Contracting Parties/Signatories | Signature | Instrument | In Force | Details |
---|---|---|---|---|
Albania | April 20, 1921 | Ratification : October 8, 1921 | October 31, 1922 | |
Antigua and Barbuda | Declaration/Notification of Succession : October 25, 1988 | November 1, 1981 | ||
Armenia | Accession : May 24, 2013 | August 21, 2013 | ||
Austria | April 20, 1921 | Ratification : November 15, 1923 | February 13, 1924 | |
Belgium | April 20, 1921 | Ratification : May 16, 1927 | August 14, 1927 | |
Bolivia (Plurinational State of) | April 20, 1921 | |||
Bosnia and Herzegovina | Declaration/Notification of Succession : September 1, 1993 | March 6, 1992 | ||
Bulgaria | April 20, 1921 | Ratification : June 11, 1922 | October 31, 1922 | |
Cambodia | Declaration/Notification of Succession : April 12, 1971 | November 9, 1953 | ||
Chile | April 20, 1921 | Ratification : March 19, 1928 | June 17, 1928 | |
China | April 20, 1921 | Details | ||
Croatia | Declaration/Notification of Succession : August 3, 1992 | October 8, 1991 | ||
Czech Republic | Declaration/Notification of Succession : February 9, 1996 | January 1, 1993 | ||
Denmark | April 20, 1921 | Ratification : November 13, 1922 | February 11, 1923 | |
Estonia | April 20, 1921 | Ratification : June 6, 1925 | September 4, 1925 | |
Eswatini | Accession : November 24, 1969 | February 22, 1970 | ||
Fiji | Declaration/Notification of Succession : March 15, 1972 | October 10, 1970 | ||
Finland | April 20, 1921 | Ratification : January 29, 1923 | April 29, 1923 | |
France | April 20, 1921 | Ratification : September 19, 1924 | December 18, 1924 | |
Georgia | Accession : June 2, 1999 | August 31, 1999 | ||
Germany | Accession : April 9, 1924 | July 7, 1924 | ||
Greece | April 20, 1921 | Ratification : February 18, 1924 | May 18, 1924 | |
Guatemala | April 20, 1921 | |||
Hungary | Accession : May 18, 1928 | August 16, 1928 | ||
India | April 20, 1921 | Ratification : August 2, 1922 | October 31, 1922 | |
Iran (Islamic Republic of) | April 20, 1921 | Ratification : January 29, 1931 | April 29, 1931 | |
Iraq | Accession : March 1, 1930 | May 30, 1930 | ||
Italy | April 20, 1921 | Ratification : August 5, 1922 | November 3, 1922 | |
Japan | April 20, 1921 | Ratification : February 20, 1924 | May 20, 1924 | |
Lao People's Democratic Republic | Declaration/Notification of Succession : November 24, 1956 | October 22, 1953 | ||
Latvia | April 20, 1921 | Ratification : September 29, 1923 | December 28, 1923 | |
Lebanon | Accession : February 7, 1929 | May 8, 1929 | ||
Lesotho | Declaration/Notification of Succession : October 23, 1973 | October 4, 1966 | ||
Liberia | Accession : September 16, 2005 | December 15, 2005 | ||
Lithuania | April 20, 1921 | |||
Luxembourg | April 20, 1921 | Ratification : March 19, 1930 | June 17, 1930 | |
Malawi | Details | |||
Malta | Declaration/Notification of Succession : May 13, 1966 | September 21, 1964 | ||
Mauritius | Declaration/Notification of Succession : July 18, 1969 | March 12, 1968 | ||
Nepal | Accession : August 22, 1966 | November 20, 1966 | ||
Netherlands (Kingdom of the) | April 20, 1921 | Ratification : April 17, 1924 | July 16, 1924 | Details |
New Zealand | April 20, 1921 | Ratification : August 2, 1922 | October 31, 1922 | |
Nigeria | Accession : November 3, 1967 | February 1, 1968 | ||
Norway | April 20, 1921 | Ratification : September 4, 1923 | December 3, 1923 | |
Panama | April 20, 1921 | |||
Poland | April 20, 1921 | Ratification : October 8, 1924 | January 6, 1925 | |
Portugal | April 20, 1921 | |||
Romania | April 20, 1921 | Ratification : September 5, 1923 | December 4, 1923 | |
Rwanda | Declaration/Notification of Succession : February 10, 1965 | July 1, 1962 | ||
Saint Vincent and the Grenadines | Declaration/Notification of Succession : September 5, 2001 | October 27, 1979 | ||
Serbia | Ratification : May 7, 1930 | August 5, 1930 | ||
Slovakia | Declaration/Notification of Succession : May 28, 1993 | January 1, 1993 | ||
Slovenia | Declaration/Notification of Succession : July 6, 1992 | June 25, 1991 | ||
Spain | April 20, 1921 | Ratification : December 17, 1929 | March 17, 1930 | |
Sweden | April 20, 1921 | Ratification : January 19, 1925 | April 19, 1925 | |
Switzerland | April 20, 1921 | Ratification : July 14, 1924 | October 12, 1924 | |
Syrian Arab Republic | Accession : February 7, 1929 | May 8, 1929 | ||
Thailand | Accession : November 29, 1922 | February 27, 1923 | ||
Türkiye | Ratification : June 27, 1933 | September 25, 1933 | ||
United Kingdom | April 20, 1921 | Ratification : August 2, 1922 | October 31, 1922 | Details |
Uruguay | April 20, 1921 | |||
Zimbabwe | Declaration/Notification of Succession : December 1, 1998 | April 18, 1980 |