| 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 |
|---|---|---|---|---|---|---|
| Austria/Hungary | 12-06-1902 | |||||
| Belgium | 12-06-1902 | 01-06-1904 (R) | 30-07-1904 | 30-10-1918 | 01-06-1919 | |
| France | 12-06-1902 | 01-06-1904 (R) | 30-07-1904 | 12-11-1913 | 01-06-1914 | |
| Germany | 12-06-1902 | 01-06-1904 (R) | 30-07-1904 | 27-11-1933 | 01-06-1934 | |
| Hungary | 12-06-1902 | 22-09-1911 (R) | 20-11-1911 | 12-11-1973 | 01-06-1974 | |
| Italy | 12-06-1902 | 17-07-1905 (R) | 14-09-1905 | 02-01-1990 | 01-06-1994 | |
| Luxembourg | 12-06-1902 | 01-06-1904 (R) | 30-07-1904 | 14-08-1974 | 01-06-1979 | |
| Netherlands, the Kingdom of the | 12-06-1902 | 01-06-1904 (R) | 30-07-1904 | 11-06-1968 | 01-06-1969 | |
| Poland | 25-06-1929 (A) | 30-08-1929 | 11-06-1969 | 01-06-1974 | ||
| Portugal | 12-06-1902 | 02-03-1907 (R) | 30-04-1907 | |||
| Romania | 12-06-1902 | 01-06-1904 (R) | 30-07-1904 | |||
| Spain | 12-06-1902 | |||||
| Sweden | 12-06-1902 | 01-06-1904 (R) | 30-07-1904 | 03-11-1933 | 01-06-1934 | |
| Switzerland | 12-06-1902 | 17-07-1905 (R) | 14-09-1905 | 28-11-1928 | 01-06-1929 |