| Country | Action | Action Date | Effective Date |
|---|---|---|---|
| Aegean Islands | Extension | 26/12/1933 | |
| AFGHANISTAN | Accession | 03/10/1935 | |
| ALBANIA | Accession | 06/05/1935 | |
| ARGENTINE REPUBLIC | Signature | 09/12/1932 | |
| ARGENTINE REPUBLIC | Ratification | 27/04/1936 | |
| Australia | Signature | 09/12/1932 | |
| Australia | Ratification | 20/03/1934 | |
| AUSTRIA | Signature | 09/12/1932 | |
| AUSTRIA | Ratification | 23/03/1934 | |
| Belgian Congo | Extension | 02/12/1933 | |
| BELGIUM | Ratification | 02/12/1933 | |
| BELGIUM | Signature | 09/12/1935 | |
| BOLIVIA | Signature | 09/12/1932 | |
| BRAZIL | Signature | 09/12/1932 | |
| BRAZIL | Ratification | 21/01/1938 | |
| BULGARIA | Accession | 13/12/1933 | |
| Burma | Extension | 15/09/1937 | |
| BYELORUSSIA S S R | Accession | 07/05/1947 | |
| Canada | Signature | 09/12/1932 | |
| Canada | Ratification | 06/03/1934 | |
| CHILE | Signature | 09/12/1932 | |
| CHINA | Signature | 09/12/1932 | |
| CHINA | Ratification | 05/06/1935 | |
| CHINA | Reservation | 05/06/1935 | |
| COLOMBIA | Signature | 09/12/1932 | |
| COLOMBIA | Ratification | 07/11/1934 | |
| COLOMBIA | Accession | 28/07/1943 | |
| COSTA RICA | Signature | 09/12/1932 | |
| CROATIA | Accession | 07/07/1941 | |
| CUBA | Signature | 09/12/1932 | |
| CUBA | Ratification | 13/04/1938 | |
| Curacao | Extension | 23/12/1933 | |
| Cyrenaica | Extension | 26/12/1933 | |
| CZECHOSLOVAKIA | Signature | 09/12/1932 | |
| CZECHOSLOVAKIA | Ratification | 05/01/1934 | |
| DANZIG | Signature | 09/12/1932 | |
| DANZIG | Ratification | 22/08/1938 | |
| DENMARK | Signature | 09/12/1932 | |
| DENMARK | Ratification | 06/02/1934 | |
| DOMINICAN REPUBLIC | Signature | 09/12/1932 | |
| DOMINICAN REPUBLIC | Ratification | 06/12/1935 | |
| East Indies | Extension | 23/12/1933 | |
| ECUADOR | Signature | 09/12/1932 | |
| EGYPT | Signature | 09/12/1932 | |
| EGYPT | Ratification | 11/01/1934 | |
| Eritrea | Extension | 26/12/1933 | |
| ESTONIA | Accession | 19/01/1935 | 29/12/1934 |
| ETHIOPIA | Signature | 09/12/1932 | |
| ETHIOPIA | Ratification | 14/11/1934 | |
| ETHIOPIA | Accession | 16/03/1943 | |
| FINLAND | Signature | 09/12/1932 | |
| FINLAND | Ratification | 30/12/1933 | |
| FRANCE | Signature | 09/12/1932 | |
| FRANCE | Ratification | 05/05/1938 | |
| GERMANY | Signature | 09/12/1932 | |
| GERMANY | Ratification | 29/06/1934 | |
| GERMANY | Declaration | 07/09/1939 | |
| GREECE | Signature | 09/12/1932 | |
| GREECE | Ratification | 03/06/1939 | |
| GUATEMALA | Signature | 09/12/1932 | |
| GUATEMALA | Ratification | 15/11/1940 | |
| Guinea, Colony of Gulf of | Extension | 27/06/1934 | |
| HAYTI | Accession | 03/08/1935 | |
| HONDURAS | Signature | 09/12/1932 | |
| HONDURAS | Ratification | 12/05/1939 | |
| HUNGARY | Signature | 09/12/1932 | |
| HUNGARY | Ratification | 10/06/1935 | |
| ICELAND | Signature | 09/12/1932 | |
| ICELAND | Ratification | 09/03/1934 | |
| India | Signature | 09/12/1932 | |
| India | Ratification | 30/04/1934 | |
| IRAN | Signature | 09/12/1932 | |
| IRAN | Ratification | 20/07/1934 | |
| IRAN | Accession | 20/05/1947 | |
| IRAQ | Accession | 02/04/1940 | |
| Irish Free State | Signature | 09/12/1932 | |
| Irish Free State | Ratification | 15/02/1935 | |
| ITALY | Signature | 09/12/1932 | |
| ITALY | Ratification | 26/12/1933 | |
| JAPAN | Signature | 09/12/1932 | |
| JAPAN | Ratification | 01/03/1934 | |
| JORDAN | Withdrawal | 01/01/1905 | |
| LATVIA | Signature | 09/12/1932 | |
| LEBANON | Ratification | 11/03/1946 | |
| LIBERIA | Signature | 09/12/1932 | |
| LITHUANIA | Signature | 09/12/1932 | |
| LUXEMBOURG | Signature | 09/12/1932 | |
| LUXEMBOURG | Ratification | 09/06/1934 | |
| MEXICO | Signature | 09/12/1932 | |
| MEXICO | Ratification | 19/10/1935 | |
| MONACO | Accession | 11/04/1947 | |
| MONGOLIA | Accession | 08/05/1947 | |
| MOROCCO | Signature | 09/12/1932 | |
| MOROCCO | Ratification | 23/02/1934 | |
| Morocco | Extension | 27/06/1934 | |
| Nauru | Extension | 20/03/1934 | |
| NETHERLANDS THE | Signature | 09/12/1932 | |
| NETHERLANDS THE | Ratification | 23/12/1933 | |
| Netherlands West Indies | Extension | 15/09/1937 | |
| New Guinea | Extension | 20/03/1934 | |
| New Hebrides | Extension | 09/12/1938 | |
| New Zealand | Signature | 09/12/1932 | |
| New Zealand | Ratification | 05/03/1934 | |
| NICARAGUA | Signature | 09/12/1932 | |
| NICARAGUA | Ratification | 27/08/1947 | |
| Norfolk Island | Extension | 20/03/1934 | |
| NORWAY | Signature | 09/12/1932 | |
| NORWAY | Ratification | 15/12/1937 | |
| PAKISTAN | Accession | 26/08/1947 | |
| PANAMA | Signature | 09/12/1932 | |
| PANAMA | Ratification | 29/03/1935 | |
| Papua | Extension | 20/03/1934 | |
| PARAGUAY | Accession | 04/03/1941 | |
| PERU | Signature | 09/12/1932 | |
| PHILIPPINES | Accession | 20/05/1947 | |
| POLAND | Signature | 09/12/1932 | |
| POLAND | Ratification | 31/05/1934 | |
| PORTUGAL | Signature | 09/12/1932 | |
| PORTUGAL | Ratification | 04/07/1941 | |
| ROUMANIA | Signature | 09/12/1932 | |
| ROUMANIA | Ratification | 14/06/1939 | |
| Ruanda Urundi | Extension | 02/12/1933 | |
| SALVADOR | Signature | 09/12/1932 | |
| SIAM | Accession | 02/06/1939 | |
| SLOVAK REPUBLIC | Accession | 14/06/1939 | |
| Somaliland | Extension | 26/12/1933 | |
| South Africa | Signature | 09/12/1932 | |
| South Africa | Ratification | 30/05/1935 | |
| South West Africa | Extension | 30/05/1935 | |
| SOVIET UNION | Signature | 09/12/1932 | |
| SOVIET UNION | Ratification | 15/06/1935 | |
| SPAIN | Signature | 09/12/1932 | |
| SPAIN | Ratification | 27/06/1934 | |
| Surinam | Extension | 23/12/1933 | |
| SWEDEN | Signature | 09/12/1932 | |
| SWEDEN | Ratification | 23/06/1937 | |
| SWITZERLAND | Signature | 09/12/1932 | |
| SWITZERLAND | Ratification | 01/08/1934 | |
| SYRIA & GRAND LEBANON | Signature | 09/12/1932 | |
| SYRIA & GRAND LEBANON | Ratification | 22/05/1934 | |
| Tripoli | Extension | 26/12/1933 | |
| TUNIS | Signature | 09/12/1932 | |
| TUNIS | Ratification | 05/05/1938 | |
| TURKEY | Signature | 09/12/1932 | |
| TURKEY | Ratification | 01/11/1935 | |
| UKRAINE S S R | Accession | 07/05/1947 | |
| UNITED KINGDOM | Signature | 09/12/1932 | |
| UNITED KINGDOM | Ratification | 29/05/1935 | |
| UNITED KINGDOM | Declaration | 23/08/1935 | |
| UNITED KINGDOM | Declaration | 15/09/1937 | |
| UNITED KINGDOM | Declaration | 09/12/1938 | |
| UNITED STATES OF AMERICA | Signature | 09/12/1932 | |
| UNITED STATES OF AMERICA | Ratification | 13/06/1934 | |
| URUGUAY | Signature | 09/12/1932 | |
| URUGUAY | Ratification | 27/04/1936 | |
| VATICAN CITY | Signature | 09/12/1932 | |
| VATICAN CITY | Ratification | 27/12/1933 | |
| VENEZUELA | Signature | 09/12/1932 | |
| VENEZUELA | Ratification | 09/05/1935 | |
| YEMEN | Signature | 09/12/1932 | |
| YEMEN | Ratification | 18/05/1936 | |
| YUGOSLAVIA | Signature | 09/12/1932 | |
| YUGOSLAVIA | Ratification | 28/08/1934 |