| 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 |
|---|---|---|---|---|---|---|
| Armenia | 29-04-2005 (R) | 29-04-2006 | ||||
| Australia | 15-05-1987 (R) | 15-05-1988 | ||||
| Austria | 03-06-1987 (R) | 03-06-1988 | ||||
| Azerbaijan | 19-05-1992 (Su) | 30-08-1991 | ||||
| Belarus | 12-10-1990 (R) | 12-10-1991 | ||||
| Benin | 06-04-2000 (R) | 06-04-2001 | ||||
| Bolivia | 14-11-1990 (R) | 14-11-1991 | ||||
| Brazil | 02-07-1990 (R) | 02-07-1991 | ||||
| Canada | 22-11-1995 (R) | 22-11-1996 | ||||
| Colombia | 23-03-1990 (R) | 23-03-1991 | ||||
| Costa Rica | 13-02-2001 (R) | 13-02-2002 | ||||
| Cyprus | 01-12-1987 (R) | 01-12-1988 | ||||
| Czech Republic | 01-01-1993 (Su) | 01-01-1993 | ||||
| Czechoslovakia (<01-01-1993) | 25-02-1988 (R) | 25-02-1989 | ||||
| Denmark | 22-01-1988 (R) | 22-01-1989 | ||||
| El Salvador | 24-04-1987 (R) | 24-04-1988 | ||||
| Eswatini | 22-09-1992 (R) | 22-09-1993 | ||||
| Finland | 27-04-1987 (R) | 27-04-1988 | ||||
| Germany | 25-04-1991 (R) | 25-04-1992 | ||||
| Greece | 17-03-1993 (R) | 17-03-1994 | ||||
| Guatemala | 07-04-1993 (R) | 07-04-1994 | ||||
| Hungary | 09-04-2010 (R) | 09-04-2011 | ||||
| India | 01-04-1992 (R) | 01-04-1993 | ||||
| Ireland | 27-10-1995 (R) | 27-10-1996 | ||||
| Israel | 21-01-2010 (R) | 21-01-2011 | ||||
| Italy | 08-11-1989 (R) | 08-11-1990 | ||||
| Kyrgyzstan | 31-03-1992 (Su) | 31-08-1991 | ||||
| Latvia | 10-06-1994 (R) | 10-06-1995 | ||||
| Lithuania | 10-06-1999 (R) | 10-06-2000 | ||||
| Mauritius | 14-06-1994 (R) | 14-06-1995 | ||||
| Mexico | 18-04-1988 (R) | 18-04-1989 | ||||
| Moldova | 10-02-2012 (R) | 10-02-2013 | ||||
| Netherlands, the Kingdom of the | 05-10-1990 (R) | 05-10-1991 | ||||
| New Zealand | 06-11-2001 (R) | 06-11-2002 | ||||
| Norway | 06-08-1987 (R) | 06-08-1988 | ||||
| Panama | 03-04-1996 (R) | 03-04-1997 | ||||
| Poland | 24-04-1991 (R) | 24-04-1992 | ||||
| Portugal | 08-12-1993 (R) | 08-12-1994 | ||||
| Republic of Korea, the | 08-12-1997 (R) | 08-12-1998 | ||||
| Russian Federation | 27-08-1990 (R) | 27-08-1991 | ||||
| San Marino | 01-07-1988 (R) | 01-07-1989 | ||||
| Sierra Leone | 29-03-2022 (R) | 29-03-2023 | ||||
| Slovakia | 01-01-1993 (Su) | 01-01-1993 | ||||
| Spain | 03-10-1989 (R) | 03-10-1990 | ||||
| Sri Lanka | 01-04-1993 (R) | 01-04-1994 | ||||
| Sweden | 22-09-1986 (R) | 24-04-1987 | ||||
| Switzerland | 07-05-1987 (R) | 07-05-1988 | ||||
| Tajikistan | 26-11-1993 (Su) | 09-09-1991 | ||||
| Ukraine | 15-08-1991 (Su) | 24-08-1991 | ||||
| United Kingdom | 27-05-1987 (R) | 27-05-1988 | ||||
| United States of America | 11-06-1990 (R) | 11-06-1991 |
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