| 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 | 15-12-1975 | |||||
| Denmark | 15-12-1975 | |||||
| France | 15-12-1975 | |||||
| Germany | 15-12-1975 | |||||
| Ireland | 15-12-1975 | |||||
| Italy | 15-12-1975 | |||||
| Luxembourg | 15-12-1975 | |||||
| Netherlands, the Kingdom of the | 15-12-1975 | |||||
| United Kingdom | 15-12-1975 |