| 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 | 05-03-1956 (S) | 05-07-1956 | ||||
| Canada | 05-07-1956 (S) | 05-07-1956 | ||||
| Denmark | 19-01-1956 (S) | 05-07-1956 | ||||
| Finland | 17-02-1972 (R) | 17-02-1972 | ||||
| France | 06-01-1956 (S) | 05-07-1956 | ||||
| Germany | 09-07-1958 (R) | 09-07-1958 | ||||
| Greece | 23-02-1956 (S) | 05-07-1956 | ||||
| Israel | 14-03-1968 (R) | 14-03-1968 | 14-04-1992 | 01-09-1993 | ||
| Italy | 16-03-1956 (S) | 05-07-1956 | ||||
| Japan | 18-11-1959 (A) | 18-11-1959 | ||||
| Liberia | 23-04-1958 (R) | 23-04-1958 | 13-02-1990 | 01-09-1990 | ||
| Netherlands, the Kingdom of the | 17-02-1956 (S) | 05-07-1956 | 12-12-2003 | 01-09-2004 | ||
| Norway | 10-01-1956 (S) | 05-07-1956 | ||||
| Panama | 31-08-1959 (R) | 31-08-1959 | ||||
| Poland | 22-04-1975 (R) | 22-04-1975 | ||||
| Spain | 03-02-1958 (R) | 03-02-1958 | ||||
| Sweden | 18-01-1956 (S) | 05-07-1956 | ||||
| United Kingdom | 09-02-1956 (S) | 05-07-1956 | ||||
| United States of America | 04-01-1956 (S) | 05-07-1956 | ||||
| Yugoslavia (< 25-06-1991) | 14-02-1958 (R) | 14-02-1958 |