| Country | Action | Action Date | Effective Date |
|---|
| ALGERIA | Accession | 10/04/1964 | 11/07/1964 |
| ARGENTINE REPUBLIC | Accession | 19/10/1935 | 19/01/1936 |
| ARGENTINE REPUBLIC | Denunciation | 03/06/1971 | 03/06/1972 |
| AUSTRALIA | Declaration | 01/01/1905 | |
| AUSTRALIA | Signature | 05/07/1930 | |
| AUSTRALIA | Ratification | 17/05/1936 | |
| AUSTRALIA | Denunciation | 21/07/1969 | 21/07/1970 |
| BELGIUM | Signature | 05/07/1930 | |
| BELGIUM | Ratification | 29/05/1935 | 29/08/1935 |
| BRAZIL | Accession | 31/12/1937 | 31/03/1938 |
| BRAZIL | Denunciation | 24/09/1969 | 24/09/1970 |
| BULGARIA | Accession | 04/09/1933 | 04/12/1933 |
| BURMA | Succession | 01/04/1937 | 01/04/1935 |
| CAMBODIA | Succession | 01/01/1905 | 15/01/1939 |
| CAMEROON | Succession | 28/02/1956 | 28/02/1956 |
| CANADA | Signature | 05/07/1930 | |
| CANADA | Ratification | 01/10/1932 | 01/01/1933 |
| CANADA | Declaration | 01/06/1936 | |
| CENTRAL AFRICAN REPUBLIC | Accession | 28/02/1956 | |
| CHILE | Signature | 05/07/1930 | |
| CHILE | Ratification | 24/05/1933 | 24/08/1933 |
| CHINA | Accession | 19/08/1935 | 19/11/1935 |
| Comoro Archipelago | Extension | 28/02/1956 | 28/02/1956 |
| CONGO | Succession | 28/02/1956 | 28/02/1956 |
| COSTA RICA | Accession | 01/07/1953 | 01/10/1953 |
| CUBA | Signature | 05/07/1930 | |
| CUBA | Ratification | 09/12/1932 | 09/03/1933 |
| Curacao | Extension | 24/04/1933 | |
| Curacao | Denunciation | 19/02/1970 | 19/02/1971 |
| CYPRUS | Accession | 02/11/1964 | 03/02/1965 |
| CYPRUS | Denunciation | 06/11/1970 | 06/11/1971 |
| CZECHOSLOVAKIA | Accession | 18/06/1955 | 18/09/1955 |
| CZECHOSLOVAKIA | Denunciation | 21/07/1969 | 21/07/1970 |
| DAHOMEY | Succession | 28/02/1956 | 28/02/1956 |
| DANZIG | Accession | 04/08/1933 | |
| DENMARK | Signature | 05/07/1930 | |
| DENMARK | Ratification | 13/08/1931 | 01/01/1933 |
| DENMARK | Denunciation | 03/12/1968 | 21/07/1970 |
| DOMINICAN REPUBLIC | Accession | 28/10/1947 | 28/01/1948 |
| East Indies | Extension | 27/02/1933 | |
| ECUADOR | Accession | 28/02/1950 | 28/05/1950 |
| ESTONIA | Accession | 17/03/1934 | |
| FINLAND | Signature | 05/07/1930 | |
| FINLAND | Ratification | 01/10/1932 | 01/01/1933 |
| FINLAND | Denunciation | 31/07/1969 | 31/07/1970 |
| FRANCE | Signature | 05/07/1930 | |
| FRANCE | Ratification | 01/10/1932 | 01/01/1933 |
| FRANCE | Declaration | 28/02/1956 | |
| French Indo-china | Extension | 15/11/1938 | |
| French Polynesia | Extension | 28/02/1956 | 28/02/1956 |
| French Somaliland | Extension | 28/02/1956 | 28/02/1956 |
| GERMAN DEMOCRATIC REPUBLIC | Re-Application | 16/05/1958 | 16/08/1958 |
| GERMANY | Signature | 05/07/1930 | |
| GERMANY | Ratification | 06/09/1933 | 06/12/1933 |
| GERMANY FEDERAL REPUBLIC | Re-Application | 01/01/1953 | |
| GERMANY FEDERAL REPUBLIC | Re-Application | 01/06/1953 | |
| GERMANY FEDERAL REPUBLIC | Re-Application | 22/01/1954 | |
| GERMANY FEDERAL REPUBLIC | Denunciation | 25/04/1969 | 21/07/1970 |
| GHANA | Accession | 22/11/1957 | 22/02/1958 |
| GREECE | Signature | 05/07/1930 | |
| GREECE | Ratification | 04/12/1934 | 04/03/1935 |
| HAITI | Accession | 02/12/1960 | 02/03/1961 |
| HONDURAS | Accession | 10/06/1948 | 10/09/1936 |
| Hong Kong | Extension | 01/07/1938 | |
| Hong Kong | Denunciation | 10/07/1969 | 21/07/1970 |
| HUNGARY | Accession | 16/01/1933 | |
| HUNGARY | Denunciation | 24/06/1974 | 24/06/1975 |
| ICELAND | Signature | 05/07/1930 | |
| ICELAND | Ratification | 26/11/1932 | 26/02/1933 |
| ICELAND | Denunciation | 22/07/1970 | 22/07/1971 |
| INDIA | Signature | 05/07/1930 | |
| INDIA | Ratification | 01/10/1934 | 01/01/1935 |
| INDIA | Denunciation | 14/10/1968 | 21/07/1970 |
| INDONESIA | Succession | 07/06/1951 | 27/04/1933 |
| IRAN | Accession | 23/04/1966 | |
| IRELAND, REPUBLIC OF | Signature | 05/07/1930 | |
| IRELAND, REPUBLIC OF | Ratification | 08/02/1934 | |
| ISRAEL | Accession | 15/07/1949 | 15/10/1949 |
| ISRAEL | Denunciation | 07/01/1970 | 07/01/1971 |
| ITALY | Signature | 05/07/1930 | |
| ITALY | Ratification | 01/10/1932 | 01/01/1933 |
| IVORY COAST | Succession | 28/02/1956 | 28/02/1956 |
| IVORY COAST | Denunciation | 23/07/1969 | 23/07/1970 |
| JAPAN | Signature | 05/07/1930 | |
| JAPAN | Ratification | 11/06/1935 | 11/09/1935 |
| JAPAN | Declaration | 12/07/1935 | |
| JAPAN | Denunciation | 17/09/1969 | 17/09/1970 |
| KOREA | Accession | 11/06/1954 | 11/09/1954 |
| KOREA | Denunciation | 18/07/1969 | 21/07/1970 |
| KUWAIT | Accession | 12/01/1959 | 12/04/1959 |
| KUWAIT | Denunciation | 21/07/1969 | 21/07/1970 |
| LATVIA | Signature | 05/07/1930 | |
| LATVIA | Ratification | 29/01/1932 | |
| LEBANON | Accession | 31/05/1966 | |
| LIBERIA | Accession | 25/03/1949 | 25/06/1949 |
| MALAGASY REPUBLIC | Succession | 28/02/1956 | 28/02/1956 |
| MALAYSIA | Succession | 10/02/1954 | 10/04/1954 |
| MAURITANIA | Succession | 28/02/1956 | 28/02/1956 |
| MEXICO | Signature | 05/07/1930 | |
| MEXICO | Ratification | 06/06/1934 | 06/09/1934 |
| NETHERLANDS THE | Signature | 05/07/1930 | |
| NETHERLANDS THE | Ratification | 09/04/1932 | 01/01/1933 |
| NETHERLANDS THE | Declaration | 27/04/1933 | |
| NETHERLANDS THE | Declaration | 15/07/1963 | |
| NETHERLANDS THE | Denunciation | 19/02/1970 | 19/02/1971 |
| Netherlands West Indies | Denunciation | 09/02/1939 | |
| New Caledonia And Dependences | Extension | 28/02/1956 | |
| NEW ZEALAND | Signature | 05/07/1930 | |
| NEW ZEALAND | Ratification | 01/10/1932 | 01/01/1933 |
| NEW ZEALAND | Denunciation | 05/02/1970 | 05/02/1971 |
| Newfoundland (UK) | Extension | 01/06/1936 | |
| NICARAGUA | Accession | 19/02/1954 | 19/05/1954 |
| NIGER | Succession | 28/02/1956 | 28/02/1956 |
| NIGER | Denunciation | 29/03/1965 | 29/03/1966 |
| NIGERIA | Accession | 09/07/1963 | 10/10/1963 |
| NORWAY | Signature | 05/07/1930 | |
| NORWAY | Ratification | 01/10/1932 | |
| NORWAY | Denunciation | 21/07/1969 | 21/07/1970 |
| PAKISTAN | Succession | 14/08/1947 | 01/10/1935 |
| PAKISTAN | Denunciation | 14/01/1971 | 14/01/1972 |
| PANAMA | Accession | 13/07/1936 | 13/10/1936 |
| PANAMA | Denunciation | 30/11/1970 | 30/11/1971 |
| PARAGUAY | Signature | 05/07/1930 | |
| PERU | Signature | 05/07/1930 | |
| PERU | Ratification | 30/03/1933 | |
| PHILIPPINES | Accession | 30/09/1949 | 30/12/1949 |
| PHILIPPINES | Denunciation | 08/08/1969 | 08/08/1970 |
| POLAND | Signature | 05/07/1930 | |
| POLAND | Ratification | 06/09/1933 | |
| POLAND | Denunciation | 13/01/1970 | 13/01/1971 |
| PORTUGAL | Signature | 05/07/1930 | |
| PORTUGAL | Ratification | 01/10/1932 | 01/01/1933 |
| ROUMANIA | Accession | 01/01/1933 | 01/04/1933 |
| SENEGAL | Succession | 28/02/1956 | 28/02/1956 |
| SIAM | Accession | 11/07/1933 | |
| SINGAPORE | Succession | 15/02/1967 | 02/03/1939 |
| SINGAPORE | Denunciation | 14/03/1974 | 14/03/1975 |
| SOUTH AFRICA | Accession | 24/02/1947 | 24/05/1947 |
| SOUTH AFRICA | Denunciation | 21/07/1969 | 21/07/1970 |
| Southern And Antarctic Territories | Extension | 28/02/1956 | 28/02/1956 |
| SOVIET UNION | Signature | 05/07/1930 | |
| SOVIET UNION | Ratification | 01/10/1932 | 01/01/1933 |
| SPAIN | Signature | 05/07/1930 | |
| SPAIN | Ratification | 01/10/1932 | 01/01/1933 |
| SPAIN | Denunciation | 01/10/1969 | 01/10/1970 |
| St Pierre and Miquelon | Extension | 28/02/1956 | 28/02/1956 |
| Straits Settlements | Extension | 02/01/1939 | |
| Straits Settlements | Denunciation | 10/07/1969 | 21/07/1970 |
| SWEDEN | Signature | 05/07/1930 | |
| SWEDEN | Ratification | 01/10/1932 | 01/01/1933 |
| SWEDEN | Denunciation | 08/06/1977 | 08/06/1978 |
| SWITZERLAND | Accession | 19/05/1954 | 19/08/1954 |
| SWITZERLAND | Denunciation | 22/08/1969 | 22/08/1970 |
| TURKEY | Accession | 20/05/1955 | 20/08/1955 |
| TURKEY | Denunciation | 21/07/1969 | 21/07/1970 |
| UNITED ARAB REPUBLIC | Accession | 24/07/1936 | 24/10/1936 |
| UNITED ARAB REPUBLIC | Denunciation | 28/07/1969 | 28/07/1970 |
| UNITED KINGDOM | Signature | 05/07/1930 | |
| UNITED KINGDOM | Ratification | 01/10/1932 | |
| UNITED KINGDOM | Declaration | 01/07/1938 | |
| UNITED KINGDOM | Declaration | 02/01/1939 | |
| UNITED KINGDOM | Denunciation | 10/07/1969 | 21/07/1970 |
| UNITED STATES OF AMERICA | Signature | 05/07/1930 | |
| UNITED STATES OF AMERICA | Ratification | 10/06/1931 | 01/01/1933 |
| UNITED STATES OF AMERICA | Denunciation | 29/07/1969 | 29/07/1970 |
| URUGUAY | Accession | 08/02/1939 | 08/05/1939 |
| VENEZUELA | Accession | 30/12/1954 | 30/03/1955 |
| VENEZUELA | Declaration | 15/07/1963 | |
| VIETNAM | Succession | 01/01/1905 | 15/01/1939 |
| Wallis And Futuna Islands | Signature | 28/02/1956 | 28/02/1956 |
| Western Samoa | Extension | 01/10/1932 | |
| YUGOSLAVIA | Accession | 26/02/1934 | 26/05/1934 |