| 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 | 15-02-1965 (S) | 01-04-1965 | ||||
| Belgium | 15-02-1965 (S) | 01-04-1965 | ||||
| Luxembourg | 15-02-1965 (S) | 01-04-1965 | ||||
| Netherlands, the Kingdom of the | 15-02-1965 (S) | 01-04-1965 |