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Amendment to the Montreal Protocol on Substances that Deplete the Ozone Layer (Sept. 17, 1997)

Countries/Territories Entry into force Ratification *
Afghanistan Sep 15, 2004 Jun 17, 2004 [2]
Albania Aug 23, 2006 May 25, 2006 [2]
Antigua and Barbuda May 10, 2000 Feb 10, 2000 [1]
Argentina May 16, 2001 Feb 15, 2001 [1]
Australia Nov 10, 1999 Jan 5, 1999 [3]
Austria Nov 5, 2000 Aug 7, 2000 [1]
Azerbaijan Dec 27, 2000 Sep 28, 2000 [3]
Bahrain Jun 11, 2001 Mar 13, 2001 [1]
Barbados Mar 10, 2003 Dec 10, 2002 [2]
Belgium Nov 9, 2004 Aug 11, 2004 [1]
Bangladesh Oct 25, 2001 Jul 27, 2001 [3]
Bahamas Jun 14, 2005 Mar 16, 2005 [3]
Bhutan Nov 19, 2004 Aug 23, 2004 [2]
Bosnia and Herzegovina Nov 9, 2003 Aug 11, 2003 [2]
Burkina Faso Feb 9, 2003 Nov 11, 2002 [1]
Bolivia (Plurinational State of) Nov 10, 1999 Apr 12, 1999 [2]
Brazil Sep 28, 2004 Jun 30, 2004 [1]
Bulgaria Feb 22, 2000 Nov 24, 1999 [1]
Burundi Jan 16, 2002 Oct 18, 2001 [3]
Canada Nov 10, 1999 Mar 27, 1998 [1]
Chad Aug 28, 2001 May 30, 2001 [1]
Chile Nov 10, 1999 Jun 17, 1998 [1]
Congo, Dem. Rep. of Jun 23, 2005 Mar 23, 2005 [2]
Colombia Sep 14, 2003 Jun 16, 2003 [2]
Comoros Mar 2, 2003 Dec 2, 2002 [2]
Congo Jan 17, 2002 Oct 19, 2001 [2]
Costa Rica Mar 1, 2006 Dec 1, 2005 [1]
Croatia Dec 7, 2000 Sep 8, 2000 [1]
Cuba Dec 11, 2005 Sep 12, 2005 [3]
Cabo Verde Oct 29, 2001 Jul 31, 2001 [2]
Cyprus Aug 31, 2003 Jun 2, 2003 [3]
Czech Republic Feb 3, 2000 Nov 5, 1999 [3]
Denmark Dec 23, 2003 Sep 24, 2003 [3]
Djibouti Nov 10, 1999 Jul 30, 1999 [2]
Dominica Jun 6, 2006 Mar 7, 2006 [2]
Egypt Oct 18, 2000 Jul 20, 2000 [1]
El Salvador Mar 8, 2001 Dec 8, 2000 [2]
Eritrea Oct 5, 2005 Jul 5, 2005 [1]
Estonia Jul 10, 2003 Apr 11, 2003 [2]
European Union Feb 15, 2001 Nov 17, 2000 [3]
Finland Sep 16, 2001 Jun 18, 2001 [3]
France Aug 26, 2003 Jul 25, 2003 [3]
Gabon Mar 4, 2001 Dec 4, 2000 [2]
United Kingdom Jan 10, 2002 Oct 12, 2001 [1]
Guinea-Bissau Feb 10, 2003 Nov 12, 2002 [2]
Georgia Oct 10, 2000 Jul 12, 2000 [2]
Germany Nov 10, 1999 Jan 5, 1999 [1]
Ghana Nov 8, 2005 Aug 8, 2005 [2]
Greece Apr 26, 2006 Jan 27, 2006 [1]
Grenada Nov 10, 1999 May 20, 1999 [2]
Guatemala Apr 21, 2002 Jan 21, 2002 [2]
Guyana Nov 10, 1999 Jul 23, 1999 [3]
Haiti Jun 27, 2000 Mar 29, 2000 [2]
Hungary Nov 10, 1999 Jul 26, 1999 [1]
Iceland May 8, 2000 Feb 8, 2000 [1]
India Jun 1, 2003 Mar 3, 2003 [2]
Indonesia Apr 25, 2006 Jan 26, 2006 [1]
Iran, Islamic Republic of Jan 15, 2002 Oct 17, 2001 [3]
Ireland Jan 4, 2006 Oct 6, 2005 [3]
Israel Aug 26, 2003 May 28, 2003 [1]
Italy Jul 30, 2001 May 1, 2001 [1]
Jamaica Dec 23, 2003 Sep 24, 2003 [2]
Japan Nov 28, 2002 Aug 30, 2002 [3]
Jordan Nov 10, 1999 Feb 3, 1999 [1]
Kenya Oct 10, 2000 Jul 12, 2000 [1]
Kiribati Nov 7, 2004 Aug 9, 2004 [2]
Korea, Republic of Nov 10, 1999 Aug 19, 1998 [1]
Kuwait Sep 11, 2003 Jun 13, 2003 [2]
Kyrgyzstan Aug 11, 2003 May 13, 2003 [1]
Lao, People's Dem. Rep. Sep 26, 2006 Jun 28, 2006 [2]
Latvia Sep 12, 2002 Jun 14, 2002 [3]
Liberia Feb 28, 2005 Nov 30, 2004 [2]
Lebanon Oct 29, 2000 Jul 31, 2000 [2]
Liechtenstein Mar 21, 2004 Dec 23, 2003 [3]
Lithuania Jun 15, 2004 Mar 17, 2004 [3]
Luxembourg Nov 10, 1999 Feb 8, 1999 [1]
North Macedonia Nov 29, 1999 Aug 31, 1999 [2]
Madagascar Apr 16, 2002 Jan 16, 2002 [2]
Malaysia Jan 24, 2002 Oct 26, 2001 [1]
Marshall Islands Apr 27, 2003 Jan 27, 2003 [2]
Mauritius Jun 22, 2003 Mar 24, 2003 [3]
Mauritania Oct 20, 2005 Jul 22, 2005 [3]
Maldives Dec 26, 2001 Sep 27, 2001 [1]
Mexico Oct 26, 2006 Jul 28, 2006 [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]
Monaco Oct 24, 2001 Jul 26, 2001 [3]
Moldova, Republic of Aug 24, 2005 May 24, 2005 [2]
Mongolia Jun 26, 2002 Mar 28, 2002 [1]
Nauru Dec 10, 2004 Sep 10, 2004 [2]
Niger Jan 6, 2000 Oct 8, 1999 [1]
Netherlands May 21, 2000 Feb 21, 2000 [3]
Nigeria Dec 26, 2001 Sep 27, 2001 [1]
Norway Nov 10, 1999 Dec 30, 1998 [1]
New Zealand Nov 10, 1999 Jun 3, 1999 [1]
Oman Apr 19, 2005 Jan 19, 2005 [1]
Pakistan Dec 2, 2005 Sep 2, 2005 [1]
Panama Nov 10, 1999 Mar 5, 1999 [1]
Paraguay Jul 26, 2001 Apr 27, 2001 [1]
Palau Aug 27, 2001 May 29, 2001 [2]
Philippines Aug 21, 2006 May 23, 2006 [1]
Poland Mar 5, 2000 Dec 6, 1999 [1]
Portugal Jan 1, 2004 Oct 3, 2003 [1]
Korea, Dem. People's Rep. Mar 13, 2002 Dec 13, 2001 [2]
Romania Aug 19, 2001 May 21, 2001 [3]
Russian Federation Mar 13, 2006 Dec 14, 2005 [3]
Rwanda Apr 6, 2004 Jan 7, 2004 [2]
South Africa Feb 10, 2005 Nov 11, 2004 [2]
Samoa Jan 2, 2002 Oct 4, 2001 [3]
Serbia Jun 22, 2005 Mar 22, 2005 [2]
Senegal Nov 10, 1999 Aug 12, 1999 [2]
Seychelles Nov 24, 2002 Aug 26, 2002 [2]
Sierra Leone Nov 27, 2001 Aug 29, 2001 [2]
Singapore Dec 21, 2000 Sep 22, 2000 [2]
Slovakia Feb 1, 2000 Nov 3, 1999 [3]
Slovenia Feb 13, 2000 Nov 15, 1999 [1]
Solomon Islands Nov 15, 1999 Aug 17, 1999 [2]
Somalia Oct 30, 2001 Aug 1, 2001 [2]
Spain Nov 10, 1999 May 11, 1999 [3]
Sri Lanka Nov 18, 1999 Aug 20, 1999 [2]
Saint Kitts and Nevis Nov 10, 1999 Feb 25, 1999 [1]
Saint Lucia Nov 22, 1999 Aug 24, 1999 [2]
Sao Tome and Principe Feb 17, 2002 Nov 19, 2001 [2]
Sudan Aug 16, 2004 May 18, 2004 [2]
Suriname Mar 27, 2006 Mar 29, 2006 [2]
Eswatini, Kingdom of Mar 15, 2006 Dec 16, 2005 [2]
Sweden Nov 10, 1999 Jul 12, 1999 [1]
Switzerland Nov 26, 2002 Aug 28, 2002 [1]
Syrian Arab Republic Feb 28, 2000 Nov 30, 1999 [2]
Tanzania, Un. Rep. of Mar 6, 2003 Dec 6, 2002 [1]
Thailand Sep 21, 2003 Jun 23, 2003 [1]
Togo Feb 24, 2002 Nov 26, 2001 [3]
Tonga Feb 24, 2004 Nov 26, 2003 [1]
Trinidad and Tobago Nov 10, 1999 Jun 10, 1999 [1]
Tunisia Jan 17, 2000 Oct 19, 1999 [1]
Turkey Jan 22, 2004 Oct 24, 2003 [1]
Tuvalu Nov 29, 2000 Aug 31, 2000 [3]
United Arab Emirates Feb 16, 2005 Feb 16, 2005 [2]
Uganda Feb 21, 2000 Nov 23, 1999 [2]
Uruguay May 16, 2000 Feb 16, 2000 [2]
United States of America Dec 30, 2003 Oct 1, 2003 [1]
Uzbekistan Jan 29, 2007 Oct 31, 2006 [1]
Venezuela, Boliv. Rep. of Aug 11, 2002 May 13, 2002 [1]
Viet Nam Mar 1, 2005 Dec 3, 2004 [1]
Yemen Jul 22, 2001 Apr 23, 2001 [2]
Montenegro Jan 21, 2007 Oct 23, 2006 [4]
Cambodia May 1, 2007 Jan 31, 2007 [2]
Ecuador May 17, 2007 Feb 16, 2007 [2]
Belarus Jun 13, 2007 Mar 13, 2007 [3]
Equatorial Guinea Oct 9, 2007 Jul 11, 2007 [2]
Ukraine Aug 2, 2007 May 4, 2007 [1]
Fiji May 20, 2007 Feb 19, 2007 [2]
Algeria Nov 4, 2007 Aug 6, 2007 [1]
Honduras Dec 13, 2007 Sep 14, 2007 [2]
Namibia Jan 1, 2008 Oct 1, 2007 [3]
Zambia Jan 11, 2007 Oct 11, 2007 [2]
Central African Republic Aug 27, 2008 May 29, 2008 [1]
Peru Aug 18, 2008 May 20, 2008 [2]
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]
Belize Apr 16, 2008 Jan 17, 2008 [3]
Iraq Sep 23, 2008 Jun 25, 2008 [2]
Benin Feb 14, 2008 Nov 16, 2007 [1]
Andorra Apr 26, 2009 Jan 26, 2009 [2]
Armenia Mar 18, 2009 Dec 18, 2008 [1]
Cook Islands (New Zealand) Mar 22, 2004 Dec 22, 2003 [2]
Niue (New Zealand) Mar 22, 2004 Dec 22, 2003 [2]
Malawi May 28, 2009 Feb 27, 2009 [1]
Brunei Darussalam Jun 1, 2009 Mar 3, 2009 [2]
Qatar Apr 29, 2009 Jan 29, 2009 [1]
San Marino Jul 23, 2009 Apr 23, 2009 [2]
Tajikistan Aug 7, 2009 May 7, 2009 [2]
Saint Vincent and the Grenadines Aug 9, 2009 May 11, 2009 [2]
Cameroon Nov 21, 2009 Aug 21, 2009 [1]
Dominican Republic Jan 1, 2010 Oct 1, 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]
China Aug 17, 2010 May 19, 2010 [3]
Mozambique Feb 9, 2011 Nov 11, 2010 [2]
Angola Sep 19, 2011 Jun 21, 2011 [2]
Kazakhstan Sep 26, 2011 Jun 28, 2011 [2]
Vanuatu Oct 19, 2011 Jul 21, 2011 [2]
Myanmar Apr 29, 2012 Jan 30, 2012 [2]
Guinea May 28, 2012 Feb 28, 2012 [2]
Zimbabwe May 30, 2012 Mar 1, 2012 [2]
Nepal Aug 16, 2012 May 18, 2012 [2]
Côte d'Ivoire Sep 26, 2012 Jun 28, 2012 [1]
Morocco Dec 18, 2012 Sep 19, 2012 [2]
South Sudan Jan 14, 2013 Oct 16, 2012 [2]
Nicaragua Feb 5, 2013 Nov 7, 2012 [1]
Botswana Feb 21, 2013 Feb 21, 2013 [2]
Papua New Guinea Feb 10, 2014 Nov 12, 2013 [2]
Saudi Arabia Jun 12, 2014 Mar 14, 2014 [1]
Libya Jul 14, 2014 Apr 15, 2014 [1]

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