| 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 | 22-04-1955 (A) | 06-05-1955 | ||||
| Canada | 03-05-1955 (A) | 06-05-1955 | ||||
| Denmark | 04-05-1955 (A) | 06-05-1955 | ||||
| France | 23-10-1954 | 05-05-1955 (R) | 06-05-1955 | |||
| Germany | 23-10-1954 | 20-04-1955 (R) | 06-05-1955 | |||
| Luxembourg | 04-05-1955 (A) | 06-05-1955 | ||||
| Netherlands, the Kingdom of the | 30-04-1955 (A) | 06-05-1955 | ||||
| United Kingdom | 23-10-1954 | 05-05-1955 (R) | 06-05-1955 | |||
| United States of America | 23-10-1954 | 20-04-1955 (R) | 06-05-1955 |