Country	Action	Action Date	Effective Date
AUSTRIA	Accession	27/10/1920
BELGIUM	Accession	14/03/1921
BRAZIL	Accession	09/10/1920
Ceylon	Extension	25/11/1920
CZECHOSLOVAKIA	Signature	30/06/1920
CZECHOSLOVAKIA	Ratification	01/11/1920
DANZIG	Accession	21/11/1921
DENMARK	Accession	22/01/1921
FRANCE	Signature	30/06/1920
FRANCE	Declaration	10/07/1920
FRANCE	Ratification	30/09/1920
GERMANY	Signature	30/06/1920
GERMANY	Ratification	30/09/1920
HUNGARY	Accession	26/03/1921
JAPAN	Accession	17/11/1920
Morocco	Extension	10/07/1920
NETHERLANDS THE	Ratification	24/03/1921
NETHERLANDS THE	Signature	30/06/1921
New Zealand	Extension	25/01/1921
NORWAY	Accession	27/11/1920
POLAND	Signature	30/06/1920
POLAND	Ratification	30/09/1920
PORTUGAL	Signature	30/06/1920
PORTUGAL	Ratification	07/03/1922
ROMANIA	Accession	06/10/1920
SPAIN	Accession	06/10/1920
SWEDEN	Signature	30/06/1920
SWEDEN	Declaration	30/06/1920
SWEDEN	Ratification	30/09/1920
SWITZERLAND	Signature	30/06/1920
SWITZERLAND	Ratification	30/09/1920
Trinidad	Extension	25/11/1920
TUNIS	Signature	30/06/1920
TUNIS	Ratification	30/09/1920
UNITED KINGDOM	Accession	31/08/1920
UNITED KINGDOM	Declaration	31/08/1920
UNITED KINGDOM	Declaration	25/11/1920
UNITED KINGDOM	Declaration	25/01/1921
YUGOSLAVIA	Accession	26/02/1921