| 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 | 14-09-1961 | 17-08-1967 (R) | 16-09-1967 | |||
| France | 14-09-1961 | 20-06-1962 (R) | 29-07-1963 | |||
| Germany | 14-09-1961 | 24-06-1965 (R) | 24-07-1965 | |||
| Greece | 14-09-1961 | 22-06-1979 (R) | 22-07-1979 | |||
| Italy | 14-09-1961 | 06-07-1981 (R) | 05-08-1981 | |||
| Netherlands, the Kingdom of the | 14-09-1961 | 29-06-1963 (R) | 29-07-1963 | |||
| Portugal | 04-06-1984 (A) | 04-07-1984 | ||||
| Spain | 06-07-1987 (A) | 05-08-1987 | ||||
| Switzerland | 14-09-1961 | 29-04-1964 (R) | 29-05-1964 | |||
| Türkiye | 14-09-1961 | 21-06-1965 (R) | 21-07-1965 |