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Amendment to the Montreal Protocol on Substances that Deplete the Ozone Layer (Nov. 25, 1992)

Countries/Territories Entry into force Ratification *
Afghanistan Sep 15, 2004 Jun 17, 2004 [2]
Albania Aug 23, 2006 May 25, 2006 [2]
Algeria Aug 29, 2000 May 31, 2000 [1]
Antigua and Barbuda Jun 14, 1994 Jul 19, 1993 [2]
Argentina Jul 19, 1995 Apr 20, 1995 [2]
Armenia Feb 24, 2004 Nov 26, 2003 [2]
Australia Sep 29, 1994 Jun 30, 1994 [3]
Austria Dec 18, 1996 Sep 19, 1996 [3]
Azerbaijan Sep 10, 1996 Jun 12, 1996 [2]
Bahrain Jun 11, 2001 Mar 13, 2001 [1]
Barbados Oct 19, 1994 Jul 20, 1994 [3]
Belgium Nov 5, 1997 Aug 7, 1997 [1]
Benin Sep 19, 2000 Jun 21, 2000 [1]
Bangladesh Feb 25, 2001 Nov 27, 2000 [3]
Bahamas Jun 14, 1994 May 4, 1993 [2]
Bhutan Nov 21, 2004 Aug 23, 2004 [2]
Bosnia and Herzegovina Nov 9, 2003 Aug 11, 2003 [2]
Burkina Faso Mar 12, 1996 Dec 12, 1995 [1]
Belize Apr 9, 1998 Jan 9, 1998 [2]
Bolivia (Plurinational State of) Jan 1, 1995 Oct 3, 1994 [2]
Botswana Aug 11, 1997 May 13, 1997 [2]
Brazil Sep 23, 1997 Jun 25, 1997 [1]
Bulgaria Jul 27, 1999 Apr 28, 1999 [1]
Burundi Jan 16, 2002 Oct 18, 2001 [3]
Canada Jun 14, 1994 Mar 16, 1994 [1]
Chad Aug 28, 2001 May 30, 2001 [1]
Chile Jun 14, 1994 Jan 14, 1994 [1]
China Jul 21, 2003 Apr 22, 2003 [2]
Cameroon Sep 23, 1996 Jun 25, 1996 [3]
Congo, Dem. Rep. of Feb 28, 1995 Nov 30, 1994 [2]
Colombia Nov 3, 1997 Aug 5, 1997 [3]
Comoros Mar 2, 2003 Dec 2, 2002 [2]
Congo Jan 17, 2002 Oct 19, 2001 [2]
Costa Rica Feb 11, 1999 Nov 11, 1998 [1]
Croatia May 11, 1997 Feb 11, 1997 [1]
Cuba Jan 19, 1999 Oct 19, 1998 [3]
Cabo Verde Oct 29, 2001 Jul 31, 2001 [2]
Cyprus Aug 31, 2003 Jun 2, 2003 [3]
Czech Republic Mar 18, 1997 Dec 18, 1996 [2]
Denmark Jun 14, 1994 Dec 21, 1993 [3]
Djibouti Oct 28, 1999 Jul 30, 1999 [2]
Dominica Jun 5, 2006 Mar 7, 2006 [2]
Dominican Republic Mar 24, 2002 Dec 24, 2001 [2]
Ecuador Jun 14, 1994 Nov 24, 1993 [3]
Egypt Sep 26, 1994 Jun 28, 1994 [1]
El Salvador Mar 8, 2001 Dec 8, 2000 [2]
Eritrea Oct 5, 2005 Jul 5, 2005 [2]
Estonia Jul 12, 1999 Apr 12, 1999 [1]
European Union Feb 18, 1996 Nov 20, 1995 [3]
Fiji Aug 15, 2000 May 17, 2000 [2]
Finland Jun 14, 1994 Nov 16, 1993 [3]
France Apr 2, 1996 Jan 3, 1996 [3]
Gabon Mar 4, 2001 Dec 4, 2000 [2]
United Kingdom Apr 4, 1995 Jan 4, 1995 [1]
Guinea-Bissau Feb 10, 2003 Nov 12, 2002 [2]
Georgia Oct 10, 2000 Jul 12, 2000 [2]
Germany Jun 14, 1994 Dec 28, 1993 [1]
Ghana Jul 8, 2001 Apr 9, 2001 [1]
Greece Apr 30, 1995 Jan 30, 1995 [1]
Grenada Aug 20, 1999 May 20, 1999 [2]
Guatemala Apr 21, 2002 Jan 21, 2002 [2]
Guyana Oct 21, 1999 Jul 23, 1999 [3]
Haiti Jun 27, 2000 Mar 29, 2000 [2]
Honduras Apr 24, 2002 Jan 24, 2002 [1]
Hungary Aug 15, 1994 May 17, 1994 [2]
Iceland Jun 14, 1994 Mar 15, 1994 [1]
India Jun 1, 2003 Mar 3, 2003 [2]
Indonesia Mar 10, 1999 Dec 10, 1998 [2]
Iran, Islamic Republic of Nov 2, 1997 Aug 4, 1997 [3]
Ireland Jul 16, 1996 Apr 16, 1996 [3]
Israel Jul 4, 1995 Apr 5, 1995 [1]
Italy Apr 4, 1995 Jan 4, 1995 [1]
Côte d'Ivoire Jan 6, 2004 Oct 8, 2003 [1]
Jamaica Feb 6, 1997 Nov 6, 1997 [1]
Japan Mar 20, 1995 Dec 20, 1994 [3]
Jordan Sep 28, 1995 Jun 30, 1995 [1]
Kenya Dec 26, 1994 Sep 27, 1994 [1]
Kiribati Nov 9, 2004 Aug 9, 2004 [2]
Korea, Republic of Mar 2, 1995 Dec 2, 1994 [3]
Kuwait Oct 22, 1994 Jul 22, 1994 [2]
Kyrgyzstan Aug 11, 2003 May 13, 2003 [1]
Lao, People's Dem. Rep. Sep 26, 2006 Jun 28, 2006 [2]
Latvia Jan 31, 1999 Nov 2, 1998 [2]
Liberia Apr 14, 1996 Jan 15, 1996 [2]
Lebanon Oct 29, 2000 Jul 31, 2000 [2]
Libya Dec 24, 2004 Sep 24, 2004 [2]
Liechtenstein Mar 20, 1997 Nov 22, 1996 [2]
Lithuania May 3, 1998 Feb 3, 1998 [1]
Luxembourg Aug 7, 1994 May 9, 1994 [1]
North Macedonia Feb 9, 1999 Nov 9, 1998 [1]
Madagascar Apr 16, 2002 Jan 16, 2002 [2]
Malaysia Jun 14, 1994 Aug 5, 1993 [2]
Marshall Islands Jun 14, 1994 May 24, 1993 [2]
Mauritius Jun 14, 1994 Nov 30, 1993 [1]
Mauritania Oct 22, 2005 Jul 22, 2005 [3]
Maldives Dec 26, 2001 Sep 27, 2001 [1]
Mexico Dec 15, 1994 Sep 16, 1994 [3]
Micronesia, Fed. States Feb 25, 2002 Nov 27, 2001 [2]
Mali Jun 5, 2003 Mar 7, 2003 [3]
Malta Mar 21, 2004 Dec 22, 2003 [3]
Malawi Jun 14, 1994 Feb 28, 1994 [3]
Monaco Sep 15, 1999 Jun 15, 1999 [3]
Moldova, Republic of Sep 23, 2001 Jun 25, 2001 [2]
Mongolia Mar 7, 1996 Mar 7, 1996 [2]
Morocco Mar 27, 1996 Dec 28, 1995 [2]
Mozambique Dec 8, 1994 Sep 9, 1994 [2]
Namibia Oct 26, 2003 Jul 28, 2003 [3]
Nauru Dec 10, 2004 Sep 10, 2004 [2]
Niger Jan 6, 2000 Oct 8, 1999 [1]
Netherlands Jul 24, 1994 Apr 25, 1994 [3]
Nicaragua Mar 12, 2000 Dec 13, 1999 [1]
Nigeria Dec 26, 2001 Sep 27, 2001 [1]
Norway Jun 14, 1994 Sep 3, 1993 [1]
New Zealand Jun 14, 1994 Jun 4, 1993 [1]
Oman Nov 3, 1999 Aug 5, 1999 [2]
Pakistan May 18, 1995 Feb 17, 1995 [1]
Panama Jan 5, 1997 Oct 4, 1996 [2]
Paraguay Jul 26, 2001 Apr 27, 2001 [1]
Palau Aug 27, 2001 May 29, 2001 [2]
Peru Sep 7, 1999 Jun 7, 1999 [2]
Philippines Sep 13, 2001 Jun 15, 2001 [1]
Papua New Guinea Jan 5, 2004 Oct 7, 2003 [2]
Poland Dec 31, 1996 Oct 2, 1996 [2]
Portugal May 24, 1998 Feb 24, 1998 [1]
Korea, Dem. People's Rep. Sep 17, 1999 Jun 17, 1999 [2]
Qatar Apr 21, 1996 Jan 22, 1996 [2]
Romania Feb 26, 2001 Nov 28, 2000 [3]
Russian Federation Mar 13, 2006 Dec 14, 2005 [3]
Rwanda Apr 6, 2004 Jan 7, 2004 [2]
South Africa Jun 12, 2000 Mar 13, 2000 [2]
Samoa Jan 2, 2002 Oct 4, 2001 [3]
Saudi Arabia Jun 14, 1994 Mar 1, 1993 [2]
Serbia Jun 22, 2005 Mar 22, 2005 [2]
Senegal Nov 10, 1999 Aug 12, 1999 [2]
Seychelles Jun 14, 1994 May 27, 1993 [1]
Sierra Leone Nov 27, 2001 Aug 29, 2001 [2]
Singapore Dec 21, 2001 Sep 22, 2000 [2]
Slovakia Apr 8, 1998 Jan 8, 1998 [2]
Slovenia Feb 13, 1999 Nov 13, 1998 [3]
Solomon Islands Nov 5, 1999 Aug 17, 1999 [2]
Somalia Oct 30, 2001 Aug 1, 2001 [2]
Spain Sep 3, 1995 Jun 5, 1995 [3]
Sri Lanka Oct 1, 1997 Jul 7, 1997 [2]
Saint Kitts and Nevis Aug 17, 1994 May 19, 1994 [2]
Saint Lucia Nov 22, 1999 Aug 24, 1999 [2]
Saint Vincent and the Grenadines Mar 2, 1997 Dec 2, 1996 [2]
Sudan Apr 2, 2002 Jan 2, 2002 [2]
Suriname Jun 27, 2006 Mar 29, 2006 [2]
Eswatini, Kingdom of Mar 15, 2006 Dec 16, 2005 [2]
Sweden Jun 14, 1994 Aug 9, 1993 [1]
Switzerland Dec 15, 1996 Sep 16, 1996 [1]
Syrian Arab Republic Feb 28, 2000 Nov 30, 1999 [2]
Tanzania, Un. Rep. of Mar 6, 2003 Dec 6, 2002 [1]
Thailand Feb 29, 1996 Dec 1, 1995 [1]
Togo Oct 6, 1998 Jul 6, 1998 [3]
Tonga Feb 24, 2004 Nov 26, 2003 [1]
Trinidad and Tobago Jun 10, 1999 Jun 10, 1999 [1]
Tunisia May 3, 1995 Feb 2, 1995 [2]
Turkey Feb 8, 1996 Nov 10, 1995 [1]
Tuvalu Nov 29, 2001 Aug 31, 2000 [3]
United Arab Emirates May 16, 2005 Feb 16, 2005 [2]
Uganda Feb 20, 2000 Nov 22, 1999 [2]
Ukraine Jul 3, 2002 Apr 4, 2002 [1]
Uruguay Oct 5, 1997 Jul 3, 1997 [2]
United States of America Jun 14, 1994 Mar 2, 1994 [1]
Uzbekistan Sep 10, 1998 Jun 10, 1998 [2]
Vanuatu Feb 19, 1995 Nov 21, 1994 [3]
Venezuela, Boliv. Rep. of Mar 10, 1998 Dec 10, 1997 [1]
Viet Nam Jun 14, 1994 Jan 26, 1994 [2]
Yemen Jul 22, 2001 Apr 23, 2001 [2]
Zimbabwe Sep 1, 1994 Jun 3, 1994 [1]
Montenegro Jan 21, 2007 Oct 23, 2006 [4]
Cambodia May 1, 2007 Jan 31, 2007 [2]
Belarus Jun 11, 2007 Mar 13, 2007 [3]
Equatorial Guinea Oct 9, 2007 Jul 11, 2007 [2]
Sao Tome and Principe Feb 17, 2002 Nov 19, 2001 [2]
Zambia Jan 11, 2008 Oct 11, 2007 [2]
Central African Republic Aug 27, 2008 May 29, 2008 [1]
Turkmenistan Jun 26, 2008 Mar 28, 2008 [2]
Gambia Jul 29, 2008 Apr 30, 2008 [1]
Holy See Aug 3, 2008 May 5, 2008 [2]
Iraq Sep 23, 2008 Jun 25, 2008 [2]
Andorra Apr 26, 2009 Jan 26, 2009 [2]
Cook Islands (New Zealand) Mar 22, 2004 Dec 22, 2003 [2]
Niue (New Zealand) Mar 22, 2004 Dec 22, 2003 [2]
Brunei Darussalam Jun 1, 2009 Mar 3, 2009 [2]
San Marino Apr 23, 2009 Apr 23, 2009 [2]
Tajikistan Aug 7, 2009 May 7, 2009 [2]
Myanmar Aug 20, 2009 May 22, 2009 [2]
Timor-Leste Dec 16, 2009 Sep 16, 2009 [2]
Ethiopia Feb 25, 2010 Nov 25, 2009 [1]
Lesotho Jul 15, 2010 Apr 15, 2010 [2]
Kazakhstan Sep 26, 2011 Jun 28, 2011 [2]
Angola Sep 19, 2011 Jun 21, 2011 [2]
Guinea May 28, 2012 Feb 28, 2012 [2]
Nepal Aug 16, 2012 May 18, 2012 [2]
South Sudan Jan 14, 2013 Oct 16, 2012 [2]

* [1] Ratification [2] Accession/approbation [3] Acceptance/approval [4] Succession [5] Consent to be bound [6] Definite signature