Vienna Convention on the Law of Treaties

Coming into Force27 Jan 1980
CitationUNTS v. 1155 (p.331)
Date of Conclusion23 May 1969
Registration Date27 Jan 1980
Registration Number18232
Party submitting the application for registrationex officio
Subject TermsLegal matters,Law of Treaties,Treaties-Agreements (application)
DepositarySecretary-General of the United Nations
ParticipantsAfganistán,Albania,Argelia,Andorra,Argentina,Armenia,Australia,Austria,Azerbaiján,Barbados,Bélgica,Benin,Bolivia,Bosnia & Herzegovina,Brasil,Bulgaria,Burkina Faso,Byelorussian Soviet Socialist Republic,Camboya,Camerún,Canada,Central African Republic,Chile,China,Colombia,Congo,Costa Rica,Côte d'Ivoire,Croacia,Cuba,Cyprus,Czech Republic,Czechoslovakia,Dinamarca,República Dominicana,Ecuador,Egipto,El Salvador,Estonia,Ethiopia,Federal Republic of Germany,Finlandia,Gabon,Georgia,German Democratic Republic,Germany,Ghana,Greece,Guatemala,Guinea,Guyana,Haiti,Holy See,Honduras,Hungria,Iran (Islamic Republic of),Ireland,Israel,Italia,Jamaica,Japón,Kazakhstan,Kenya,Kiribati,Kuwait,Kyrgyzstan,Lao People's Democratic Republic,Latvia,Lesotho,Liberia,Libyan Arab Jamahiriya,Liechtenstein,Lithuania,Luxembourg,Madagascar,Malawi,Malaysia,Maldives,Mali,Malta,Mauritius,México,Mongolia,Montenegro,Morocco,Mozambique,Myanmar,Nauru,Nepal,Holanda,New Zealand,Niger,Nigeria,None,Oman,Pakistán,Panamá,Paraguay,Perú,Philippines,Polonia,Portugal,Republic of Korea,Republic of Moldova,Rwanda,Saudi Arabia,Senegal,Eslovaquia,Eslovenia,Solomon Islands,España,St. Vincent and the Grenadines,State of Palestine,Sudan,Suriname,Suecia,Suiza,Syrian Arab Republic,Tajikistan,The former Yugoslav Republic of Macedonia,Timor-Leste,Togo,Trinidad and Tobago,Tunisia,Turkmenistan,Ukrainian Soviet Socialist Republic,Union of Soviet Socialist Republics,United Kingdom of Great Britain and Northern Ireland,United Republic of Tanzania,United States,Uruguay,Uzbekistan,Viet Nam,Yugoslavia (Federal Republic of),Yugoslavia (Socialist Federal Republic of),Zaire,Zambia
No.
18232
MULTILATERAL
Vienna
Convention
on
the
law
of
treaties
(with
annex).
Concluded
at
Vienna
on
23
May
1969
Authentic
texts:
English,
French,
Chinese,
Russian
and
Spanish.
Registered
ex
officio
on
27
January
1980.
MULTILATERAL
Convention
de
Vienne
sur le
droit
des
traités
(avec
annexe).
Conclue
à
Vienne
le
23
mai
1969
Textes
authentiques
:
anglais,
français,
chinois,
russe
et
espagnol.
Enregistrée
d'office
le
27
janvier
1980.
Vol.
1155,1-18232
332
United
Nations
Treaty
Series
Nations
Unies
Recueil
des Traités
1980
VIENNA CONVENTION
1
ON
THE
LAW
OF
TREATIES
The
States
Parties
to
the
present
Convention,
Considering
the
fundamental
role
of
treaties
in
the
history
of
international
rela
tions,
Recognizing
the
ever-increasing
importance
of
treaties
as
a
source
of
interna
tional
law
and
as
a
means
of
developing
peaceful
co-operation
among
nations,
whatever
their
constitutional
and
social
systems,
Noting
that
the
principles
of
free
consent
and
of
good
faith
and
the
pacta
sunt
servanda
rule
are
universally
recognized,
Affirming
that
disputes
concerning
treaties,
like
other
international
disputes,
should
be
settled
by
peaceful
means
and
in
conformity
with
the
principles
of
justice
and
international
law,
Recalling
the
determination
of
the
peoples
of
the
United
Nations
to establish
conditions
under
which
justice
and
respect
for
the
obligations
arising
from
treaties
can
be
maintained,
Having
in
mind
the
principles
of
international
law
embodied
in
the
Charter
of
the
United
Nations,
such
as
the
principles
of
the
equal
rights
and self-determination
of
peoples,
of
the
sovereign
equality
and
independence
of
all
States,
of
non
interference
in
the
domestic
affairs
of
States,
of
the
prohibition
of
the
threat
or
use
of
force
and
of
universal
respect
for,
and
observance
of,
human
rights
and
fundamental
freedoms
for
all,
1
Came
into force
on
27
January
1980,
i.e.,
on
the
thirtieth
day
following
the
date
of
deposit
of
the
thirty-fifth
instru
ment
of
ratification
or
accession
with
the
Secretary-General
of
the
United
Nations,
in
accordance
with
article
84 (1):
State
Argentina
.......\,..........
5
December
Australia
...
K"..............
13
June
Austria
.....v..............
30
April
Barbados
,
.K'................
24
June
Canada*
......
v:............
14
October
Central
African
Republic
,
!/..
10
December
Cyprus
..
.i/.................
28
December
Denmark*
........ff.........
1
June
Finland
......
v:............
19
August
Greece
....
\/.
...............
30
October
Holy
See
..
.y................
25
February
Honduras
....
V
.V............
20
September
Italy
......./
............
25
July
Jamaica
....
^r..............
28
July
Kuwait*
......V.............
11
November
Lesotho
......
K"............
3
March
Mauritius
.......
X'...........
18
January
Mexico
..
...v'..............
25
September
Dole
of
deposit
of
the
instrument
of
ratification
or
accession
(a)
1972
1974o
1979
a
1971
1970a
1971
a
1976o
1976
1977
1974'a
1977
1979
1974
1970
1975
a
19720
Stale
Date
of
deposit
of
the
instrument
of
ratification
or
accession
(z
Morocco
...X.............
26
September
1972
Nauru
..
t,..................
5
May
1978
a
New
Zealand
...
,Y...........
4
August
1971
Niger
..........
y...........
27
October
1971
a
Nigeria
..
,v<................
31
July
1969
Paraguay
......
i.-:..........
3
February
1972
a
Philippines
......
A^/:.
.......
15
November
1972
Republic
of
Korea
...
.fc-.......
27
April
1977
Spain
.......v..............
16
May
1972 a
Sweden
.
.v..................
4
February
1975
Syrian
Arab
Republic*
..is..,,.
2
October
1970 o
Togo
.....
...K.
.............
28
December
1979
o
Tunisia*
..
1^................
23
June
19710
United
Kingdom
of
Great
Britain
and
Northern
Ireland*
.,.
U
.
25
June
United
Republic
of
Tanzania*
v,
12
April
Yugoslavia
._.
i_<<.............
27
August
Zaire
..
.vf..................
25
July
1971
1976 o
1973
a
Yugoslavia
.,
i_<<.............
27
August
1970
1974
Zaire
..
.^.................
25
July
1977
a
Subsequently,
the
Convention
came
into
force
for
the
following
State
on
the
thirtieth
day
following
the
date
of
deposit
of
its
instrument
of
ratification
or
accession
with
the
Secretary-General
of
the
United
Nations,
in
accordance
with
article
84
(2):
Dale
of
deposit
of
the
State
instrument
of
accession
(&}
Rwanda
...........................................................
3
January
1980
a
(With
effect
from
2
February
1980.)
*
For
the
texts
of
the
reservations
and
declarations
made
upon
ratification
or
accession,
see
p.
501
of
this
volume.
Vol.
1155,1-18232
1980_____United
Nations
Treaty
Series
Nations
Unies
Recueil
des
Traités
333
Believing
that
the
codification
and
progressive
development
of
the
law
of
treaties
achieved
in
the
present
Convention
will
promote
the
purposes
of
the
United
Nations
set
forth
in
the
Charter,
namely,
the
maintenance
of
international
peace
and
security,
the
development
of
friendly
relations
and
the
achievement
of
co-operation
among
nations,
Affirming
that
the
rules
of
customary
international
law
will
continue
to
govern
questions
not
regulated
by
the
provisions
of
the
present
Convention,
Have
agreed
as
follows:
PART
i.
INTRODUCTION
Article
1. SCOPE
OF
THE
PRESENT
CONVENTION
The
present
Convention
applies
to
treaties
between
States.
Article
2.
USE
OF
TERMS
1.
For
the
purposes
of
the
present Convention:
(a)
"Treaty"
means
an
international
agreement
concluded
between
States
in
written
form
and
governed
by
international
law,
whether
embodied
in
a
single
instru
ment
or
in
two
or
more
related
instruments
and
whatever
its
particular
designation;
(b)
"Ratification",
"acceptance",
"approval"
and
"accession"
mean
in
each
case
the
international
act
so
named
whereby
a
State
establishes
on
the
international
plane
its
consent
to
be
bound
by
a
treaty;
(c)
"Full
powers"
means
a
document emanating
from
the
competent
authority
of
a
State
designating
a
person
or
persons
to
represent
the
State
for
negotiating,
adopting
or
authenticating
the
text
of
a
treaty,
for
expressing
the
consent
of
the
State
to
be
bound
by
a
treaty,
or
for
accomplishing
any
other
act
with
respect
to
a
treaty;
(d)
"Reservation"
means
a
unilateral
statement,
however
phrased or
named,
made
by
a
State,
when
signing,
ratifying,
accepting,
approving
or
acceding
to
a
treaty,
whereby
it
purports
to
exclude
or
to
modify
the
legal
effect
of
certain
provisions
of
the
treaty
in
their
application
to
that
State;
(e)
"Negotiating State"
means
a
State
which
took
part
in
the
drawing
up
and
adoption
of
the
text
of
the treaty;
(/)
"Contracting
State"
means
a
State
which
has
consented
to
be
bound
by
the
treaty,
whether
or
not
the
treaty
has
entered
into
force;
(g)
"Party"
means
a
State
which
has
consented
to
be
bound
by
the
treaty
and
for
which
the
treaty
is
in
force;
Qi)
"Third
State"
means
a
State
not
a
party
to
the treaty;
(/)
"International
organization"
means
an
intergovernmental organization.
2.
The
provisions
of
paragraph
1
regarding
the
use
of
terms
in
the
present
Convention
are
without
prejudice
to
the
use
of
those
terms
or
to the
meanings
which
may
be
given
to
them
in
the
internal
law
of
any
State.
Article
3.
INTERNATIONAL
AGREEMENTS NOT
WITHIN
THE
SCOPE
OF
THE
PRESENT
CONVENTION
The
fact
that
the
present
Convention
does
not
apply
to
international
agreements
concluded
between
States
and
other
subjects
of
international
law
or
between
such
other
subjects
of
international
law,
or
to
international
agreements
not
in
written
form,
shall
not
affect:
Vol.
1155,
1-18232

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