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Registration Number
26369
Title
Montreal Protocol on Substances that Deplete the Ozone Layer
Participant(s)
Submitter
ex officio
Places/dates of conclusion
Place
Date
Montreal
16/09/1987
EIF information
1 January 1989 , in accordance with article 16(1)
Authentic texts
Spanish
Russian
French
English
Chinese
Arabic
Attachments
with annex
ICJ information
Depositary
Secretary-General of the United Nations
Registration Date
ex officio 1 January 1989
Subject terms
Sciences
Montreal Protocol
Environment
Pollution
Agreement type
Multilateral
UNTS Volume Number
1522 (p.3)
Publication format
Full
Certificate Of Registration
Text document(s)
volume-1522-I-26369-English.pdf
volume-1522-I-26369-English_French.pdf
volume-1522-I-26369-French.pdf
volume-1522-I-26369-Other.pdf
Volume In PDF
v1522.pdf
Map(s)
Corrigendum/Addendum/Note
Participant
Action
Date of Notification/Deposit
Date of Effect
Afghanistan
Accession
17/06/2004
15/09/2004
Albania
Accession
08/10/1999
06/01/2000
Algeria
Accession
20/10/1992
18/01/1993
Andorra
Accession
26/01/2009
26/04/2009
Angola
Accession
17/05/2000
15/08/2000
Antigua and Barbuda
Accession
03/12/1992
03/03/1993
Argentina
Signature
29/06/1988
Argentina
Ratification
18/09/1990
17/12/1990
Armenia
Accession
01/10/1999
30/12/1999
Australia
Signature
08/06/1988
Australia
Ratification
19/05/1989
17/08/1989
Austria
Signature
29/08/1988
Austria
Ratification
03/05/1989
01/08/1989
Azerbaijan
Accession
12/06/1996
10/09/1996
Bahamas
Accession
04/05/1993
02/08/1993
Bahrain
Withdrawal of declaration
08/07/2021
Bahrain
Accession
27/04/1990
26/07/1990
Bangladesh
Accession
02/08/1990
31/10/1990
Barbados
Accession
16/10/1992
14/01/1993
Belarus
Signature
22/01/1988
Belgium
Signature
16/09/1987
Belgium
Ratification
30/12/1988
30/03/1989
Belize
Accession
09/01/1998
09/04/1998
Benin
Accession
01/07/1993
29/09/1993
Bhutan
Accession
23/08/2004
21/11/2004
Bolivia
Accession
03/10/1994
01/01/1995
Bolivia
Accession
03/10/1994
01/01/1995
Bosnia and Herzegovina
Succession
01/09/1993
06/03/1992
Botswana
Accession
04/12/1991
03/03/1992
Brazil
Accession
19/03/1990
17/06/1990
Brunei Darussalam
Accession
27/05/1993
25/08/1993
Bulgaria
Accession
20/11/1990
18/02/1991
Burkina Faso
Signature
14/09/1988
Burkina Faso
Ratification
20/07/1989
18/10/1989
Burundi
Accession
06/01/1997
06/04/1997
Byelorussian Soviet Socialist Republic
Acceptance
31/10/1988
01/01/1989
Cambodia
Accession
27/06/2001
25/09/2001
Cameroon
Accession
30/08/1989
28/11/1989
Canada
Signature
16/09/1987
Canada
Ratification
30/06/1988
01/01/1989
Cape Verde
Accession
31/07/2001
29/10/2001
Central African Republic
Accession
29/03/1993
27/06/1993
Chad
Ratification
07/06/1994
05/09/1994
Chile
Signature
14/06/1988
Chile
Ratification
26/03/1990
24/06/1990
China
Accession
14/06/1991
China
Communication
19/10/1999
China
Notification
06/06/1997
01/07/1997
Colombia
Accession
06/12/1993
06/03/1994
Comoros
Accession
31/10/1994
29/01/1995
Congo
Signature
15/09/1988
Congo
Ratification
16/11/1994
14/02/1995
Cook Islands
Accession
22/12/2003
21/03/2004
Costa Rica
Accession
30/07/1991
28/10/1991
Côte d'Ivoire
Accession
05/04/1993
04/07/1993
Croatia
Succession
21/09/1992
08/10/1991
Cuba
Accession
14/07/1992
12/10/1992
Cyprus
Accession
28/05/1992
26/08/1992
Czech Republic
Succession
30/09/1993
01/01/1993
Czechoslovakia
Accession
01/10/1990
30/12/1990
Democratic People's Republic of Korea
Accession
24/01/1995
24/04/1995
Denmark
Signature
16/09/1987
Denmark
Notification
12/02/1997
Denmark
Ratification
16/12/1988
01/01/1989
Denmark
Declaration
20/12/1991
20/12/1991
Djibouti
Accession
30/07/1999
28/10/1999
Dominica
Accession
31/03/1993
29/06/1993
Dominican Republic
Accession
18/05/1993
16/08/1993
Ecuador
Accession
30/04/1990
29/07/1990
Egypt
Signature
16/09/1987
Egypt
Ratification
02/08/1988
01/01/1989
El Salvador
Accession
02/10/1992
31/12/1992
Equatorial Guinea
Accession
06/09/2006
05/12/2006
Eritrea
Accession
10/03/2005
08/06/2005
Estonia
Accession
17/10/1996
15/01/1997
Ethiopia
Accession
11/10/1994
09/01/1995
European Economic Community
Signature
16/09/1987
European Economic Community
Declaration
23/05/1989
European Economic Community
Approval
16/12/1988
16/03/1989
Federal Republic of Germany
Signature
16/09/1987
Federal Republic of Germany
Ratification
16/12/1988
01/01/1989
Fiji
Accession
23/10/1989
21/01/1990
Finland
Signature
16/09/1987
Finland
Acceptance
23/12/1988
01/01/1989
France
Signature
16/09/1987
France
Approval
28/12/1988
01/01/1989
Gabon
Accession
09/02/1994
10/05/1994
Gambia
Accession
25/07/1990
23/10/1990
Georgia
Accession
21/03/1996
19/06/1996
German Democratic Republic
Accession
23/03/1989
25/04/1989
Ghana
Signature
16/09/1987
Ghana
Ratification
14/07/1992
12/10/1992
Ghana
Ratification
24/07/1989
22/10/1989
Greece
Signature
29/10/1987
Greece
Ratification
29/12/1988
29/03/1989
Grenada
Accession
31/03/1993
29/06/1993
Guatemala
Accession
07/11/1989
05/02/1990
Guinea
Accession
25/06/1992
23/09/1992
Guinea-Bissau
Accession
12/11/2002
10/02/2003
Guyana
Accession
12/08/1993
10/11/1993
Haiti
Accession
29/03/2000
27/06/2000
Holy See
Accession
05/05/2008
03/08/2008
Honduras
Accession
14/10/1993
12/01/1994
Hungary
Accession
20/04/1989
19/07/1989
Iceland
Accession
29/08/1989
27/11/1989
India
Accession
19/06/1992
17/09/1992
Indonesia
Signature
21/07/1988
Indonesia
Ratification
26/06/1992
24/09/1992
Iraq
Accession
25/06/2008
23/09/2008
Ireland
Signature
15/09/1988
Ireland
Ratification
16/12/1988
01/01/1989
Islamic Republic of Iran
Accession
03/10/1990
01/01/1991
Israel
Signature
14/01/1988
Israel
Objection
18/07/1990
Israel
Ratification
30/06/1992
28/09/1992
Italy
Signature
16/09/1987
Italy
Ratification
16/12/1988
01/01/1989
Jamaica
Accession
31/03/1993
29/06/1993
Japan
Signature
16/09/1987
Japan
Acceptance
30/09/1988
01/01/1989
Jordan
Accession
31/05/1989
29/08/1989
Kazakhstan
Accession
26/08/1998
24/11/1998
Kenya
Signature
16/09/1987
Kenya
Ratification
09/11/1988
07/02/1989
Kiribati
Accession
07/01/1993
07/04/1993
Kuwait
Accession
23/11/1992
21/02/1993
Kyrgyzstan
Accession
31/05/2000
29/08/2000
Lao People's Democratic Republic
Accession
21/08/1998
19/11/1998
Latvia
Accession
28/04/1995
27/07/1995
Lebanon
Accession
31/03/1993
29/06/1993
Lesotho
Accession
25/03/1994
23/06/1994
Liberia
Accession
15/01/1996
14/04/1996
Libyan Arab Jamahiriya
Accession
11/07/1990
09/10/1990
Liechtenstein
Accession
08/02/1989
09/05/1989
Lithuania
Accession
18/01/1995
18/04/1995
Luxembourg
Signature
29/01/1988
Luxembourg
Ratification
17/10/1988
15/01/1989
Madagascar
Accession
07/11/1996
05/02/1997
Malawi
Accession
09/01/1991
09/04/1991
Malaysia
Accession
29/08/1989
27/11/1989
Maldives
Signature
12/07/1988
Maldives
Ratification
16/05/1989
14/08/1989
Mali
Accession
28/10/1994
26/01/1995
Malta
Signature
15/09/1988
Malta
Ratification
29/12/1988
01/01/1989
Malta
Acceptance of amendments
04/02/1994
05/05/1994
Marshall Islands
Accession
11/03/1993
09/06/1993
Mauritania
Accession
26/05/1994
24/08/1994
Mauritius
Accession
18/08/1992
16/11/1992
Mexico
Signature
16/09/1987
Mexico
Acceptance
31/03/1988
01/01/1989
Micronesia (Federated States of)
Accession
06/09/1995
05/12/1995
Monaco
Accession
12/03/1993
10/06/1993
Mongolia
Accession
07/03/1996
05/06/1996
Montenegro
Succession
23/10/2006
03/06/2006
Morocco
Signature
07/01/1988
Morocco
Ratification
28/12/1995
27/03/1996
Mozambique
Accession
09/09/1994
08/12/1994
Myanmar
Accession
24/11/1993
22/02/1994
Namibia
Accession
20/09/1993
19/12/1993
Nauru
Accession
12/11/2001
10/02/2002
Nepal
Accession
06/07/1994
04/10/1994
Netherlands
Signature
16/09/1987
Netherlands
Acceptance
16/12/1988
01/01/1989
New Zealand
Signature
16/09/1987
New Zealand
Ratification
21/07/1988
01/01/1989
Nicaragua
Accession
05/03/1993
03/06/1993
Niger
Accession
09/10/1992
07/01/1993
Nigeria
Accession
31/10/1988
29/01/1989
Niue
Accession
22/12/2003
21/03/2004
None
Entry into force of amendment
22/09/1993
None
Accession
29/07/1998
None
Adoption
01/01/1997
None
Adoption of Adjustments
14/11/2007
None
Entry into force of annex
27/05/1992
None
Amendment
05/08/1996
05/08/1996
None
Entry into force of adjustments
07/03/1991
07/03/1991
None
Rectification
10/04/1994
10/04/1994
None
Entry into force
28/07/2000
28/07/2000
Norway
Signature
16/09/1987
Norway
Ratification
24/06/1988
01/01/1989
Oman
Accession
30/06/1999
28/09/1999
Pakistan
Accession
18/12/1992
18/03/1993
Palau
Accession
29/05/2001
27/08/2001
Panama
Signature
16/09/1987
Panama
Ratification
03/03/1989
01/06/1989
Papua New Guinea
Accession
27/10/1992
25/02/1993
Paraguay
Accession
03/12/1992
03/03/1993
Peru
Accession
31/03/1993
29/06/1993
Philippines
Signature
14/09/1988
Philippines
Ratification
17/07/1991
15/10/1991
Poland
Accession
13/07/1990
11/10/1990
Portugal
Communication
21/10/1999
Portugal
Signature
16/09/1987
Portugal
Ratification
17/10/1988
15/01/1989
Portugal
Notification
15/02/1994
15/02/1994
Qatar
Accession
22/01/1996
21/04/1996
Republic of Korea
Accession
27/02/1992
27/05/1992
Republic of Moldova
Accession
24/10/1996
22/01/1997
Romania
Accession
27/01/1993
27/04/1993
Rwanda
Accession
11/10/2001
09/01/2002
Samoa
Accession
21/12/1992
21/03/1993
San Marino
Accession
23/04/2009
22/07/2009
Sao Tome and Principe
Accession
19/11/2001
17/02/2002
Saudi Arabia
Accession
01/03/1993
30/05/1993
Senegal
Signature
16/09/1987
Senegal
Ratification
06/05/1993
04/08/1993
Seychelles
Accession
06/01/1993
06/04/1993
Sierra Leone
Accession
29/08/2001
27/11/2001
Singapore
Accession
05/01/1989
05/04/1989
Singapore
Notification
20/04/1993
20/04/1993
Singapore
Notification
27/05/1992
27/05/1992
Slovakia
Succession
28/05/1993
01/01/1993
Slovenia
Succession
06/07/1992
25/06/1991
Solomon Islands
Accession
17/06/1993
15/09/1993
Somalia
Accession
01/08/2001
30/10/2001
South Africa
Accession
15/01/1990
15/04/1990
South Sudan
Accession
12/01/2012
11/04/2012
Spain
Signature
21/07/1988
Spain
Ratification
16/12/1988
01/01/1989
Sri Lanka
Accession
15/12/1989
15/03/1990
St. Kitts and Nevis
Accession
10/08/1992
08/11/1992
St. Lucia
Accession
28/07/1993
26/10/1993
St. Vincent and the Grenadines
Accession
02/12/1996
02/03/1997
State of Palestine
Accession
18/03/2019
16/06/2019
Sudan
Accession
29/01/1993
29/04/1993
Suriname
Accession
14/10/1997
12/01/1998
Swaziland
Accession
10/11/1992
08/02/1993
Sweden
Signature
16/09/1987
Sweden
Ratification
29/06/1988
01/01/1989
Switzerland
Signature
16/09/1987
Switzerland
Ratification
28/12/1988
01/01/1989
Syrian Arab Republic
Accession
12/12/1989
12/03/1990
Tajikistan
Accession
07/01/1998
07/04/1998
Thailand
Signature
15/09/1988
Thailand
Ratification
07/07/1989
05/10/1989
The former Yugoslav Republic of Macedonia
Succession
10/03/1994
17/11/1991
Timor-Leste
Accession
16/09/2009
15/12/2009
Togo
Signature
16/09/1987
Togo
Ratification
25/02/1991
26/05/1991
Tonga
Accession
29/07/1998
27/10/1998
Trinidad and Tobago
Accession
28/08/1989
26/11/1989
Tunisia
Accession
25/09/1989
24/12/1989
Turkey
Accession
20/09/1991
19/12/1991
Turkmenistan
Accession
18/11/1993
16/02/1994
Tuvalu
Accession
15/07/1993
13/10/1993
Uganda
Signature
15/09/1988
Uganda
Ratification
15/09/1988
01/01/1989
Ukrainian Soviet Socialist Republic
Signature
18/02/1988
Ukrainian Soviet Socialist Republic
Acceptance
20/09/1988
01/01/1989
Union of Soviet Socialist Republics
Signature
29/12/1987
Union of Soviet Socialist Republics
Acceptance
10/11/1988
01/01/1989
United Arab Emirates
Accession
22/12/1989
22/03/1990
United Kingdom of Great Britain and Northern Ireland
Objection
02/08/1990
United Kingdom of Great Britain and Northern Ireland
Notification
10/06/1997
United Kingdom of Great Britain and Northern Ireland
Signature
16/09/1987
United Kingdom of Great Britain and Northern Ireland
Communication
27/01/1993
United Kingdom of Great Britain and Northern Ireland
Ratification
16/12/1988
01/01/1989
United Kingdom of Great Britain and Northern Ireland
Territorial application
30/08/1990
30/08/1990
United Republic of Tanzania
Accession
16/04/1993
15/07/1993
United States of America
Signature
16/09/1987
United States of America
Ratification
21/04/1988
01/01/1989
Uruguay
Accession
08/01/1991
08/04/1991
Uzbekistan
Accession
18/05/1993
16/08/1993
Vanuatu
Accession
21/11/1994
19/02/1995
Venezuela
Signature
16/09/1987
Venezuela
Ratification
06/02/1989
07/05/1989
Viet Nam
Accession
26/01/1994
26/04/1994
Yemen Arab Republic
Accession
21/02/1996
21/05/1996
Yugoslavia (Federal Republic of)
Succession
12/03/2001
27/04/1992
Yugoslavia (Socialist Federal Republic of)
Accession
03/01/1991
03/04/1991
Zaire
Accession
30/11/1994
28/02/1995
Zambia
Accession
24/01/1990
24/04/1990
Zimbabwe
Accession
03/11/1992
01/02/1993
Partial Publication
Limited Publication
In some specific instances, the UN Secretariat has the discretion not to publish certain elements of a treaty in the UNTS. In contrast to the Limited Publication Policy when the full text of an agreement may not be reproduced in the UNTS in its entirety, the objective of applying the partial publication method to a particular situation is to speed up the publishing effort by e.g. excluding certain highly technical and voluminous annexes, lengthy lists of products or schedules of service/product specifications which are otherwise available from the registering party. This is done to facilitate and make more cost –effective the translation effort and to expedite the publication of such agreements in the UNTS. The partial publication approach is a historically established practice which has been followed since the inception of the UNTS. For further information and assistance, if required, with a partially reproduced text(s), kindly contact the Treaty Section, OLA by phone at (212) 963-5047 or e-mail to
treatyregistration@un.org
Not published in print, in accordance with article 12(2) of the General Assembly regulations to give effect to Article 102 of the Charter of the United Nations, as amended, and the publication practice of the Secretariat. For further information, you may wish to contact the Treaty Section, OLA, via online
“Contact Us”
form, by email to:
untcadmin@un.org
or by phone at (212) 963-5047.