Country	Action	Action Date	Effective Date
Algeria	Extension	21/04/1926
ARGENTINE REPUBLIC	Signature	21/04/1926
AUSTRALIA	Signature	21/06/1926
AUSTRIA	Signature	21/04/1926
Belgian Congo	Extension	21/04/1926
BELGIUM	Signature	21/04/1926
BRAZIL	Signature	21/04/1926
BULGARIA	Signature	21/04/1926
BURMA	Accession	23/07/1938
CANADA	Signature	21/04/1926
CHILE	Signature	21/04/1926
Cyrenaica	Extension	21/04/1926
CZECHOSLOVAKIA	Signature	21/04/1926
DENMARK	Signature	21/04/1926
East Indies	Extension	21/04/1926
ECUADOR	Signature	21/04/1926
EGYPT	Signature	21/04/1926
Eritrea	Extension	21/04/1926
ESTONIA	Signature	21/04/1926
FINLAND	Signature	21/04/1926
FRANCE	Signature	21/04/1926
French Indo-china	Extension	21/04/1926
French West Africa	Extension	21/04/1926
GERMANY	Signature	21/04/1926
GREECE	Signature	21/04/1926
Hawaii	Extension	15/01/1936
HUNGARY	Signature	21/04/1926
INDIA	Signature	21/04/1926
INDIA	Declaration	21/04/1926
IRELAND, REPUBLIC OF	Signature	21/04/1926
ITALY	Signature	21/04/1926
ITALY	Declaration	03/04/1936
JAPAN	Signature	21/04/1926
LATVIA	Signature	21/04/1926
LITHUANIA	Signature	21/04/1926
LUXEMBOURG	Signature	21/04/1926
Madagascar	Extension	21/04/1926
MEXICO	Signature	21/04/1926
Morocco	Extension	21/04/1926
NETHERLANDS THE	Signature	21/04/1926
NEW ZEALAND	Signature	21/04/1926
NORWAY	Signature	21/04/1926
PERSIA	Signature	21/04/1926
PERU	Signature	21/04/1926
Philippines	Extension	15/01/1936
POLAND	Signature	21/04/1926
PORTUGAL	Signature	21/04/1926
Puerto Rico	Extension	15/01/1936
ROUMANIA	Signature	21/04/1926
ROUMANIA	Declaration	21/04/1926
Somaliland	Extension	21/04/1926
SOUTH AFRICA	Signature	21/04/1926
SOVIET UNION	Accession	04/04/1936
SOVIET UNION	Withdrawal	12/02/1938
SPAIN	Signature	21/04/1926
SWEDEN	Signature	21/04/1926
SWITZERLAND	Signature	21/04/1926
Tripoli	Extension	21/04/1926
UNITED KINGDOM	Signature	21/04/1926
UNITED STATES OF AMERICA	Accession	15/01/1936
Virgin Islands	Extension	15/01/1936