| Party | Signature | Provisional application |
RatificationS=Signature without reservation or requirement of ratification R=Ratification, Acceptance, Approval or Notification A=Accession Su=Succession NK=Not Known | Entry into force | Renunciation | Termination |
|---|---|---|---|---|---|---|
| Afghanistan | 23-11-1929 (A) | 23-11-1929 | ||||
| Albania | 29-04-1930 (A) | 29-04-1930 | ||||
| Argentina | 06-05-1927 (A) | 06-05-1927 | ||||
| Australia | 09-02-1920 | 31-05-1923 (R) | 14-08-1925 | |||
| Austria | 13-01-1930 (A) | 13-01-1930 | ||||
| Belgium | 27-05-1925 (A) | 14-08-1925 | ||||
| Bulgaria | 20-10-1925 (A) | 20-10-1925 | ||||
| Canada | 09-02-1920 | 31-05-1923 (R) | 14-08-1925 | |||
| Chile | 17-12-1928 (A) | 17-12-1928 | ||||
| China | 01-07-1925 (A) | 14-08-1925 | ||||
| Czech Republic | 20-06-2006 (Su) | 01-01-1993 | ||||
| Czechoslovakia (<01-01-1993) | 09-07-1930 (A) | 09-07-1930 | ||||
| Democratic People's Republic of Korea | 16-03-2016 (A) | 16-03-2016 | ||||
| Denmark | 09-02-1920 | 24-12-1923 (R) | 14-08-1925 | |||
| Dominican Republic | 03-02-1927 (A) | 03-02-1927 | ||||
| Egypt | 13-09-1925 (A) | 13-09-1925 | ||||
| Estonia | 07-04-1930 (A) | 07-04-1930 | ||||
| Finland | 12-08-1925 (A) | 14-08-1925 | ||||
| France | 09-02-1920 | 06-09-1924 (R) | 14-08-1925 | |||
| Germany | 16-11-1925 (A) | 16-11-1925 | ||||
| Greece | 21-10-1925 (A) | 21-10-1925 | ||||
| Hungary | 29-10-1927 (A) | 29-10-1927 | ||||
| Iceland | 06-05-1994 (A) | 06-05-1994 | ||||
| India | 09-02-1920 | 31-05-1923 (R) | 14-08-1925 | |||
| Ireland | 15-04-1976 (A) | 15-04-1976 | ||||
| Italy | 09-02-1920 | 19-06-1924 (R) | 14-08-1925 | |||
| Japan | 09-02-1920 | 16-12-1924 (R) | 14-08-1925 | |||
| Latvia | 13-06-2016 (A) | 13-06-2016 | ||||
| Lithuania | 21-12-2012 (A) | 21-12-2012 | ||||
| Monaco | 22-06-1925 (A) | 14-08-1925 | ||||
| Netherlands, the Kingdom of the | 09-02-1920 | 30-07-1920 (R) | 14-08-1925 | |||
| New Zealand | 09-02-1920 | 31-05-1923 (R) | 14-08-1925 | |||
| Norway | 09-02-1920 | 08-08-1924 (R) | 14-08-1925 | |||
| Poland | 02-09-1931 (A) | 02-09-1931 | ||||
| Portugal | 24-10-1927 (A) | 24-10-1927 | ||||
| Republic of Korea, the | 07-09-2012 (A) | 07-09-2012 | ||||
| Romania | 10-07-1925 (A) | 14-08-1925 | ||||
| Russian Federation | 07-06-1935 (A) | 07-06-1935 | ||||
| Saudi Arabia | 02-09-1925 (A) | 02-09-1925 | ||||
| Slovakia | 21-02-2017 (Su) | 01-01-1993 | ||||
| South Africa | 09-02-1920 | 31-05-1923 (R) | 14-08-1925 | |||
| Spain | 12-11-1925 (A) | 12-11-1925 | ||||
| Sweden | 09-02-1920 | 27-06-1924 (R) | 14-08-1925 | |||
| Switzerland | 30-06-1925 (A) | 14-08-1925 | ||||
| Türkiye | 11-04-2024 (A) | 11-04-2024 | ||||
| United Kingdom | 09-02-1920 | 31-05-1923 (R) | 14-08-1925 | |||
| United States of America | 09-02-1920 | 04-03-1924 (R) | 14-08-1925 | |||
| Venezuela | 08-02-1928 (A) | 08-02-1928 | ||||
| Yugoslavia (< 25-06-1991) | 06-07-1925 (A) | 14-08-1925 |
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