Country	Action	Action Date	Effective Date
AUSTRALIA	Signature	10/09/1919
BELGIUM	Signature	10/09/1919
BOLIVIA	Signature	10/09/1919
BRAZIL	Accession	22/12/1919
BRAZIL	Ratification	27/04/1922
BULGARIA	Accession	13/09/1921
CANADA	Signature	10/09/1919
CHILE	Accession	05/08/1920
CHINA	Signature	10/09/1909
CHINA	Ratification	02/10/1920
CUBA	Signature	10/09/1919
CZECHOSLOVAKIA	Signature	09/10/1919
ECUADOR	Signature	10/09/1919
ESTONIA	Accession	17/10/1923
FINLAND	Accession	30/06/1921
FRANCE	Signature	10/09/1919
GREECE	Signature	10/09/1919
GREECE	Ratification	24/08/1920
GUATEMALA	Accession	22/01/1920
HAYTI	Accession	03/03/1920
HEJAZ	Signature	10/09/1919
INDIA	Signature	10/09/1919
ITALY	Signature	10/09/1919
JAPAN	Signature	10/09/1919
MUSCAT	Accession	09/06/1921
NEW ZEALAND	Signature	10/09/1919
NICARAGUA	Signature	10/09/1919
PANAMA	Signature	10/09/1919
PERSIA	Accession	27/03/1920
PERU	Accession	31/01/1920
POLAND	Signature	10/09/1919
PORTUGAL	Signature	10/09/1919
PORTUGAL	Ratification	17/07/1922
ROUMANIA	Signature	10/09/1919
ROUMANIA	Ratification	31/05/1924
SERB-CROAT-SLOVENE STATE	Signature	10/09/1919
SIAM	Signature	10/09/1919
SIAM	Ratification	30/03/1921
SOUTH AFRICA	Signature	10/09/1919
UNITED KINGDOM	Signature	10/09/1919
UNITED STATES OF AMERICA	Signature	10/09/1919
URUGUAY	Accession	05/02/1925
VENEZUELA	Accession	08/03/1920