| 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 | 20-12-1957 | 30-10-1959 (R) | 30-10-1959 | |||
| Belgium | 20-12-1957 | 22-07-1959 (R) | 22-07-1959 | |||
| Denmark | 20-12-1957 | 23-05-1959 (R) | 22-07-1959 | |||
| France | 20-12-1957 | 23-02-1959 (R) | 22-07-1959 | |||
| Germany | 20-12-1957 | 22-07-1959 (R) | 22-07-1959 | |||
| Greece | 20-12-1957 | |||||
| Iceland | 20-12-1957 | |||||
| Ireland | 20-12-1957 | 02-12-1958 (R) | 22-07-1959 | |||
| Italy | 20-12-1957 | 03-04-1963 (R) | 03-04-1963 | |||
| Luxembourg | 20-12-1957 | 19-05-1961 (R) | 19-05-1961 | |||
| Netherlands, the Kingdom of the | 20-12-1957 | 09-07-1959 (R) | 22-07-1959 | |||
| Norway | 20-12-1957 | 12-02-1959 (R) | 22-07-1959 | |||
| Portugal | 20-12-1957 | 26-09-1959 (R) | 26-09-1959 | |||
| Sweden | 20-12-1957 | 05-01-1960 (R) | 05-01-1960 | |||
| Switzerland | 20-12-1957 | 21-01-1959 (R) | 22-07-1959 | |||
| Türkiye | 20-12-1957 | 20-07-1959 (R) | 22-07-1959 | |||
| United Kingdom | 20-12-1957 | 10-05-1958 (R) | 22-07-1959 |