| 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 | 03-03-1959 | |||||
| Luxembourg | 03-03-1959 | |||||
| Netherlands, the Kingdom of the | 03-03-1959 | |||||
| Poland | 03-03-1959 |