| 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 |
|---|---|---|---|---|---|---|
| Australia | 17-05-1979 (A) | 27-05-1979 | ||||
| Austria | 18-11-1974 | 30-06-1976 (R) | 10-07-1976 | |||
| Belgium | 18-11-1974 | 29-07-1976 (R) | 08-08-1976 | |||
| Canada | 18-11-1974 | 17-12-1975 (R) | 19-01-1976 | |||
| Czech Republic | 26-01-2001 (A) | 05-02-2001 | ||||
| Denmark | 18-11-1974 | 19-06-1975 (R) | 19-01-1976 | |||
| Estonia | 29-04-2014 (A) | 09-05-2014 | ||||
| Finland | 22-12-1991 (A) | 01-01-1992 | ||||
| France | 28-07-1992 (A) | 07-08-1992 | ||||
| Germany | 18-11-1974 | 20-10-1975 (R) | 19-01-1976 | |||
| Greece | 15-07-1977 (A) | 25-07-1977 | ||||
| Hungary | 23-05-1997 (A) | 02-06-1997 | ||||
| Ireland | 18-11-1974 | 28-07-1975 (R) | 19-01-1976 | |||
| Italy | 18-11-1974 | 03-02-1978 (R) | 13-02-1978 | |||
| Japan | 18-11-1974 | 30-04-1975 (R) | 19-01-1976 | |||
| Lithuania | 10-02-2022 (A) | 20-02-2022 | ||||
| Luxembourg | 18-11-1974 | 24-04-1975 (R) | 19-01-1976 | |||
| Mexico | 07-02-2018 (A) | 17-02-2018 | ||||
| Netherlands, the Kingdom of the | 18-11-1974 | 30-03-1976 (R) | 09-04-1976 | |||
| New Zealand | 29-12-1976 (A) | 08-01-1977 | ||||
| Poland | 15-09-2008 (A) | 25-09-2008 | ||||
| Portugal | 29-06-1981 (A) | 09-07-1981 | ||||
| Republic of Korea, the | 18-03-2002 (A) | 28-03-2002 | ||||
| Slovakia | 20-11-2007 (A) | 30-11-2007 | ||||
| Spain | 18-11-1974 | 17-11-1975 (R) | 19-01-1976 | |||
| Sweden | 18-11-1974 | 18-12-1975 (R) | 19-01-1976 | |||
| Switzerland | 18-11-1974 | 08-12-1975 (R) | 19-01-1976 | |||
| Türkiye | 18-11-1974 | 24-04-1981 (R) | 04-05-1981 | |||
| United Kingdom | 18-11-1974 | 30-10-1975 (R) | 19-01-1976 | |||
| United States of America | 18-11-1974 | 09-01-1976 (R) | 19-01-1976 |
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