| Contracting Party | Signature | Instrument | In Force | Details |
| Albania | | Accession: April 30, 2003 | July 30, 2003 | |
| Antigua and Barbuda | | Accession: December 17, 1999 | March 17, 2000 | |
| Armenia | | Accession: July 19, 2000 | October 19, 2000 | Details |
| Australia | | Accession: April 11, 2001 | July 11, 2001 | Details |
| Austria | December 29, 1989 | Ratification: January 13, 1999 | April 13, 1999 | |
| Azerbaijan | | Accession: January 15, 2007 | April 15, 2007 | |
| Bahrain | | Accession: September 15, 2005 | December 15, 2005 | Details |
| Belarus | | Accession: October 18, 2001 | January 18, 2002 | Details |
| Belgium | June 28, 1989 | Ratification: December 22, 1997 | April 1, 1998 | Details |
| Bhutan | | Accession: May 4, 2000 | August 4, 2000 | |
| Bosnia and Herzegovina | | Accession: October 27, 2008 | January 27, 2009 | |
| Botswana | | Accession: September 5, 2006 | December 5, 2006 | |
| Bulgaria | | Accession: July 2, 2001 | October 2, 2001 | Details |
| China | | Accession: September 1, 1995 | December 1, 1995 | Details |
| Colombia | | Accession: May 29, 2012 | August 29, 2012 | Details |
| Croatia | | Accession: October 23, 2003 | January 23, 2004 | |
| Cuba | | Accession: September 26, 1995 | December 26, 1995 | |
| Cyprus | | Accession: August 4, 2003 | November 4, 2003 | Details |
| Czech Republic | | Accession: June 25, 1996 | September 25, 1996 | |
| Democratic People's Republic of Korea | June 28, 1989 | Approval: July 3, 1996 | October 3, 1996 | |
| Denmark | June 28, 1989 | Ratification: November 10, 1995 | February 13, 1996 | Details |
| Egypt | June 28, 1989 | Ratification: June 3, 2009 | September 3, 2009 | |
| Estonia | | Accession: August 18, 1998 | November 18, 1998 | Details |
| European Union (EU) | | Accession: July 1, 2004 | October 1, 2004 | Details |
| Finland | December 27, 1989 | Acceptance: December 29, 1995 | April 1, 1996 | Details |
| France | June 28, 1989 | Ratification: August 7, 1997 | November 7, 1997 | |
| Georgia | | Accession: May 20, 1998 | August 20, 1998 | Details |
| Germany | June 28, 1989 | Ratification: December 20, 1995 | March 20, 1996 | Details |
| Ghana | | Accession: June 16, 2008 | September 16, 2008 | Details |
| Greece | December 13, 1989 | Ratification: May 10, 2000 | August 10, 2000 | Details |
| Hungary | June 28, 1989 | Ratification: July 3, 1997 | October 3, 1997 | Details |
| Iceland | | Accession: January 15, 1997 | April 15, 1997 | Details |
| India | | Accession: April 8, 2013 | July 8, 2013 | Details |
| Iran (Islamic Republic of) | | Accession: September 25, 2003 | December 25, 2003 | Details |
| Ireland | December 28, 1989 | Ratification: July 19, 2001 | October 19, 2001 | Details |
| Israel | | Accession: May 31, 2010 | September 1, 2010 | Details |
| Italy | June 28, 1989 | Ratification: January 17, 2000 | April 17, 2000 | Details |
| Japan | | Accession: December 14, 1999 | March 14, 2000 | Details |
| Kazakhstan | | Accession: September 8, 2010 | December 8, 2010 | |
| Kenya | | Accession: March 26, 1998 | June 26, 1998 | Details |
| Kyrgyzstan | | Accession: March 17, 2004 | June 17, 2004 | Details |
| Latvia | | Accession: October 5, 1999 | January 5, 2000 | |
| Lesotho | | Accession: November 12, 1998 | February 12, 1999 | |
| Liberia | | Accession: September 11, 2009 | December 11, 2009 | |
| Liechtenstein | June 28, 1989 | Ratification: December 17, 1997 | March 17, 1998 | |
| Lithuania | | Accession: August 15, 1997 | November 15, 1997 | Details |
| Luxembourg | June 28, 1989 | Ratification: January 1, 1998 | April 1, 1998 | Details |
| Madagascar | | Accession: January 28, 2008 | April 28, 2008 | Details |
| Mexico | | Accession: November 19, 2012 | February 19, 2013 | Details |
| Monaco | December 21, 1989 | Ratification: June 27, 1996 | September 27, 1996 | |
| Mongolia | June 28, 1989 | Ratification: March 16, 2001 | June 16, 2001 | |
| Montenegro | | Declaration of Continued Application: December 4, 2006 | June 3, 2006 | Details |
| Morocco | June 28, 1989 | Ratification: July 8, 1999 | October 8, 1999 | |
| Mozambique | | Accession: July 7, 1998 | October 7, 1998 | |
| Namibia | | Accession: March 31, 2004 | June 30, 2004 | Details |
| Netherlands | December 27, 1989 | Acceptance: November 28, 1997 | April 1, 1998 | Details |
| New Zealand | | Accession: September 10, 2012 | December 10, 2012 | Details |
| Norway | | Accession: December 29, 1995 | March 29, 1996 | Details |
| Oman | | Accession: July 16, 2007 | October 16, 2007 | Details |
| Philippines | | Accession: April 25, 2012 | July 25, 2012 | Details |
| Poland | | Accession: December 4, 1996 | March 4, 1997 | Details |
| Portugal | June 28, 1989 | Ratification: December 20, 1996 | March 20, 1997 | |
| Republic of Korea | | Accession: January 10, 2003 | April 10, 2003 | Details |
| Republic of Moldova | | Accession: September 1, 1997 | December 1, 1997 | Details |
| Romania | December 30, 1989 | Ratification: April 28, 1998 | July 28, 1998 | |
| Russian Federation | June 28, 1989 | Ratification: March 10, 1997 | June 10, 1997 | Details |
| San Marino | | Accession: June 12, 2007 | September 12, 2007 | Details |
| Sao Tome and Principe | | Accession: September 8, 2008 | December 8, 2008 | |
| Senegal | December 27, 1989 | | | |
| Serbia | June 28, 1989 | Ratification: November 17, 1997 | February 17, 1998 | Details |
| Sierra Leone | | Accession: September 28, 1999 | December 28, 1999 | |
| Singapore | | Accession: July 31, 2000 | October 31, 2000 | Details |
| Slovakia | | Accession: June 13, 1997 | September 13, 1997 | Details |
| Slovenia | | Accession: December 12, 1997 | March 12, 1998 | |
| Spain | June 28, 1989 | Ratification: April 17, 1991 | December 1, 1995 | |
| Sudan | | Accession: November 16, 2009 | February 16, 2010 | |
| Swaziland | | Accession: September 14, 1998 | December 14, 1998 | |
| Sweden | December 21, 1989 | Ratification: December 30, 1994 | December 1, 1995 | Details |
| Switzerland | June 28, 1989 | Ratification: February 1, 1997 | May 1, 1997 | Details |
| Syrian Arab Republic | | Accession: May 5, 2004 | August 5, 2004 | Details |
| Tajikistan | | Accession: March 31, 2011 | June 30, 2011 | Details |
| the former Yugoslav Republic of Macedonia | | Accession: May 30, 2002 | August 30, 2002 | |
| Turkey | | Accession: October 1, 1998 | January 1, 1999 | Details |
| Turkmenistan | | Accession: June 28, 1999 | September 28, 1999 | Details |
| Ukraine | | Accession: September 29, 2000 | December 29, 2000 | Details |
| United Kingdom | June 28, 1989 | Ratification: April 6, 1995 | December 1, 1995 | Details |
| United States of America | | Accession: August 2, 2003 | November 2, 2003 | Details |
| Uzbekistan | | Accession: September 27, 2006 | December 27, 2006 | Details |
| Viet Nam | | Accession: April 11, 2006 | July 11, 2006 | Details |
| Zambia | | Accession: August 15, 2001 | November 15, 2001 | |