Vienna Convention on the Law of Treaties.   Vienna, 23 May 1969

ReferenceXXIII-1
XXIII 1. LAW OF TREATIES 1
CHAPTER XXIII
LAW OF TREATIES
1. VIENNA CONVENTION ON THE LAW OF TREATIES
Vienna, 23 May 1969
.
ENTRY INTO FORCE: 27 January 1980, in accordance with article 84(1).
REGISTRATION: 27 January 1980, No. 18232.
STATUS: Signatories: 45. Parties: 116.
TEXT: United Nations, Treaty Series , vol. 1155, p. 331.
Note: The Convention was adopted on 22 May 1969 and opened for signature on 23 May 1969 by the United Nations
Conference on the Law of Treaties. The Conference was convened pursuant to General Assembly resolutions 2166 (XXI)1 of
5 December 1966 and 2287 (XXII)2of 6 December 1967. The Conference held two sessions, both at the Neue Hofburg in
Vienna, the first session from 26 March to 24 May 1968 and the second session from 9 April to 22 May 1969. In addition to
the Convention, the Conference adopted the Final Act and certain declarations and resolutions, which are annexed to that Act.
By unanimous decision of the Conference, the original of the Final Act was deposited in the archives of the Federal Ministry
for Foreign Affairs of Austria. The text of the Final Act is included in document A/CONF.39/11/Add.2.
.
Participant
Signature
Accession(a),
Succession(d),
Ratification
Afghanistan..................................................
23 May 1969
Albania.........................................................
27 Jun 2001 a
Algeria .........................................................
8 Nov 1988 a
Andorra........................................................
5 Apr 2004 a
Argentina .....................................................
23 May 1969
5 Dec 1972
Armenia .......................................................
17 May 2005 a
Australia.......................................................
13 Jun 1974 a
Austria .........................................................
30 Apr 1979 a
Azerbaijan....................................................
11 Jan 2018 a
Barbados ......................................................
23 May 1969
24 Jun 1971
Belarus.........................................................
1 May 1986 a
Belgium .......................................................
1 Sep 1992 a
Benin............................................................
2 Nov 2017 a
Bolivia (Plurinational
State of)..................................................
23 May 1969
Bosnia and
Herzegovina3..........................................
1 Sep 1993 d
Brazil ...........................................................
23 May 1969
25 Sep 2009
Bulgaria .......................................................
21 Apr 1987 a
Burkina Faso................................................
25 May 2006 a
Cambodia.....................................................
23 May 1969
Cameroon.....................................................
23 Oct 1991 a
Canada .........................................................
14 Oct 1970 a
Participant
Signature
Accession(a),
Succession(d),
Ratification
Central African
Republic.................................................
10 Dec 1971 a
Chile.............................................................
23 May 1969
9 Apr 1981
China4..........................................................
3 Sep 1997 a
Colombia .....................................................
23 May 1969
10 Apr 1985
Congo...........................................................
23 May 1969
12 Apr 1982
Costa Rica....................................................
23 May 1969
22 Nov 1996
Côte d'Ivoire ................................................
23 Jul 1969
Croatia3........................................................
12 Oct 1992 d
Cuba.............................................................
9 Sep 1998 a
Cyprus..........................................................
28 Dec 1976 a
Czech Republic5..........................................
22 Feb 1993 d
Democratic Republic of
the Congo...............................................
25 Jul 1977 a
Denmark ......................................................
18 Apr 1970
1 Jun 1976
Dominican Republic ....................................
1 Apr 2010 a
Ecuador........................................................
23 May 1969
11 Feb 2005
Egypt............................................................
11 Feb 1982 a
El Salvador ..................................................
16 Feb 1970
Estonia .........................................................
21 Oct 1991 a
Ethiopia........................................................
30 Apr 1970
Finland.........................................................
23 May 1969
19 Aug 1977
Gabon...........................................................
5 Nov 2004 a
Georgia ........................................................
8 Jun 1995 a
XXIII 1. LAW OF TREATIES 2
Participant
Signature
Accession(a),
Succession(d),
Ratification
Germany6,7 ...................................................
30 Apr 1970
21 Jul 1987
Ghana...........................................................
23 May 1969
Greece..........................................................
30 Oct 1974 a
Guatemala....................................................
23 May 1969
21 Jul 1997
Guinea..........................................................
16 Sep 2005 a
Guyana.........................................................
23 May 1969
15 Sep 2005
Haiti .............................................................
25 Aug 1980 a
Holy See ......................................................
30 Sep 1969
25 Feb 1977
Honduras......................................................
23 May 1969
20 Sep 1979
Hungary .......................................................
19 Jun 1987 a
Iran (Islamic Republic
of)...........................................................
23 May 1969
Ireland..........................................................
7 Aug 2006 a
Italy..............................................................
22 Apr 1970
25 Jul 1974
Jamaica ........................................................
23 May 1969
28 Jul 1970
Japan ............................................................
2 Jul 1981 a
Kazakhstan...................................................
5 Jan 1994 a
Kenya...........................................................
23 May 1969
Kiribati.........................................................
15 Sep 2005 a
Kuwait .........................................................
11 Nov 1975 a
Kyrgyzstan...................................................
11 May 1999 a
Lao People's
Democratic
Republic.................................................
31 Mar 1998 a
Latvia...........................................................
4 May 1993 a
Lesotho ........................................................
3 Mar 1972 a
Liberia..........................................................
23 May 1969
29 Aug 1985
Libya............................................................
22 Dec 2008 a
Liechtenstein................................................
8 Feb 1990 a
Lithuania......................................................
15 Jan 1992 a
Luxembourg.................................................
4 Sep 1969
23 May 2003
Madagascar..................................................
23 May 1969
Malawi.........................................................
23 Aug 1983 a
Malaysia.......................................................
27 Jul 1994 a
Maldives ......................................................
14 Sep 2005 a
Mali..............................................................
31 Aug 1998 a
Malta............................................................
26 Sep 2012 a
Mauritius......................................................
18 Jan 1973 a
Mexico.........................................................
23 May 1969
25 Sep 1974
Mongolia......................................................
16 May 1988 a
Montenegro8................................................
23 Oct 2006 d
Morocco.......................................................
23 May 1969
26 Sep 1972
Mozambique ................................................
8 May 2001 a
Myanmar......................................................
16 Sep 1998 a
Nauru ...........................................................
5 May 1978 a
Participant
Signature
Accession(a),
Succession(d),
Ratification
Nepal............................................................
23 May 1969
Netherlands9.................................................
9 Apr 1985 a
New Zealand................................................
29 Apr 1970
4 Aug 1971
Niger ............................................................
27 Oct 1971 a
Nigeria .........................................................
23 May 1969
31 Jul 1969
North Macedonia3........................................
8 Jul 1999 d
Oman ...........................................................
18 Oct 1990 a
Pakistan........................................................
29 Apr 1970
Panama.........................................................
28 Jul 1980 a
Paraguay ......................................................
3 Feb 1972 a
Peru..............................................................
23 May 1969
14 Sep 2000
Philippines ...................................................
23 May 1969
15 Nov 1972
Poland ..........................................................
2 Jul 1990 a
Portugal........................................................
6 Feb 2004 a
Republic of Korea10 .....................................
27 Nov 1969
27 Apr 1977
Republic of Moldova...................................
26 Jan 1993 a
Russian Federation ......................................
29 Apr 1986 a
Rwanda ........................................................
3 Jan 1980 a
Saudi Arabia ................................................
14 Apr 2003 a
Senegal.........................................................
11 Apr 1986 a
Serbia3..........................................................
12 Mar 2001 d
Slovakia5......................................................
28 May 1993 d
Slovenia3......................................................
6 Jul 1992 d
Solomon Islands ..........................................
9 Aug 1989 a
Spain ............................................................
16 May 1972 a
St. Vincent and the
Grenadines .............................................
27 Apr 1999 a
State of Palestine .........................................
2 Apr 2014 a
Sudan ...........................................................
23 May 1969
18 Apr 1990
Suriname......................................................
31 Jan 1991 a
Sweden.........................................................
23 Apr 1970
4 Feb 1975
Switzerland ..................................................
7 May 1990 a
Syrian Arab Republic ..................................
2 Oct 1970 a
Tajikistan .....................................................
6 May 1996 a
Timor-Leste .................................................
8 Jan 2013 a
Togo.............................................................
28 Dec 1979 a
Trinidad and Tobago ...................................
23 May 1969
Tunisia .........................................................
23 Jun 1971 a
Turkmenistan...............................................
4 Jan 1996 a
Ukraine ........................................................
14 May 1986 a
United Kingdom of
Great Britain and
Northern Ireland.....................................
20 Apr 1970
25 Jun 1971
United Republic of
Tanzania.................................................
12 Apr 1976 a

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