| 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 |
|---|---|---|---|---|---|---|
| Albania | 22-04-2004 (A) | 22-04-2004 | ||||
| Armenia | 09-06-2006 (A) | 09-06-2006 | ||||
| Austria | 08-06-1956 (A) | 08-06-1956 | ||||
| Belgium | 10-01-1952 | 22-07-1953 (R) | 22-07-1953 | |||
| France | 10-01-1952 | 01-04-1953 (R) | 01-04-1953 | |||
| Italy | 10-01-1952 | 22-06-1955 (R) | 22-06-1955 | |||
| Luxembourg | 10-01-1952 | 26-01-1954 (R) | 26-01-1954 | |||
| Netherlands, the Kingdom of the | 10-01-1952 (S) | 01-04-1953 | ||||
| Norway | 10-01-1952 | 28-10-1952 (R) | 01-04-1953 | |||
| Portugal | 24-09-1956 (A) | 24-09-1956 | ||||
| Spain | 17-04-1962 (A) | 17-04-1962 | ||||
| Sweden | 10-01-1952 | |||||
| Switzerland | 10-01-1952 | 05-06-1957 (R) | 05-06-1957 |