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ENVIRONMENT

Vienna Convention for the Protection of the Ozone Layer

Reference
XXVII-2
Adopted
Vienna, 22 March 1985
Entry into force
22 September 1988, in accordance with article 17(1).
Registration
22 September 1988, No. 26164
Signatories
28
Parties
198
Depositary record
United Nations Treaty Collection

Who signed, and when

CountrySignatureRatification, acceptance, approval or accession
Afghanistan - 17 Jun 2004 a
Albania - 8 Oct 1999 a
Algeria - 20 Oct 1992 a
Andorra - 26 Jan 2009 a
Angola - 17 May 2000 a
Antigua and Barbuda - 3 Dec 1992 a
Argentina 22 Mar 1985 18 Jan 1990
Armenia - 1 Oct 1999 a
Australia - 16 Sep 1987 a
Austria 16 Sep 1985 19 Aug 1987
Azerbaijan - 12 Jun 1996 a
Bahamas (The) - 1 Apr 1993 a
Bahrain - 27 Apr 1990 a
Bangladesh - 2 Aug 1990 a
Barbados - 16 Oct 1992 a
Belarus 22 Mar 1985 20 Jun 1986 A
Belgium 22 Mar 1985 17 Oct 1988
Belize - 6 Jun 1997 a
Benin - 1 Jul 1993 a
Bhutan - 23 Aug 2004 a
Bolivia (Plurinational State of) - 3 Oct 1994 a
Bosnia and Herzegovina - 1 Sep 1993 d
Bosnia and Herzegovina 2 - 1 Sep 1993 d
Botswana - 4 Dec 1991 a
Brazil - 19 Mar 1990 a
Brunei Darussalam - 26 Jul 1990 a
Bulgaria - 20 Nov 1990 a
Burkina Faso 12 Dec 1985 30 Mar 1989
Burundi - 6 Jan 1997 a
Cabo Verde - 31 Jul 2001 a
Cambodia - 27 Jun 2001 a
Cameroon - 30 Aug 1989 a
Canada 22 Mar 1985 4 Jun 1986
Central African Republic - 29 Mar 1993 a
Chad - 18 May 1989 a
Chile 22 Mar 1985 6 Mar 1990
China - 11 Sep 1989 a
China 3 , 4 - 11 Sep 1989 a
Colombia - 16 Jul 1990 a
Comoros - 31 Oct 1994 a
Congo - 16 Nov 1994 a
Cook Islands - 22 Dec 2003 a
Costa Rica - 30 Jul 1991 a
Croatia - 21 Sep 1992 d
Croatia 2 - 21 Sep 1992 d
Cuba - 14 Jul 1992 a
Cyprus - 28 May 1992 a
Czech Republic - 30 Sep 1993 d
Czech Republic 5 - 30 Sep 1993 d
Côte d'Ivoire - 5 Apr 1993 a
Democratic People's Republic of Korea - 24 Jan 1995 a
Democratic Republic of the Congo - 30 Nov 1994 a
Denmark 22 Mar 1985 29 Sep 1988
Djibouti - 30 Jul 1999 a
Dominica - 31 Mar 1993 a
Dominican Republic - 18 May 1993 a
Ecuador - 10 Apr 1990 a
Egypt 22 Mar 1985 9 May 1988
El Salvador - 2 Oct 1992 a
Equatorial Guinea - 17 Aug 1988 a
Eritrea - 10 Mar 2005 a
Estonia - 17 Oct 1996 a
Eswatini - 10 Nov 1992 a
Ethiopia - 11 Oct 1994 a
European Union 22 Mar 1985 17 Oct 1988 AA
Fiji - 23 Oct 1989 a
Finland 22 Mar 1985 26 Sep 1986
France 22 Mar 1985 4 Dec 1987 AA
Gabon - 9 Feb 1994 a
Gambia - 25 Jul 1990 a
Georgia - 21 Mar 1996 a
Germany 22 Mar 1985 30 Sep 1988
Germany 6 , 7 22 Mar 1985 30 Sep 1988
Ghana - 24 Jul 1989 a
Greece 22 Mar 1985 29 Dec 1988
Grenada - 31 Mar 1993 a
Guatemala - 11 Sep 1987 a
Guinea - 25 Jun 1992 a
Guinea-Bissau - 12 Nov 2002 a
Guyana - 12 Aug 1993 a
Haiti - 29 Mar 2000 a
Holy See - 5 May 2008 a
Honduras - 14 Oct 1993 a
Hungary - 4 May 1988 a
Iceland - 29 Aug 1989 a
India - 18 Mar 1991 a
Indonesia - 26 Jun 1992 a
Iran (Islamic Republic of) - 3 Oct 1990 a
Iraq - 25 Jun 2008 a
Ireland - 15 Sep 1988 a
Israel - 30 Jun 1992 a
Italy 22 Mar 1985 19 Sep 1988
Jamaica - 31 Mar 1993 a
Japan - 30 Sep 1988 a
Jordan - 31 May 1989 a
Kazakhstan - 26 Aug 1998 a
Kenya - 9 Nov 1988 a
Kiribati - 7 Jan 1993 a
Kuwait - 23 Nov 1992 a
Kyrgyzstan - 31 May 2000 a
Lao People's Democratic Republic - 21 Aug 1998 a
Latvia - 28 Apr 1995 a
Lebanon - 30 Mar 1993 a
Lesotho - 25 Mar 1994 a
Liberia - 15 Jan 1996 a
Libya - 11 Jul 1990 a
Liechtenstein - 8 Feb 1989 a
Lithuania - 18 Jan 1995 a
Luxembourg 17 Apr 1985 17 Oct 1988
Madagascar - 7 Nov 1996 a
Malawi - 9 Jan 1991 a
Malaysia - 29 Aug 1989 a
Maldives - 26 Apr 1988 a
Mali - 28 Oct 1994 a
Malta - 15 Sep 1988 a
Marshall Islands - 11 Mar 1993 a
Mauritania - 26 May 1994 a
Mauritius - 18 Aug 1992 a
Mauritius 8 - 18 Aug 1992 a
Mexico 1 Apr 1985 14 Sep 1987
Micronesia (Federated States of) - 3 Aug 1994 a
Monaco - 12 Mar 1993 a
Mongolia - 7 Mar 1996 a
Montenegro - 23 Oct 2006 d
Montenegro 9 - 23 Oct 2006 d
Morocco 7 Feb 1986 28 Dec 1995
Mozambique - 9 Sep 1994 a
Myanmar - 24 Nov 1993 a
Namibia - 20 Sep 1993 a
Naoero - 12 Nov 2001 a
Nepal - 6 Jul 1994 a
Netherlands (Kingdom of the) 22 Mar 1985 28 Sep 1988 A
Netherlands (Kingdom of the) 10 22 Mar 1985 28 Sep 1988 A
New Zealand 21 Mar 1986 2 Jun 1987
New Zealand 11 21 Mar 1986 2 Jun 1987
Nicaragua - 5 Mar 1993 a
Niger - 9 Oct 1992 a
Nigeria - 31 Oct 1988 a
Niue - 22 Dec 2003 a
North Macedonia - 10 Mar 1994 d
North Macedonia 2 - 10 Mar 1994 d
Norway 22 Mar 1985 23 Sep 1986
Oman - 30 Jun 1999 a
Pakistan - 18 Dec 1992 a
Palau - 29 May 2001 a
Panama - 13 Feb 1989 a
Papua New Guinea - 27 Oct 1992 a
Paraguay - 3 Dec 1992 a
Peru 22 Mar 1985 7 Apr 1989
Philippines - 17 Jul 1991 a
Poland - 13 Jul 1990 a
Portugal - 17 Oct 1988 a
Portugal 3 - 17 Oct 1988 a
Qatar - 22 Jan 1996 a
Republic of Korea - 27 Feb 1992 a
Republic of Moldova - 24 Oct 1996 a
Romania - 27 Jan 1993 a
Russian Federation 22 Mar 1985 18 Jun 1986 A
Rwanda - 11 Oct 2001 a
Samoa - 21 Dec 1992 a
San Marino - 23 Apr 2009 a
Sao Tome and Principe - 19 Nov 2001 a
Saudi Arabia - 1 Mar 1993 a
Senegal - 19 Mar 1993 a
Serbia - 12 Mar 2001 d
Serbia 2 - 12 Mar 2001 d
Seychelles - 6 Jan 1993 a
Sierra Leone - 29 Aug 2001 a
Singapore - 5 Jan 1989 a
Slovakia - 28 May 1993 d
Slovakia 5 - 28 May 1993 d
Slovenia - 6 Jul 1992 d
Slovenia 2 - 6 Jul 1992 d
Solomon Islands - 17 Jun 1993 a
Somalia - 1 Aug 2001 a
South Africa - 15 Jan 1990 a
South Sudan - 12 Jan 2012 a
Spain - 25 Jul 1988 a
Sri Lanka - 15 Dec 1989 a
St. Kitts and Nevis - 10 Aug 1992 a
St. Lucia - 28 Jul 1993 a
St. Vincent and the Grenadines - 2 Dec 1996 a
State of Palestine - 18 Mar 2019 a
Sudan - 29 Jan 1993 a
Suriname - 14 Oct 1997 a
Sweden 22 Mar 1985 26 Nov 1986
Switzerland 22 Mar 1985 17 Dec 1987
Syrian Arab Republic - 12 Dec 1989 a
Tajikistan - 6 May 1996 a
Thailand - 7 Jul 1989 a
Timor-Leste - 16 Sep 2009 a
Togo - 25 Feb 1991 a
Tonga - 29 Jul 1998 a
Trinidad and Tobago - 28 Aug 1989 a
Tunisia - 25 Sep 1989 a
Turkmenistan - 18 Nov 1993 a
Tuvalu - 15 Jul 1993 a
Türkiye - 20 Sep 1991 a
Uganda - 24 Jun 1988 a
Ukraine 22 Mar 1985 18 Jun 1986 A
United Arab Emirates - 22 Dec 1989 a
United Kingdom of Great Britain and Northern Ireland 20 May 1985 15 May 1987
United Kingdom of Great Britain and Northern Ireland 4 , 12 20 May 1985 15 May 1987
United Republic of Tanzania - 7 Apr 1993 a
United States of America 22 Mar 1985 27 Aug 1986
Uruguay - 27 Feb 1989 a
Uzbekistan - 18 May 1993 a
Vanuatu - 21 Nov 1994 a
Venezuela (Bolivarian Republic of) - 1 Sep 1988 a
Viet Nam - 26 Jan 1994 a
Yemen - 21 Feb 1996 a
Zambia - 24 Jan 1990 a
Zimbabwe - 3 Nov 1992 a

Participants that are UN member states link to their profile. The Holy See, the European Union, the Cook Islands and Niue appear in these tables and are not member states, so they are named without a link rather than attached to the nearest match. The third column carries the depositary’s own annotation. Accession, succession and acceptance are legally distinct from ratification and are shown as the record states them rather than flattened into one word.

Counts verified against the depositary’s own totals for this treaty before publication. The United Nations Treaty Collection is the authority; this page is a readable copy and may lag it.

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