| 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 | 10-05-1950 (S) | 10-05-1950 | ||||
| Canada | 10-05-1950 (S) | 10-05-1950 | ||||
| Cuba | 24-10-1951 (A) | 24-10-1951 | ||||
| Denmark | 23-10-1950 (S) | 23-10-1950 | ||||
| Haïti | 24-10-1951 (A) | 24-10-1951 | ||||
| Honduras | 06-10-1951 (A) | 06-10-1951 | ||||
| Luxembourg | 07-09-1950 (S) | 07-09-1950 | ||||
| Netherlands, the Kingdom of the | 10-05-1950 (S) | 10-05-1950 | ||||
| Nicaragua | 23-10-1951 (A) | 23-10-1951 | ||||
| United States of America | 10-05-1950 |