08/1935 | |
| Mauritius | Extension | 01/08/1935 | |
| MONACO | Signature | 12/04/1933 | |
| MONACO | Ratification | 11/06/1934 | |
| MOROCCO | Signature | 12/04/1933 | |
| MOROCCO | Ratification | 13/03/1934 | |
| NETHERLANDS THE | Signature | 12/04/1933 | |
| NETHERLANDS THE | Ratification | 13/09/1934 | |
| New Guinea | Extension | 31/03/1936 | |
| New Zealand | Signature | 12/04/1933 | |
| Newfoundland (UK) | Extension | 10/09/1945 | 08/01/1946 |
| Nigeria | Extension | 01/08/1935 | |
| Norfolk Island | Extension | 31/03/1936 | |
| North Borneo | Extension | 01/08/1935 | |
| Northern Rhodesia | Extension | 19/05/1937 | |
| Nyasaland | Extension | 01/08/1935 | |
| Palestine | Extension | 01/08/1935 | |
| Papua | Extension | 31/03/1936 | |
| PAPUA NEW GUINEA | Succession | 07/04/1977 | 16/09/1975 |
| POLAND | Signature | 12/04/1933 | |
| POLAND | Ratification | 22/06/1935 | |
| PORTUGAL | Accession | 15/12/1948 | 15/04/1949 |
| ROUMANIA | Signature | 12/04/1933 | |
| ROUMANIA | Ratification | 25/03/1935 | |
| Sarawak | Extension | 01/08/1935 | |
| Sierra Leone | Extension | 01/08/1935 | |
| South Africa | Signature | 12/04/1933 | |
| South Africa | Ratification | 29/01/1938 | |
| Southern Rhodesia | Extension | 01/08/1935 | |
| SPAIN | Signature | 15/12/1933 | |
| Straits Settlements | Extension | 01/08/1935 | |
| SUDAN | Accession | 03/04/1935 | |
| Swaziland | Extension | 10/09/1945 | 08/01/1946 |
| SWEDEN | Signature | 12/04/1933 | |
| SWEDEN | Ratification | 28/11/1938 | |
| SYRIA & GRAND LEBANON | Signature | 12/04/1933 | |
| SYRIA & GRAND LEBANON | Ratification | 28/11/1934 | |
| Tanganyika | Extension | 01/08/1935 | |
| The Gambia | Extension | 12/02/1946 | 12/06/1946 |
| Tonga | Extension | 19/05/1935 | |
| Transjordan | Extension | 01/08/1935 | |
| Trinidad | Extension | 08/11/1945 | 04/03/1946 |
| TUNIS | Signature | 12/04/1933 | |
| TUNIS | Ratification | 13/03/1935 | |
| TURKEY | Accession | 17/07/1935 | |
| Uganda | Extension | 01/08/1935 | |
| UNITED KINGDOM | Signature | 12/04/1933 | |
| UNITED KINGDOM | Declaration | 12/04/1933 | |
| UNITED KINGDOM | Ratification | 15/09/1934 | |
| UNITED KINGDOM | Declaration | 03/04/1935 | |
| UNITED KINGDOM | Declaration | 19/05/1937 | |
| UNITED KINGDOM | Declaration | 02/02/1939 | |
| UNITED KINGDOM | Declaration | 09/06/1939 | |
| UNITED KINGDOM | Declaration | 08/09/1945 | |
| UNITED KINGDOM | Declaration | 10/09/1945 | |
| UNITED KINGDOM | Declaration | 22/09/1945 | |
| UNITED KINGDOM | Declaration | 12/02/1946 | |
| UNITED KINGDOM | Declaration | 01/06/1946 | |
| UNITED KINGDOM | Declaration | 01/01/1953 | |
| UNITED STATES OF AMERICA | Signature | 06/04/1934 | |
| UNITED STATES OF AMERICA | Declaration | 06/04/1934 | |
| UNITED STATES OF AMERICA | Ratification | 25/07/1935 | |
| Windward Islands | Extension | 01/06/1946 | 29/09/1946 |
| Zanzibar | Extension | 01/08/1935 |