General information
- Entry into force: 14-08-1925
Kingdom part
Netherlands (in Europe)
- Entry into force: 14-08-1925
Netherlands (Bonaire)
- Entry into force: 10-10-2010
Netherlands (Sint Eustatius)
- Entry into force: 10-10-2010
Netherlands (Saba)
- Entry into force: 10-10-2010
Aruba
- Entry into force: 01-01-1986
Curaçao
- Entry into force: 10-10-2010
Sint Maarten
- Entry into force: 10-10-2010
Party
Afghanistan
- Ratification: 23-11-1929 (A)
- Entry into force: 23-11-1929
Albania
- Ratification: 29-04-1930 (A)
- Entry into force: 29-04-1930
Argentina
- Ratification: 06-05-1927 (A)
- Entry into force: 06-05-1927
Australia
- Signature: 09-02-1920
- Ratification: 31-05-1923 (R)
- Entry into force: 14-08-1925
Austria
- Ratification: 13-01-1930 (A)
- Entry into force: 13-01-1930
Belgium
- Ratification: 27-05-1925 (A)
- Entry into force: 14-08-1925
Bulgaria
- Ratification: 20-10-1925 (A)
- Entry into force: 20-10-1925
Canada
- Signature: 09-02-1920
- Ratification: 31-05-1923 (R)
- Entry into force: 14-08-1925
Chile
- Ratification: 17-12-1928 (A)
- Entry into force: 17-12-1928
China
- Ratification: 01-07-1925 (A)
- Entry into force: 14-08-1925
Czech Republic
- Ratification: 20-06-2006 (Su)
- Entry into force: 01-01-1993
Czechoslovakia (<01-01-1993)
- Ratification: 09-07-1930 (A)
- Entry into force: 09-07-1930
Democratic People's Republic of Korea
- Ratification: 16-03-2016 (A)
- Entry into force: 16-03-2016
Denmark
- Signature: 09-02-1920
- Ratification: 24-12-1923 (R)
- Entry into force: 14-08-1925
- Faroes
Entry into force: 14-08-1925Greenland
Entry into force: 14-08-1925
Dominican Republic
- Ratification: 03-02-1927 (A)
- Entry into force: 03-02-1927
Egypt
- Ratification: 13-09-1925 (A)
- Entry into force: 13-09-1925
Estonia
- Ratification: 07-04-1930 (A)
- Entry into force: 07-04-1930
Finland
- Ratification: 12-08-1925 (A)
- Entry into force: 14-08-1925
France
- Signature: 09-02-1920
- Ratification: 06-09-1924 (R)
- Entry into force: 14-08-1925
Germany
- Ratification: 16-11-1925 (A)
- Entry into force: 16-11-1925
Greece
- Ratification: 21-10-1925 (A)
- Entry into force: 21-10-1925
Hungary
- Ratification: 29-10-1927 (A)
- Entry into force: 29-10-1927
Iceland
- Ratification: 06-05-1994 (A)
- Entry into force: 06-05-1994
India
- Signature: 09-02-1920
- Ratification: 31-05-1923 (R)
- Entry into force: 14-08-1925
Ireland
- Ratification: 15-04-1976 (A)
- Entry into force: 15-04-1976
Italy
- Signature: 09-02-1920
- Ratification: 19-06-1924 (R)
- Entry into force: 14-08-1925
Japan
- Signature: 09-02-1920
- Ratification: 16-12-1924 (R)
- Entry into force: 14-08-1925
Latvia
- Ratification: 13-06-2016 (A)
- Entry into force: 13-06-2016
Lithuania
- Ratification: 21-12-2012 (A)
- Entry into force: 21-12-2012
Monaco
- Ratification: 22-06-1925 (A)
- Entry into force: 14-08-1925
Netherlands, the Kingdom of the
- Signature: 09-02-1920
- Ratification: 30-07-1920 (R)
- Entry into force: 14-08-1925
New Zealand
- Signature: 09-02-1920
- Ratification: 31-05-1923 (R)
- Entry into force: 14-08-1925
Norway
- Signature: 09-02-1920
- Ratification: 08-08-1924 (R)
- Entry into force: 14-08-1925
Poland
- Ratification: 02-09-1931 (A)
- Entry into force: 02-09-1931
Portugal
- Ratification: 24-10-1927 (A)
- Entry into force: 24-10-1927
Republic of Korea, the
- Ratification: 07-09-2012 (A)
- Entry into force: 07-09-2012
Romania
- Ratification: 10-07-1925 (A)
- Entry into force: 14-08-1925
Russian Federation
- Ratification: 07-06-1935 (A)
- Entry into force: 07-06-1935
Saudi Arabia
- Ratification: 02-09-1925 (A)
- Entry into force: 02-09-1925
Slovakia
- Ratification: 21-02-2017 (Su)
- Entry into force: 01-01-1993
South Africa
- Signature: 09-02-1920
- Ratification: 31-05-1923 (R)
- Entry into force: 14-08-1925
Spain
- Ratification: 12-11-1925 (A)
- Entry into force: 12-11-1925
Sweden
- Signature: 09-02-1920
- Ratification: 27-06-1924 (R)
- Entry into force: 14-08-1925
Switzerland
- Ratification: 30-06-1925 (A)
- Entry into force: 14-08-1925
Türkiye
- Ratification: 11-04-2024 (A)
- Entry into force: 11-04-2024
United Kingdom
- Signature: 09-02-1920
- Ratification: 31-05-1923 (R)
- Entry into force: 14-08-1925
United States of America
- Signature: 09-02-1920
- Ratification: 04-03-1924 (R)
- Entry into force: 14-08-1925
Venezuela
- Ratification: 08-02-1928 (A)
- Entry into force: 08-02-1928
Yugoslavia (< 25-06-1991)
- Ratification: 06-07-1925 (A)
- Entry into force: 14-08-1925
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