| 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 |
|---|---|---|---|---|---|---|
| Austria | 15-04-1958 | 05-09-1960 (R) | 01-01-1962 | |||
| Belgium | 11-07-1958 | 15-09-1961 (R) | 01-01-1962 | |||
| China | ||||||
| Czech Republic | 28-01-1993 (Su) | 01-01-1993 | ||||
| Czechoslovakia (<01-01-1993) | 24-09-1970 (A) | 23-11-1970 | ||||
| Denmark | 12-08-1965 | 02-11-1965 (R) | 01-01-1966 | |||
| Finland | 10-02-1966 | 26-06-1967 (R) | 24-08-1967 | |||
| France | 06-01-1965 | 26-05-1966 (R) | 25-07-1966 | |||
| Germany | 08-10-1958 | 02-11-1961 (R) | 01-01-1962 | |||
| Greece | 15-04-1958 | |||||
| Hungary | 20-10-1964 (A) | 19-12-1964 | ||||
| Italy | 08-10-1958 | 22-02-1961 (R) | 01-01-1962 | |||
| Liechtenstein | 02-06-1972 (A) | 01-08-1972 | ||||
| Luxembourg | 14-03-1962 | |||||
| Netherlands, the Kingdom of the | 25-05-1959 | 28-02-1964 (R) | 29-04-1964 | |||
| Norway | 19-05-1958 | 02-09-1965 (R) | 01-11-1965 | |||
| Portugal | 09-09-1971 | 27-12-1973 (R) | 24-02-1974 | |||
| Slovakia | 26-04-1993 (Su) | 01-01-1993 | ||||
| Spain | 18-01-1973 | 11-09-1973 (R) | 09-11-1973 | |||
| Suriname | 11-11-1976 (Su) | 25-11-1975 | ||||
| Sweden | 10-12-1965 | 31-12-1965 (R) | 01-03-1966 | |||
| Switzerland | 04-07-1963 | 18-11-1964 (R) | 17-01-1965 | |||
| Türkiye | 11-06-1968 | 27-04-1973 (R) | 25-06-1973 |