| 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 |
|---|---|---|---|---|---|---|
| Belgium | 29-03-1923 | 08-09-1923 | ||||
| France | 29-03-1923 | 08-09-1923 | ||||
| Italy | 29-03-1923 | 08-09-1923 | ||||
| Netherlands, the Kingdom of the | 29-03-1923 | 07-09-1923 (R) | 08-09-1923 | |||
| United Kingdom | 29-03-1923 | 08-09-1923 |