Country	Action	Action Date	Effective Date
ABYSSINIA	Signature	12/07/1926
ABYSSINIA	Ratification	16/07/1926
ABYSSINIA	Signature	15/04/1932
ABYSSINIA	Signature	18/09/1934
ALBANIA	Signature	17/09/1930
ALBANIA	Ratification	17/09/1930
ALBANIA	Signature	07/11/1935
ARGENTINE REPUBLIC	Signature	28/12/1935
Australia	Signature	20/09/1929
Australia	Ratification	18/08/1930
Australia	Declaration	07/09/1939
Australia	Termination	21/08/1940
Australia	Signature	21/08/1940
AUSTRIA	Signature	14/03/1922
AUSTRIA	Ratification	14/03/1922
AUSTRIA	Signature	12/01/1927
AUSTRIA	Ratification	13/03/1927
AUSTRIA	Signature	22/03/1937
AUSTRIA	Ratification	30/06/1937
BELGIUM	Signature	25/09/1925
BELGIUM	Ratification	10/03/1926
BOLIVIA	Signature	07/07/1936
BOLIVIA	Ratification	07/07/1936
BRAZIL	Signature	16/12/1920
BRAZIL	Ratification	01/11/1921
BRAZIL	Signature	26/01/1937
BRAZIL	Ratification	26/01/1937
BULGARIA	Signature	11/04/1921
BULGARIA	Ratification	12/08/1921
Canada	Signature	20/09/1929
Canada	Ratification	28/07/1930
Canada	Declaration	07/12/1939
CHINA	Ratification	13/05/1922
COLOMBIA	Signature	06/01/1932
COLOMBIA	Signature	30/10/1937
COLOMBIA	Ratification	30/10/1937
COSTA RICA	Signature	16/12/1920
CZECHOSLOVAKIA	Signature	19/09/1929
DENMARK	Signature	16/12/1920
DENMARK	Ratification	13/06/1921
DENMARK	Signature	11/12/1925
DENMARK	Ratification	28/03/1926
DENMARK	Signature	04/06/1936
DENMARK	Ratification	24/05/1937
DOMINICAN REPUBLIC	Signature	30/09/1924
DOMINICAN REPUBLIC	Ratification	04/02/1933
EGYPT	Signature	30/05/1939
ESTONIA	Ratification	02/05/1923
FINLAND	Signature	28/06/1921
FINLAND	Ratification	06/04/1922
FINLAND	Signature	03/03/1927
FINLAND	Signature	09/04/1937
FRANCE	Signature	02/10/1924
FRANCE	Signature	19/09/1929
FRANCE	Ratification	25/04/1931
FRANCE	Signature	11/04/1936
FRANCE	Declaration	10/09/1939
GERMANY	Signature	23/09/1927
GERMANY	Ratification	29/02/1928
GERMANY	Signature	09/02/1933
GERMANY	Ratification	05/07/1933
GREECE	Signature	12/09/1929
GREECE	Signature	12/09/1934
GREECE	Ratification	19/07/1935
GREECE	Signature	08/09/1939
GREECE	Ratification	20/02/1940
GUATEMALA	Signature	17/12/1926
HAITI	Signature	04/10/1921
HUNGARY	Signature	14/09/1928
HUNGARY	Ratification	13/08/1929
HUNGARY	Signature	30/05/1934
HUNGARY	Ratification	09/08/1934
HUNGARY	Signature	12/07/1939
HUNGARY	Ratification	13/08/1939
India	Signature	19/09/1929
India	Ratification	05/02/1930
India	Declaration	27/09/1939
India	Termination	28/02/1940
India	Signature	28/02/1940
IRAN	Signature	02/10/1930
IRAN	Ratification	19/09/1932
IRAN	Withdrawal	09/07/1951
IRAQ	Signature	22/09/1938
Irish Free State	Signature	14/09/1929
Irish Free State	Ratification	11/07/1930
ITALY	Signature	09/09/1929
ITALY	Ratification	07/09/1931
LATVIA	Signature	11/09/1923
LATVIA	Signature	10/09/1929
LATVIA	Ratification	26/02/1930
LATVIA	Signature	31/01/1935
LATVIA	Ratification	26/02/1935
LIBERIA	Signature	24/07/1921
LIECHTENSTEIN	Signature	29/03/1939
LITHUANIA	Signature	05/10/1921
LITHUANIA	Ratification	16/05/1922
LITHUANIA	Signature	14/01/1930
LITHUANIA	Signature	14/01/1935
LUXEMBOURG	Signature	31/01/1921
LUXEMBOURG	Signature	15/09/1930
MONACO	Signature	22/04/1937
MONACO	Ratification	22/04/1937
NETHERLANDS THE	Signature	16/12/1920
NETHERLANDS THE	Ratification	06/08/1921
NETHERLANDS THE	Signature	02/09/1926
NETHERLANDS THE	Signature	05/08/1936
New Zealand	Signature	19/09/1929
New Zealand	Ratification	29/03/1930
New Zealand	Declaration	07/09/1939
New Zealand	Termination	30/03/1940
New Zealand	Signature	01/04/1940
NICARAGUA	Signature	24/09/1929
NORWAY	Signature	06/09/1921
NORWAY	Ratification	03/10/1921
NORWAY	Signature	22/09/1926
NORWAY	Signature	29/05/1936
PANAMA	Signature	16/12/1920
PANAMA	Ratification	14/06/1929
PARAGUAY	Ratification	11/05/1933
PERU	Signature	19/09/1929
PERU	Ratification	29/03/1932
POLAND	Signature	24/01/1931
PORTUGAL	Signature	16/12/1920
PORTUGAL	Ratification	08/10/1921
ROUMANIA	Signature	08/10/1930
ROUMANIA	Ratification	09/06/1931
ROUMANIA	Signature	04/06/1936
SALVADOR	Signature	16/12/1920
SALVADOR	Ratification	29/08/1930
South Africa	Signature	19/09/1929
South Africa	Ratification	07/04/1930
South Africa	Declaration	18/09/1939
South Africa	Signature	07/04/1940
South Africa	Termination	07/04/1940
South Africa	Withdrawn	13/09/1955
South Africa	Declaration	13/09/1955
SPAIN	Signature	21/09/1928
SWEDEN	Signature	16/08/1921
SWEDEN	Signature	18/03/1926
SWEDEN	Statement	16/04/1936
SWITZERLAND	Signature	16/12/1920
SWITZERLAND	Ratification	26/07/1921
SWITZERLAND	Signature	01/03/1926
SWITZERLAND	Ratification	24/07/1926
SWITZERLAND	Signature	23/09/1936
SWITZERLAND	Ratification	17/04/1937
THAILAND	Signature	20/09/1929
THAILAND	Ratification	07/05/1930
THAILAND	Signature	03/05/1940
TURKEY	Signature	12/03/1936
UNITED KINGDOM	Signature	19/09/1929
UNITED KINGDOM	Ratification	05/02/1930
UNITED KINGDOM	Signature	28/02/1940
URUGUAY	Signature	16/12/1920
URUGUAY	Ratification	27/09/1921
YUGOSLAVIA	Signature	16/05/1930
YUGOSLAVIA	Ratification	24/11/1930