| Country | Action | Action Date | Effective Date |
|---|
| AFGHANISTAN | Accession | 15/04/1937 | |
| ALBANIA | Signature | 20/03/1934 | |
| ALBANIA | Ratification | 10/03/1937 | |
| ARGENTINE REPUBLIC | Signature | 20/03/1934 | |
| AUSTRALIA | Signature | 20/03/1934 | |
| AUSTRALIA | Ratification | 08/03/1935 | |
| AUSTRIA | Signature | 20/03/1934 | |
| AUSTRIA | Ratification | 05/03/1935 | |
| Bahamas | Extension | 30/03/1935 | |
| Barbados | Extension | 30/03/1935 | |
| Basutoland | Extension | 30/03/1935 | |
| Bechuanaland Protectorate | Extension | 30/03/1935 | |
| Belgian Congo | Extension | 23/05/1935 | |
| BELGIUM | Signature | 20/03/1934 | |
| BELGIUM | Ratification | 18/02/1935 | |
| Bermuda | Extension | 30/03/1935 | |
| BOLIVIA | Signature | 20/03/1935 | |
| BRAZIL | Signature | 20/03/1935 | |
| BRAZIL | Ratification | 19/03/1939 | |
| British Guiana | Extension | 30/03/1935 | |
| British Honduras | Extension | 30/03/1935 | |
| BULGARIA | Signature | 20/03/1934 | |
| BULGARIA | Ratification | 10/08/1939 | |
| CANADA | Signature | 20/03/1934 | |
| CANADA | Ratification | 03/12/1934 | |
| Cayman Islands | Extension | 30/03/1935 | |
| Ceylon | Extension | 30/03/1935 | |
| CHILE | Signature | 20/03/1934 | |
| CHILE | Ratification | 26/03/1935 | |
| CHINA | Signature | 20/03/1934 | |
| CHINA | Ratification | 11/01/1936 | |
| COLOMBIA | Signature | 20/03/1934 | |
| COLOMBIA | Ratification | 21/05/1936 | |
| COSTA RICA | Signature | 20/03/1934 | |
| CUBA | Signature | 20/03/1934 | |
| CUBA | Ratification | 10/03/1935 | |
| Curacao | Extension | 23/10/1934 | |
| Cyprus | Extension | 30/03/1935 | |
| Cyrenaica | Extension | 06/04/1935 | |
| CZECHOSLOVAKIA | Signature | 20/03/1935 | |
| CZECHOSLOVAKIA | Ratification | 05/05/1935 | |
| DANZIG | Signature | 20/03/1934 | |
| DENMARK | Signature | 20/03/1934 | |
| DENMARK | Ratification | 18/12/1934 | |
| DOMINICAN REPUBLIC | Signature | 20/03/1934 | |
| DOMINICAN REPUBLIC | Ratification | 14/11/1936 | |
| East Indies | Extension | 23/10/1934 | |
| ECUADOR | Signature | 20/03/1934 | |
| ECUADOR | Ratification | 31/12/1935 | |
| EGYPT | Signature | 20/03/1934 | |
| EGYPT | Ratification | 30/12/1934 | |
| Eritrea | Extension | 06/04/1935 | |
| ESTONIA | Signature | 20/03/1934 | |
| ESTONIA | Ratification | 04/07/1936 | 14/11/1935 |
| ETHIOPIA | Signature | 20/03/1934 | |
| ETHIOPIA | Ratification | 22/09/1935 | |
| Falkland Islands | Extension | 30/03/1935 | |
| Fiji | Extension | 30/03/1935 | |
| FINLAND | Signature | 20/03/1934 | |
| FINLAND | Ratification | 04/07/1935 | |
| FRANCE | Signature | 20/03/1934 | |
| FRANCE | Ratification | 09/08/1937 | |
| GERMANY | Signature | 20/03/1934 | |
| GERMANY | Ratification | 16/02/1935 | |
| Gibraltar | Extension | 30/03/1935 | |
| Gilbert & Ellice Colony | Extension | 30/03/1935 | |
| Gold Coast | Extension | 30/03/1935 | |
| GREECE | Signature | 20/03/1934 | |
| GUATEMALA | Signature | 20/03/1934 | |
| GUATEMALA | Ratification | 14/09/1938 | |
| HAYTI | Accession | 19/12/1934 | |
| HONDURAS | Signature | 20/03/1934 | |
| HONDURAS | Ratification | 29/01/1938 | |
| Hong Kong | Extension | 30/03/1935 | |
| HUNGARY | Signature | 20/03/1934 | |
| HUNGARY | Ratification | 01/05/1935 | |
| ICELAND | Signature | 20/03/1934 | |
| INDIA | Signature | 20/03/1934 | |
| INDIA | Ratification | 02/06/1935 | |
| IRAQ | Signature | 20/03/1934 | |
| IRAQ | Ratification | 05/04/1936 | |
| IRELAND, REPUBLIC OF | Signature | 20/03/1934 | |
| IRELAND, REPUBLIC OF | Ratification | 10/01/1940 | |
| ITALY | Signature | 20/03/1934 | |
| ITALY | Ratification | 06/04/1935 | |
| Jamaica | Extension | 30/03/1935 | |
| JAPAN | Signature | 20/03/1934 | |
| JAPAN | Ratification | 10/02/1935 | |
| Kenya | Extension | 30/03/1935 | |
| LATVIA | Signature | 20/03/1934 | |
| LATVIA | Ratification | 26/01/1939 | |
| Leeward Islands | Extension | 30/03/1935 | |
| LIBERIA | Accession | 10/06/1936 | |
| LITHUANIA | Accession | 23/02/1939 | |
| Lord Howe Island | Extension | 08/03/1935 | |
| LUXEMBOURG | Accession | 18/08/1934 | |
| Malay States | Extension | 30/03/1935 | |
| Malay States, Unfederated | Extension | 30/03/1935 | |
| Malta | Extension | 30/03/1935 | |
| Mauritius | Extension | 30/03/1935 | |
| MEXICO | Signature | 20/03/1934 | |
| MEXICO | Ratification | 29/01/1936 | |
| MOROCCO | Signature | 20/03/1934 | |
| Morocco | Extension | 24/04/1935 | |
| MOROCCO | Ratification | 09/08/1937 | |
| Nauru | Extension | 08/03/1935 | |
| NETHERLANDS THE | Signature | 20/03/1934 | |
| NETHERLANDS THE | Ratification | 23/10/1934 | |
| New Guinea | Extension | 08/03/1935 | |
| NEW ZEALAND | Signature | 20/03/1934 | |
| NEW ZEALAND | Ratification | 30/01/1935 | |
| Newfoundland (UK) | Extension | 30/03/1935 | |
| NICARAGUA | Signature | 20/03/1934 | |
| Nigeria | Extension | 30/03/1935 | |
| Norfolk Island | Extension | 08/03/1935 | |
| North Borneo | Extension | 30/03/1935 | |
| Northern Rhodesia | Extension | 30/03/1935 | |
| NORWAY | Signature | 20/03/1934 | |
| NORWAY | Ratification | 03/12/1934 | |
| Palestine | Extension | 30/03/1935 | |
| PANAMA | Signature | 20/03/1934 | |
| Papua | Extension | 08/03/1935 | |
| PARAGUAY | Signature | 20/03/1934 | |
| PERSIA | Signature | 20/03/1934 | |
| PERSIA | Ratification | 04/09/1935 | |
| PERU | Signature | 20/03/1934 | |
| PERU | Ratification | 16/11/1936 | |
| Philippines | Extension | 31/12/1934 | |
| POLAND | Signature | 20/03/1934 | |
| POLAND | Ratification | 17/09/1935 | |
| PORTUGAL | Signature | 20/03/1934 | |
| PORTUGAL | Ratification | 13/01/1938 | |
| ROUMANIA | Signature | 20/03/1934 | |
| ROUMANIA | Ratification | 05/11/1935 | |
| SALVADOR | Accession | 30/12/1934 | |
| SAN MARINO | Signature | 20/03/1934 | |
| Sarawak | Extension | 30/03/1935 | |
| SAUDI ARABIA | Ratification | 21/01/1934 | |
| SAUDI ARABIA | Signature | 20/03/1934 | |
| Seychelles | Extension | 30/03/1935 | |
| SIAM | Accession | 03/01/1939 | |
| Sierra Leone | Extension | 30/03/1935 | |
| SLOVAK REPUBLIC | Accession | 28/06/1939 | |
| Solomon Islands Protectorate | Extension | 30/03/1935 | |
| Somaliland | Extension | 06/04/1935 | |
| Somaliland Protectorate | Extension | 30/03/1935 | |
| SOUTH AFRICA | Signature | 20/03/1934 | |
| SOUTH AFRICA | Ratification | 17/09/1935 | |
| South West Africa | Extension | 17/09/1935 | |
| Southern Rhodesia | Extension | 30/03/1935 | |
| SOVIET UNION | Signature | 20/03/1934 | |
| SOVIET UNION | Ratification | 07/05/1935 | |
| SPAIN | Signature | 20/03/1934 | |
| SPAIN | Ratification | 24/04/1935 | |
| St Helena And Ascension | Extension | 30/03/1935 | |
| Straits Settlements | Extension | 30/03/1935 | |
| Surinam | Extension | 23/10/1934 | |
| Swaziland | Extension | 30/03/1935 | |
| SWEDEN | Ratification | 03/12/1934 | |
| SWEDEN | Signature | 20/03/1935 | |
| SWITZERLAND | Signature | 20/03/1934 | |
| SWITZERLAND | Ratification | 20/11/1934 | |
| SYRIA & GRAND LEBANON | Signature | 20/03/1934 | |
| SYRIA & GRAND LEBANON | Ratification | 09/08/1937 | |
| Tanganyika | Extension | 30/03/1935 | |
| The Gambia | Extension | 30/03/1935 | |
| Tonga | Extension | 30/03/1935 | |
| Transjordan | Extension | 30/03/1935 | |
| Trinidad And Tobago | Extension | 30/03/1935 | |
| Tripoli | Extension | 06/04/1935 | |
| TUNIS | Signature | 20/03/1934 | |
| TUNIS | Ratification | 09/08/1937 | |
| TURKEY | Signature | 20/03/1934 | |
| TURKEY | Ratification | 25/05/1937 | |
| Turks And Caicos Islands | Extension | 30/03/1935 | |
| Uganda | Extension | 30/03/1935 | |
| UNITED KINGDOM | Signature | 20/03/1934 | |
| UNITED KINGDOM | Ratification | 30/03/1935 | |
| UNITED STATES OF AMERICA | Signature | 20/03/1934 | |
| UNITED STATES OF AMERICA | Ratification | 14/11/1934 | |
| URUGUAY | Signature | 20/03/1934 | |
| VATICAN CITY | Signature | 20/03/1934 | |
| VATICAN CITY | Ratification | 26/12/1934 | |
| VENEZUELA | Signature | 20/03/1934 | |
| VENEZUELA | Ratification | 10/05/1935 | |
| Western Samoa | Extension | 30/01/1935 | |
| Windward Islands | Extension | 30/03/1935 | |
| YEMEN | Accession | 20/08/1934 | |
| YUGOSLAVIA | Signature | 20/03/1934 | |
| YUGOSLAVIA | Ratification | 26/06/1937 | |
| Zanzibar | Extension | 30/03/1935 | |