| 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 | 03-07-1953 (A) | 08-07-1953 | 29-10-1956 | |||
| France | 10-11-1952 (S) | 08-07-1953 | 29-10-1956 | |||
| Italy | 10-11-1952 (S) | 08-07-1953 | 29-10-1956 | |||
| Netherlands, the Kingdom of the | 23-06-1953 (A) | 08-07-1953 | 16-01-1958 | |||
| Portugal | 18-03-1953 (A) | 08-07-1953 | 29-10-1956 | |||
| Spain | 10-11-1952 (S) | 08-07-1953 | 29-10-1956 | |||
| Sweden | 27-04-1953 (A) | 08-07-1953 | 05-12-1956 | |||
| United Kingdom | 10-11-1952 (S) | 08-07-1953 | 29-10-1956 | |||
| United States of America | 08-07-1953 (A) | 08-07-1953 | 29-10-1956 |