| 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 | 16-05-1952 | 13-04-1953 (R) | 28-01-1954 | |||
| France | 16-05-1952 | 20-10-1952 (R) | 28-01-1954 | |||
| Germany | 16-05-1952 | 01-12-1953 (R) | 28-01-1954 | |||
| Netherlands, the Kingdom of the | 16-05-1952 | 29-12-1953 (R) | 28-01-1954 | |||
| Switzerland | 16-05-1952 | 06-09-1952 (R) | 28-01-1954 |