| 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 |
|---|---|---|---|---|---|---|
| Australia | 27-11-1947 (A) | |||||
| Austria | 15-12-1926 (R) | 15-12-1926 | ||||
| Belarus | 13-01-2020 (A) | 13-01-2020 | ||||
| Belgium | 28-07-1923 (R) | 28-07-1923 | ||||
| Brazil | 14-04-1954 (A) | 14-04-1954 | ||||
| Bulgaria | 27-08-1925 (R) | 27-08-1925 | ||||
| Cameroon | 07-10-1970 (A) | 07-10-1970 | ||||
| Canada | 21-02-1923 (R) | 21-02-1923 | ||||
| China | 20-05-1977 (A) | 20-05-1977 | ||||
| Czech Republic | 13-01-1993 (A) | 13-01-1993 | ||||
| Czechoslovakia (<01-01-1993) | 21-06-1922 (A) | 21-06-1922 | ||||
| Democratic People's Republic of Korea | 07-05-1982 (A) | 07-05-1982 | ||||
| Denmark | 10-02-1923 (R) | 10-02-1923 | ||||
| Ecuador | 06-08-2019 (A) | 06-08-2019 | ||||
| Finland | 31-08-1923 (R) | 31-08-1923 | ||||
| France | 01-08-1928 (R) | 01-08-1928 | ||||
| Germany | 30-01-1928 (R) | 30-01-1928 | ||||
| Hungary | 14-08-1925 (R) | 14-08-1925 | ||||
| India | 11-01-1957 (A) | 11-01-1957 | ||||
| Indonesia | 30-09-1960 (A) | 30-09-1960 | ||||
| Iran | 25-02-1975 (A) | 25-02-1975 | ||||
| Ireland | 29-10-1925 (A) | 29-10-1925 | ||||
| Italy | 07-08-1924 (R) | 07-08-1924 | ||||
| Japan | 30-12-1926 (R) | 30-12-1926 | ||||
| Lithuania | 16-04-2015 (A) | 16-04-2015 | ||||
| Mexico | 15-04-1927 (R) | 15-04-1927 | ||||
| Netherlands, the Kingdom of the | 01-01-1929 (A) | 01-01-1929 | ||||
| Norway | 03-08-1923 (R) | 03-08-1923 | ||||
| Pakistan | 12-07-1973 (A) | 12-07-1973 | ||||
| Peru | 26-07-1937 (R) | 26-07-1937 | ||||
| Poland | 12-05-1925 (A) | 12-05-1925 | ||||
| Portugal | 17-06-1926 (R) | 17-06-1926 | ||||
| Republic of Korea, the | 28-07-1959 (A) | 28-07-1959 | ||||
| Romania | 11-02-1926 (R) | 11-02-1926 | ||||
| Russian Federation | 12-08-1925 (A) | 12-08-1925 | ||||
| Singapore | 20-06-1994 (A) | 20-06-1994 | ||||
| Slovakia | 13-01-1993 (A) | 13-01-1993 | ||||
| South Africa | 31-07-1964 (A) | 31-07-1964 | ||||
| Spain | 31-12-1926 (R) | 31-12-1926 | ||||
| Sweden | 16-02-1923 (R) | 16-02-1923 | ||||
| Switzerland | 05-02-1923 (R) | 05-02-1923 | ||||
| Thailand | 25-11-1950 (R) | 25-11-1950 | ||||
| Ukraine | 07-08-2018 (A) | 07-08-2018 | ||||
| United Arab Emirates | 27-04-2015 (A) | 27-04-2015 | ||||
| United Kingdom | 12-02-1923 (R) | 12-02-1923 | ||||
| United States of America | 24-10-1923 (R) | 24-10-1923 | ||||
| Uruguay | 02-12-1925 (R) | 02-12-1925 | ||||
| Venezuela | 18-11-1960 (A) | 18-11-1960 | 14-11-2018 | |||
| Yugoslavia (< 25-06-1991) | 10-11-1929 (R) | 10-11-1929 |
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