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Antarctic Treaty System

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The Antarctic Treaty
French: Traité sur l'Antarctique
Russian: Договор об Антарктике
Spanish: Tratado Antártico
Emblem of the Antarctic Treaty.svg
Signed December 1, 1959
Location Washington D. C., USA
Effective June 23, 1961
Condition ratification of all 12 signatories
Signatories 12
Parties 50
Depositary Government of the United States of America
Languages English, French, Russian and Spanish
Antarctic Treaty at Wikisource
A satellite composite image of Antarctica.

The Antarctic Treaty and related agreements, collectively called the Antarctic Treaty System or ATS, regulate international relations with respect to Antarctica, Earth's only continent without a native human population. For the purposes of the treaty system, Antarctica is defined as all of the land and ice shelves south of 60°S latitude. The treaty, entering into force in 1961 and currently having 50 signatory nations, sets aside Antarctica as a scientific preserve, establishes freedom of scientific investigation and bans military activity on that continent. The treaty was the first arms control agreement established during the Cold War. The Antarctic Treaty Secretariat headquarters have been located in Buenos Aires, Argentina, since September 2004.

The Antarctic Treaty System

International ownership treaties
Antarctic Treaty System
Law of the Sea
Outer Space Treaty
Moon Treaty
International waters

Extraterrestrial real estate

The main treaty was opened for signature on December 1, 1959, and officially entered into force on June 23, 1961. The original signatories were the 12 countries active in Antarctica during the International Geophysical Year (IGY) of 1957–58. The 12 countries had significant interests in Antarctica at the time: Argentina, Australia, Belgium, Chile, France, Japan, New Zealand, Norway, South Africa, the Soviet Union, the United Kingdom and the United States. These countries had established over 50 Antarctic stations for the IGY. The treaty was a diplomatic expression of the operational and scientific cooperation that had been achieved "on the ice".

Articles of the Antarctic Treaty

  • Article 1 – The area to be used for peaceful purposes only; military activity, such as weapons testing, is prohibited but military personnel and equipment may be used for scientific research or any other peaceful purpose;
  • Article 2 – Freedom of scientific investigations and cooperation shall continue;
  • Article 3 – Free exchange of information and personnel in cooperation with the United Nations and other international agencies;
  • Article 4 – The treaty does not recognize, dispute, nor establish territorial sovereignty claims; no new claims shall be asserted while the treaty is in force;
  • Article 5 – The treaty prohibits nuclear explosions or disposal of radioactive wastes;
  • Article 6 – Includes under the treaty all land and ice shelves but not the surrounding waters south of 60 degrees 00 minutes south;
  • Article 7 – Treaty-state observers have free access, including aerial observation, to any area and may inspect all stations, installations, and equipment; advance notice of all activities and of the introduction of military personnel must be given;
  • Article 8 – Allows for jurisdiction over observers and scientists by their own states;
  • Article 9 – Frequent consultative meetings take place among member nations;
  • Article 10 – All treaty states will discourage activities by any country in Antarctica that are contrary to the treaty;
  • Article 11 – All disputes to be settled peacefully by the parties concerned or, ultimately, by the International Court of Justice;
  • Articles 12, 13, 14 – Deal with upholding, interpreting, and amending the treaty among involved nations.

The main objective of the ATS is to ensure in the interests of all humankind that Antarctica shall continue forever to be used exclusively for peaceful purposes and shall not become the scene or object of international discord. The treaty forbids any measures of a military nature, but not the presence of military personnel.

Other agreements

Disposal of waste by simply dumping it at the shoreline such as here at the Russian Bellingshausen base is no longer permitted by the Protocol on Environmental Protection
This 1959 cover commemorated the opening of the Wilkes post office in the Australian Antarctic Territory.

Other agreements — some 200 recommendations adopted at treaty consultative meetings and ratified by governments — include:

  • Agreed Measures for the Conservation of Antarctic Fauna and Flora (1964) (entered into force in 1982)
  • The Convention for the Conservation of Antarctic Seals (1972)
  • The Convention for the Conservation of Antarctic Marine Living Resources (1980)
  • The Convention on the Regulation of Antarctic Mineral Resource Activities (1988) (signed in 1988, not in force)
  • The Protocol on Environmental Protection to the Antarctic Treaty was signed October 4, 1991 and entered into force January 14, 1998; this agreement prevents development and provides for the protection of the Antarctic environment through five specific annexes on marine pollution, fauna and flora, environmental impact assessments, waste management, and protected areas. It prohibits all activities relating to mineral resources except scientific. A sixth annex — on liability arising from environmental emergencies — was adopted in 2005 but is yet to enter into force.


The Antarctic Treaty System's yearly Antarctic Treaty Consultative Meetings (ATCM) are the international forum for the administration and management of the region. Only 28 of the 49 parties to the agreements have the right to participate in decision-making at these meetings, though the other 21 are still allowed to attend. The decision-making participants are the Consultative Parties and, in addition to the 12 original signatories, include 16 countries that have demonstrated their interest in Antarctica by carrying out substantial scientific activity there.


  signatory, consulting, claim to Antarctic territory
  signatory, consulting, reserved right for territorial claim
  signatory, consulting
  signatory, acceding status

Note: The table can be sorted alphabetically or chronologically using the Sort both.gif icon.

Country Original signatory Consultative Acceding
 Argentina (claim)* 01961-06-23June 23, 1961
 Australia (claim) 01961-06-23June 23, 1961
 Austria 01987-08-25August 25, 1987
 Belarus 02006-12-27December 27, 2006
 Belgium 01960-07-26July 26, 1960
 Brazil 01983-09-12September 12, 1983 01975-05-16May 16, 1975
 Bulgaria 01998-05-25May 25, 1998 01978-09-11September 11, 1978
 Canada 01988-05-04May 4, 1988
 Chile Antártica Chilena Province''(claim)''* 01961-06-23June 23, 1961
 China 01985-10-07October 7, 1985 01983-06-08June 8, 1983
 Colombia 01989-01-31January 31, 1989
 Cuba 01984-08-16August 16, 1984
 Czech Republic (as  Czechoslovakia) 01962-06-14June 14, 1962
 Denmark 01965-05-20May 20, 1965
 Ecuador 01990-11-19November 19, 1990 01987-09-15September 15, 1987
 Estonia 02001-05-17May 17, 2001
 Finland 01989-10-09October 9, 1989 01984-05-15May 15, 1984
 France French Southern and Antarctic Lands (claim) 01960-09-16September 16, 1960
 Germany (claim) (rests since 1945)
  East Germany
01981-03-03March 3, 1981
October 5, 1987
01979-02-05February 5, 1979
November 19, 1974
 Greece 01987-01-08January 8, 1987
 Guatemala 01991-07-31July 31, 1991
 Hungary 01984-01-27January 27, 1984
 India 01983-09-12September 12, 1983 01983-08-19August 19, 1983
 Italy 01987-10-05October 5, 1987 01981-03-18March 18, 1981
 Japan 01960-08-04August 4, 1960
 Malaysia 02011-10-31October 31, 2011
 Monaco 02008-05-30May 30, 2008
 Netherlands 01990-11-19November 19, 1990 01967-03-30March 30, 1967
 New Zealand (claim) 01960-11-01November 1, 1960
 North Korea 01987-01-21January 21, 1987
 Norway (claim) 01960-08-24August 24, 1960
 Pakistan 02012-03-01March 1, 2012
 Papua New Guinea 01981-03-16March 16, 1981
 Peru 01989-10-09October 9, 1989 01981-04-10April 10, 1981
 Poland 01977-01-29January 29, 1977 01961-06-23June 23, 1961
 Portugal 02010-01-29January 29, 2010
 Romania 01971-09-15September 15, 1971
 Russia (as  Soviet Union)** 01960-06-21June 21, 1960
 Slovakia (as  Czechoslovakia) 01962-06-14June 14, 1962
 South Africa 01960-06-21June 21, 1960
 South Korea 01989-10-09October 9, 1989 01986-11-28November 28, 1986
 Spain 01988-09-21September 21, 1988 01982-03-31March 31, 1982
 Sweden 01988-09-21September 21, 1988 01984-03-24March 24, 1984
 Switzerland 01990-11-15November 15, 1990
 Turkey 01996-01-25January 25, 1996
 Ukraine 02004-05-27May 27, 2004 01992-10-28October 28, 1992
 United Kingdom (claim)* 01960-05-31May 31, 1960
 United States** 01960-08-18August 18, 1960
 Uruguay 01985-10-07October 7, 1985 01980-01-11January 11, 1980
 Venezuela 01999-05-24May 24, 1999

* Claims overlap.
** Reserved the right to claim areas.

Currently, there are 50 treaty member nations: 28 consultative and 22 acceding. Consultative (voting) members include the seven nations that claim portions of Antarctica as national territory. The 22 non-claimant nations either do not recognize the claims of others, or have not stated their positions.

Antarctic Treaty Secretariat

The Antarctic Treaty Secretariat was established in Buenos Aires, Argentina in September 2004 by the Antarctic Treaty Consultative Meeting (ATCM). Jan Huber (Netherlands) served as the first Executive Secretary for five years until August 31, 2009. He was succeeded on September 1, 2009 by Manfred Reinke (Germany), appointed for a four-year term.

The tasks of the Antarctic Treaty Secretariat can be divided into the following areas:

  • Supporting the annual Antarctic Treaty Consultative Meeting (ATCM) and the meeting of the Committee for Environmental Protection (CEP).
  • Facilitating the exchange of information between the Parties required in the Treaty and the Environment Protocol.
  • Collecting, storing, arranging and publishing the documents of the ATCM.
  • Providing and disseminating public information about the Antarctic Treaty system and Antarctic activities.

Legal system

Antarctica has no permanent population and hence no citizenship nor government. All personnel present on Antarctica at any time are citizens or nationals of some sovereignty outside of Antarctica, as there is no Antarctic sovereignty. The majority of Antarctica is claimed by one or more countries, but most countries do not explicitly recognize those claims. The area on the mainland between 90 degrees west and 150 degrees west, combined with the interior of the Norwegian Sector (the extent of which has never been officially defined), is the only major land on Earth not claimed by any country.

Governments that are party to the Antarctic Treaty and its Protocol on Environmental Protection implement the articles of these agreements, and decisions taken under them, through national laws. These laws generally apply only to their own citizens, wherever they are in Antarctica, and serve to enforce the consensus decisions of the consultative parties: about which activities are acceptable, which areas require permits to enter, what processes of environmental impact assessment must precede activities, and so on. The Antarctic Treaty is often considered to represent an example of the Common heritage of mankind principle.


According to Argentine regulations, any crime committed within 50 kilometers of any Argentine base is to be judged in Ushuaia (as capital of Tierra del Fuego, Antarctica, and South Atlantic Islands). In the part of Argentine Antarctica that is also claimed by Chile and UK, the person to be judged can ask to be transferred there.


Since the designation of the Australian Antarctic Territory pre-dated the signing of the Antarctic Treaty, Australian laws that relate to Antarctica date from more than two decades before the Antarctic Treaty era. In terms of criminal law, the laws that apply to the Jervis Bay Territory (which follows the laws of the Australian Capital Territory) apply to the Australian Antarctic Territory. Key Australian legislation applying Antarctic Treaty System decisions include the Antarctic Treaty Act 1960, the Antarctic Treaty (Environment Protection) Act 1980 and the Antarctic Marine Living Resources Conservation Act 1981.

United States

The law of the United States, including certain criminal offenses by or against U.S. nationals, such as murder, may apply to areas not under jurisdiction of other countries. To this end, the United States now stations special deputy U.S. Marshals in Antarctica to provide a law enforcement presence.

Some U.S. laws directly apply to Antarctica. For example, the Antarctic Conservation Act, Public Law 95-541, 16 U.S.C.  § 2401 et seq., provides civil and criminal penalties for the following activities, unless authorized by regulation or statute:

  • the taking of native Antarctic mammals or birds
  • the introduction into Antarctica of non-indigenous plants and animals
  • entry into specially protected or scientific areas
  • the discharge or disposal of pollutants into Antarctica or Antarctic waters
  • the importation into the U.S. of certain items from Antarctica

Violation of the Antarctic Conservation Act carries penalties of up to US$10,000 in fines and one year in prison. The Departments of the Treasury, Commerce, Transportation, and the Interior share enforcement responsibilities. The Act requires expeditions from the U.S. to Antarctica to notify, in advance, the Office of Oceans and Polar Affairs of the State Department, which reports such plans to other nations as required by the Antarctic Treaty. Further information is provided by the Office of Polar Programs of the National Science Foundation.

New Zealand

In 2006, the New Zealand police reported that jurisdictional issues prevented them issuing warrants for potential American witnesses who were reluctant to testify during the Christchurch Coroner's investigation into the death by poisoning of Australian astrophysicist Rodney Marks at the South Pole base in May 2000. Dr. Marks died while wintering over at the United States' Amundsen–Scott South Pole Station located at the geographic South Pole. Prior to autopsy, the death was attributed to natural causes by the National Science Foundation and the contractor administering the base. However, an autopsy in New Zealand revealed that Dr. Marks died from methanol poisoning. The New Zealand Police launched an investigation. In 2006, frustrated by lack of progress, the Christchurch Coroner said that it was unlikely that Dr. Marks ingested the methanol knowingly, although there is no certainty that he died as the direct result of the act of another person. During media interviews, the police detective in charge of the investigation criticized the National Science Foundation and contractor Raytheon for failing to co-operate with the investigation.

South Africa

South African law applies to all South African citizens in Antarctica, and they are subject to the jurisdiction of the magistrate's court in Cape Town. In regard to violations of the Antarctic Treaty and related agreements, South Africa also asserts jurisdiction over South African residents and members of expeditions organised in South Africa.

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