| 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 | 10-11-1959 (A) | 10-11-1959 | ||||
| Belgium | 01-07-1953 | 19-07-1954 (R) | 29-09-1954 | |||
| Czechoslovakia (<01-01-1993) | 20-12-1991 (A) | 20-12-1991 | ||||
| Denmark | 23-12-1953 | 05-04-1954 (R) | 29-09-1954 | |||
| Finland | 28-12-1990 (A) | 28-12-1990 | ||||
| France | 01-07-1953 | 29-09-1954 (R) | 29-09-1954 | |||
| Germany | 01-07-1953 | 29-09-1954 (R) | 29-09-1954 | |||
| Greece | 01-07-1953 | 07-07-1954 (R) | 29-09-1954 | |||
| Hungary | 29-06-1992 (A) | 29-06-1992 | ||||
| Italy | 01-07-1953 | 24-02-1955 (R) | 24-02-1955 | |||
| Netherlands, the Kingdom of the | 01-07-1953 | 15-06-1954 (R) | 29-09-1954 | |||
| Norway | 31-12-1953 | 04-10-1954 (R) | 04-10-1954 | |||
| Poland | 06-06-1991 (A) | 06-06-1991 | ||||
| Portugal | 21-11-1985 (A) | 21-11-1985 | ||||
| Romania | 17-06-2016 (A) | 17-06-2016 | ||||
| Serbia | 22-02-2019 (A) | 22-02-2019 | ||||
| Spain | 15-11-1983 (A) | 15-11-1983 | ||||
| Sweden | 01-07-1953 | 15-07-1954 (R) | 29-09-1954 | |||
| Switzerland | 17-07-1953 | 12-02-1954 (R) | 29-09-1954 | |||
| United Kingdom | 01-07-1953 | 30-12-1953 (R) | 29-09-1954 | |||
| Yugoslavia (< 25-06-1991) | 01-07-1953 | 09-02-1955 (R) | 09-02-1955 | 29-09-1961 | 31-12-1961 |