| 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 |
|---|---|---|---|---|---|---|
| France | 12-06-1973 | 17-05-1976 (R) | ||||
| Germany | 09-11-1981 (A) | |||||
| Hungary | 12-06-1973 | |||||
| Liechtenstein | 20-12-1973 | |||||
| Luxembourg | 12-06-1973 | |||||
| Netherlands, the Kingdom of the | 12-06-1973 | |||||
| San Marino | 12-06-1973 | |||||
| Switzerland | 12-06-1973 |