| 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 | 19-10-1970 | 03-12-1971 (R) | 02-01-1972 | |||
| Bulgaria | 22-10-2004 (A) | 21-11-2004 | ||||
| Canada | 19-10-1970 | 20-10-1970 (R) | 07-02-1971 | |||
| Czech Republic | 31-10-2000 (A) | 30-11-2000 | ||||
| Denmark | 19-10-1970 | 10-11-1971 (R) | 10-12-1971 | |||
| Estonia | 09-02-2005 (A) | 11-03-2005 | ||||
| Finland | 28-03-2024 (R) | 27-04-2024 | ||||
| France | 19-10-1970 | 04-04-1972 (R) | 04-05-1972 | |||
| Germany | 19-10-1970 | 24-07-1972 (R) | 23-08-1972 | |||
| Greece | 19-10-1970 | 02-02-1972 (R) | 03-03-1972 | |||
| Hungary | 21-01-2000 (A) | 20-02-2000 | ||||
| Italy | 19-10-1970 | 25-07-1974 (R) | 24-08-1974 | |||
| Latvia | 22-09-2004 (A) | 22-10-2004 | ||||
| Lithuania | 22-09-2004 (A) | 22-10-2004 | ||||
| Luxembourg | 19-10-1970 | 26-09-2007 (R) | 26-10-2007 | |||
| Netherlands, the Kingdom of the | 19-10-1970 | 19-08-1971 (R) | 18-09-1971 | |||
| North Macedonia | 20-10-2021 (A) | 19-11-2021 | ||||
| Norway | 19-10-1970 | 06-07-1972 (R) | 05-08-1972 | |||
| Poland | 21-09-1999 (A) | 21-10-1999 | ||||
| Portugal | 19-10-1970 | |||||
| Romania | 04-08-2005 (A) | 03-09-2005 | ||||
| Slovakia | 13-09-2004 (A) | 13-10-2004 | ||||
| Slovenia | 28-09-2004 (A) | 28-10-2004 | ||||
| Spain | 10-08-1987 (A) | 09-09-1987 | ||||
| Türkiye | 19-10-1970 | 27-10-1972 (A) | 26-11-1972 | |||
| United Kingdom | 19-10-1970 | 28-10-1971 (R) | 27-11-1971 | |||
| United States of America | 19-10-1970 | 08-01-1971 (R) | 07-02-1971 |
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