The Antarctic Treaty 

Done at Washington 1 December 1959 

Entered into force 23 June 1961 

The Governments of Argentina, Australia, Belgium, Chile, the 
French Republic, Japan, New Zealand, Norway, the Union of South 
Africa, the Union of Soviet Socialist Republics, the United 
Kingdom of Great Britain and Northern Ireland, and the United 
States of America, 

RECOGNIZING that it is in the interest of all mankind that 
Antarctica shall continue for ever to be used exclusively for 
peaceful purposes and shall not become the scene or object of 
international discord; 

ACKNOWLEDGING the substantial contributions to scientific 
knowledge resulting from international cooperation in scientific 
investigation in Antarctica; 

CONVINCED that the establishment of a firm foundation for the 
continuation and development of such cooperation on the basis of 
freedom of scientific investigation in Antarctica as applied 
during the International Geophysical Year accords with the 
interests of science and the progress of all mankind; 

CONVINCED also that a treaty ensuring the use of Antarctica for 
peaceful purposes only and the continuance of international 
harmony in Antarctica will further the purposes and principles 
embodied in the Charter of the United Nations; 

Have agreed as follows: 

Article I 

1. Antarctica shall be used for peaceful purposes only. There 
shall be prohibited, inter alia, any measure of a military 
nature, such as the establishment of military bases and 
fortifications, the carrying out of military manoeuvres, as well 
as the testing of any type of weapon. 

2. The present Treaty shall not prevent the use of military 
personnel or equipment for scientific research or for any other 
peaceful purpose. 

Article II 

Freedom of scientific investigation in Antarctica and 
cooperation toward that end, as applied during the International 
Geophysical Year, shall continue, subject to the provisions of 
the present Treaty. 

Article III 

1. In order to promote international cooperation in scientific 
investigation in Antarctica, as provided for in Article II of 
the present Treaty, the Contracting Parties agree that, to the 
greatest extent feasible and practicable: 

a. information regarding plans for scientific programs in 
Antarctica shall be exchanged to permit maximum economy of and 
efficiency of operations; 

b. scientific personnel shall be exchanged in Antarctica between 
expeditions and stations; 

c. scientific observations and results from Antarctica shall be 
exchanged and made freely available. 

Article IV 

Nothing contained in the present Treaty shall be interpreted as: 

a. a renunciation by any Contracting Party of previously 
asserted rights of or claims to territorial sovereignty in 
Antarctica; 

b. a renunciation or diminution by any Contracting Party of any 
basis of claim to territorial sovereignty in Antarctica which it 
may have whether as a result of its activities or those of its 
nationals in Antarctica, or otherwise; 

c. prejudicing the position of any Contracting Party as regards 
its recognition or non-recognition of any other State's rights 
of or claim or basis of claim to territorial sovereignty in 
Antarctica. 

No acts or activities taking place while the present Treaty is 
in force shall constitute a basis for asserting, supporting or 
denying a claim to territorial sovereignty in Antarctica or 
create any rights of sovereignty in Antarctica. No new claim, or 
enlargement of an existing claim, to territorial sovereignty in 
Antarctica shall be asserted while the present Treaty is in 
force. 

Article V 

1. Any nuclear explosions in Antarctica and the disposal there 
of radioactive waste material shall be prohibited. 

2. In the event of the conclusion of international agreements 
concerning the use of nuclear energy, including nuclear 
explosions and the disposal of radioactive waste material, to 
which all of the Contracting Parties whose representatives are 
entitled to participate in the meetings provided for under 
Article IX are parties, the rules established under such 
agreements shall apply in Antarctica. 

Article VI 

The provisions of the present Treaty shall apply to the area 
south of 60 deg. South Latitude, including all ice shelves, but 
nothing in the present Treaty shall prejudice or in any way 
affect the rights, or the exercise of the rights, of any State 
under international law with regard to the high seas within that 
area. 

Article VII 

1. In order to promote the objectives and ensure the observance 
of the provisions of the present Treaty, each Contracting Party 
whose representatives are entitled to participate in the 
meetings referred to in Article IX of the Treaty shall have the 
right to designate observers to carry out any inspection 
provided for by the present Article. Observers shall be 
nationals of the Contracting Parties which designate them. The 
names of observers shall be communicated to every other 
Contracting Party having the right to designate observers, and 
like notice shall be given of the termination of their 
appointment. 

2. Each observer designated in accordance with the provisions of 
paragraph 1 of this Article shall have complete freedom of 
access at any time to any or all areas of Antarctica. 

3. All areas of Antarctica, including all stations, 
installations and equipment within those areas, and all ships 
and aircraft at points of discharging or embarking cargoes or 
personnel in Antarctica, shall be open at all times to 
inspection by any observers designated in accordance with 
paragraph 1 of this Article. 

4. Aerial observation may be carried out at any time over any or 
all areas of Antarctica by any of the Contracting Parties having 
the right to designate observers. 

5. Each Contracting Party shall, at the time when the present 
Treaty enters into force for it, inform the other Contracting 
Parties, and thereafter shall give them notice in advance, of 

a. all expeditions to and within Antarctica, on the part of its 
ships or nationals, and all expeditions to Antarctica organized 
in or proceeding from its territory; 

b. all stations in Antarctica occupied by its nationals; and 

c. any military personnel or equipment intended to be introduced 
by it into Antarctica subject to the conditions prescribed in 
paragraph 2 of Article I of the present Treaty. 

Article VIII 

1. In order to facilitate the exercise of their functions under 
the present Treaty, and without prejudice to the respective 
positions of the Contracting Parties relating to jurisdiction 
over all other persons in Antarctica, observers designated under 
paragraph 1 of Article VII and scientific personnel exchanged 
under sub-paragraph 1(b) of Article III of the Treaty, and 
members of the staffs accompanying any such persons, shall be 
subject only to the jurisdiction of the Contracting Party of 
which they are nationals in respect of all acts or omissions 
occurring while they are in Antarctica for the purpose of 
exercising their functions. 

2. Without prejudice to the provisions of paragraph 1 of this 
Article, and pending the adoption of measures in pursuance of 
subparagraph 1(e) of Article IX, the Contracting Parties 
concerned in any case of dispute with regard to the exercise of 
jurisdiction in Antarctica shall immediately consult together 
with a view to reaching a mutually acceptable solution. 

Article IX 

1. Representatives of the Contracting Parties named in the 
preamble to the present Treaty shall meet at the City of 
Canberra within two months after the date of entry into force of 
the Treaty, and thereafter at suitable intervals and places, for 
the purpose of exchanging information, consulting together on 
matters of common interest pertaining to Antarctica, and 
formulating and considering, and recommending to their 
Governments, measures in furtherance of the principles and 
objectives of the Treaty, including measures regarding: 

a. use of Antarctica for peaceful purposes only; 

b. facilitation of scientific research in Antarctica; 

c. facilitation of international scientific cooperation in 
Antarctica; 

d. facilitation of the exercise of the rights of inspection 
provided for in Article VII of the Treaty; 

e. questions relating to the exercise of jurisdiction in 
Antarctica; 

f. preservation and conservation of living resources in 
Antarctica. 

2. Each Contracting Party which has become a party to the 
present Treaty by accession under Article XIII shall be entitled 
to appoint representatives to participate in the meetings 
referred to in paragraph 1 of the present Article, during such 
times as that Contracting Party demonstrates its interest in 
Antarctica by conducting substantial research activity there, 
such as the establishment of a scientific station or the 
despatch of a scientific expedition. 

3. Reports from the observers referred to in Article VII of the 
present Treaty shall be transmitted to the representatives of 
the Contracting Parties participating in the meetings referred 
to in paragraph 1 of the present Article. 

4. The measures referred to in paragraph 1 of this Article shall 
become effective when approved by all the Contracting Parties 
whose representatives were entitled to participate in the 
meetings held to consider those measures. 

5. Any or all of the rights established in the present Treaty 
may be exercised as from the date of entry into force of the 
Treaty whether or not any measures facilitating the exercise of 
such rights have been proposed, considered or approved as 
provided in this Article. 

Article X 

Each of the Contracting Parties undertakes to exert appropriate 
efforts, consistent with the Charter of the United Nations, to 
the end that no one engages in any activity in Antarctica 
contrary to the principles or purposes of the present Treaty. 

ArticleXI 

1. If any dispute arises between two or more of the Contracting 
Parties concerning the interpretation or application of the 
present Treaty, those Contracting Parties shall consult among 
themselves with a view to having the dispute resolved by 
negotiation, inquiry, mediation, conciliation, arbitration, 
judicial settlement or other peaceful means of their own choice. 

2. Any dispute of this character not so resolved shall, with the 
consent, in each case, of all parties to the dispute, be 
referred to the International Court of Justice for settlement; 
but failure to reach agreement on reference to the International 
Court shall not absolve parties to the dispute from the 
responsibility of continuing to seek to resolve it by any of the 
various peaceful means referred to in paragraph 1 of this 
Article. 

Article XII 

1a. The present Treaty may be modified or amended at any time by 
unanimous agreement of the Contracting Parties whose 
representatives are entitled to participate in the meetings 
provided for under Article IX. Any such modification or 
amendment shall enter into force when the depositary Government 
has received notice from all such Contracting Parties that they 
have ratified it. 

b. Such modification or amendment shall thereafter enter into 
force as to any other Contracting Party when notice of 
ratification by it has been received by the depositary 
Government. Any such Contracting Party from which no notice of 
ratification is received within a period of two years from the 
date of entry into force of the modification or amendment in 
accordance with the provision of subparagraph 1(a) of this 
Article shall be deemed to have withdrawn from the present 
Treaty on the date of the expiration of such period. 

2a. If after the expiration of thirty years from the date of 
entry into force of the present Treaty, any of the Contracting 
Parties whose representatives are entitled to participate in the 
meetings provided for under Article IX so requests by a 
communication addressed to the depositary Government, a 
Conference of all the Contracting Parties shall be held as soon 
as practicable to review the operation of the Treaty. 

b. Any modification or amendment to the present Treaty which is 
approved at such a Conference by a majority of the Contracting 
Parties there represented, including a majority of those whose 
representatives are entitled to participate in the meetings 
provided for under Article IX, shall be communicated by the 
depositary Government to all Contracting Parties immediately 
after the termination of the Conference and shall enter into 
force in accordance with the provisions of paragraph 1 of the 
present Article 

c. If any such modification or amendment has not entered into 
force in accordance with the provisions of subparagraph 1(a) of 
this Article within a period of two years after the date of its 
communication to all the Contracting Parties, any Contracting 
Party may at any time after the expiration of that period give 
notice to the depositary Government of its withdrawal from the 
present Treaty; and such withdrawal shall take effect two years 
after the receipt of the notice by the depositary Government. 

Article XIII 

1. The present Treaty shall be subject to ratification by the 
signatory States. It shall be open for accession by any State 
which is a Member of the United Nations, or by any other State 
which may be invited to accede to the Treaty with the consent of 
all the Contracting Parties whose representatives are entitled 
to participate in the meetings provided for under Article IX of 
the Treaty. 

2. Ratification of or accession to the present Treaty shall be 
effected by each State in accordance with its constitutional 
processes. 

3. Instruments of ratification and instruments of accession 
shall be deposited with the Government of the United States of 
America, hereby designated as the depositary Government. 

4. The depositary Government shall inform all signatory and 
acceding States of the date of each deposit of an instrument of 
ratification or accession, and the date of entry into force of 
the Treaty and of any modification or amendment thereto. 

5. Upon the deposit of instruments of ratification by all the 
signatory States, the present Treaty shall enter into force for 
those States and for States which have deposited instruments of 
accession. Thereafter the Treaty shall enter into force for any 
acceding State upon the deposit of its instruments of accession. 

6. The present Treaty shall be registered by the depositary 
Government pursuant to Article 102 of the Charter of the United 
Nations. 

Article XIV 

The present Treaty, done in the English, French, Russian and 
Spanish languages, each version being equally authentic, shall 
be deposited in the archives of the Government of the United 
States of America, which shall transmit duly certified copies 
thereof to the Governments of the signatory and acceding States.