| 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 |
|---|---|---|---|---|---|---|
| Afghanistan | 19-12-1977 (A) | 19-03-1978 | ||||
| Algeria | 31-10-1963 (A) | 29-01-1964 | ||||
| Austria | 18-05-1956 | 13-11-1957 (R) | 08-04-1959 | |||
| Azerbaijan | 08-05-2000 (A) | 06-08-2000 | ||||
| Belgium | 18-05-1956 | 18-02-1963 (R) | 19-05-1963 | |||
| Bosnia and Herzegovina | 12-01-1994 (Su) | 06-03-1992 | ||||
| Bulgaria | 07-10-1959 (A) | 05-01-1960 | ||||
| Cambodia | 08-04-1959 (A) | 07-07-1959 | ||||
| Croatia | 31-08-1994 (Su) | 08-10-1991 | ||||
| Cuba | 16-09-1965 (A) | 15-12-1965 | ||||
| Cyprus | 02-02-1983 (Su) | 16-08-1960 | ||||
| Denmark | 08-01-1959 (A) | 08-04-1959 | ||||
| EU (European Union) | 01-02-1996 (A) | 01-05-1996 | ||||
| Finland | 23-05-1967 (A) | 21-08-1967 | ||||
| France | 18-05-1956 | 20-05-1959 (R) | 18-08-1959 | |||
| Germany | 18-05-1956 | 23-10-1961 (R) | 21-01-1962 | |||
| Greece | 12-09-1961 (A) | 11-12-1961 | ||||
| Hungary | 18-05-1956 | 23-07-1957 (R) | 08-04-1959 | |||
| Ireland | 26-07-1967 (A) | 24-10-1967 | ||||
| Italy | 18-05-1956 | 29-03-1962 (R) | 27-06-1962 | |||
| Kyrgyzstan | 02-04-1998 (A) | 01-07-1998 | ||||
| Lithuania | 03-01-2003 (A) | 03-04-2003 | ||||
| Luxembourg | 18-05-1956 | 28-01-1964 (R) | 27-04-1964 | |||
| Montenegro | 23-10-2006 (Su) | 03-06-2006 | ||||
| Netherlands, the Kingdom of the | 18-05-1956 | 27-07-1960 (R) | 25-10-1960 | |||
| North Macedonia | 20-12-1999 (Su) | 17-11-1991 | ||||
| Norway | 11-07-1966 (A) | 09-10-1966 | ||||
| Poland | 18-05-1956 | 06-05-1959 (R) | 04-08-1959 | |||
| Portugal | 08-05-1967 (A) | 06-08-1967 | ||||
| Romania | 07-01-1966 (A) | 07-04-1966 | ||||
| Saudi Arabia | 23-01-2003 (A) | 23-04-2003 | ||||
| Serbia | 12-03-2001 (Su) | 27-04-1992 | ||||
| Sierra Leone | 13-03-1962 (Su) | 27-04-1961 | ||||
| Singapore | 15-08-1966 (Su) | 09-08-1965 | ||||
| Slovenia | 03-11-1992 (Su) | 25-06-1991 | ||||
| Spain | 17-11-1958 (A) | 08-04-1959 | ||||
| Sweden | 18-05-1956 | 16-01-1958 (R) | 08-04-1959 | |||
| Switzerland | 18-05-1956 | 07-07-1960 (R) | 05-10-1960 | |||
| Türkiye | 10-05-2005 (A) | 08-08-2005 | ||||
| United Kingdom | 18-05-1956 | 30-07-1959 (R) | 28-10-1959 | |||
| Uzbekistan | 11-01-1999 (A) | 11-04-1999 | ||||
| Yugoslavia (< 25-06-1991) | 12-06-1961 (A) | 10-09-1961 |