Treaty on the Non-Proliferation
of Nuclear Weapons

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ARTICLE IX

  1. This Treaty shall be open to all States for signature. Any State which does not sign the Treaty before its entry into force in accordance with paragraph 3 of this Article may accede to it at any time.


  2. This Treaty shall be subject to ratification by signatory States. Instruments of ratification and instruments of accession shall be deposited with the Governments of the United Kingdom of Great Britain and Northern Ireland, the Union of Soviet Socialist Republics and the United States of America, which are hereby designated the Depositary Governments.


  3. This Treaty shall enter into force after its ratification by the States, the Governments of which are designated Depositaries of the Treaty, and forty other States signatory to this Treaty and the deposit of their instruments of ratification. For the purposes of this Treaty, a nuclear-weapon State is one which has manufactured and exploded a nuclear weapon or other nuclear explosive device prior to 1 January, 1967.


  4. For States whose instruments of ratification or accession are deposited subsequent to the entry into force of this Treaty, it shall enter into force on the date of the deposit of their instruments of ratification or accession.


  5. The Depositary Governments shall promptly inform all signatory and acceding States of the date of each signature, the date of deposit of each instrument of ratification or of accession, the date of the entry into force of this Treaty, and the date of receipt of any requests for convening a conference or other notices.


  6. This Treaty shall be registered by the Depositary Governments pursuant to Article 102 of the Charter of the United Nations.


ARTICLE X

  1. Each Party shall in exercising its national sovereignty have the right to withdraw from the Treaty if it decides that extraordinary events, related to the subject matter of this Treaty, have jeopardized the supreme interests of its country. It shall give notice of such withdrawal to all other Parties to the Treaty and to the United Nations Security Council three months in advance.


    2. Such notice shall include a statement of the extraordinary events it regards as having jeopardized its supreme interests.
  2. Twenty-five years after the entry into force of the Treaty, a conference shall be convened to decide whether the Treaty shall continue in force indefinitely, or shall be extended for an additional fixed period or periods. This decision shall be taken by a majority of the Parties to the Treaty.


ARTICLE XI

This Treaty, the English, Russian, French, Spanish and Chinese texts of which are equally authentic, shall be deposited in the archives of the Depositary Governments. Duly certified copies of this Treaty shall be transmitted by the Depositary Governments to the Governments of the signatory and acceding States.

Non-Nuclear-Weapon States

Afgahanistan, Albania, Algeria, Andorra-Principality of, Angola, Antigua and Barbuda, Argentina, Armenia, Australia, Austria, Azerbaijan, Bahamas, Bahrain, Bangladesh, Barbados, Belarus, Belgium, Belize, Benin, Bhutan, Bolivia, Bosnia Herzegovina, Botswana, Brazil, Brunei Darussalam, Bulgaria, Burkina Faso, Burundi, Cambodia, Cameroon, Canada, Cape Verde, Central African Republic, Chad, Chile, Colombia, Comoros, Congo-Dem. Rep. of the, Costa Rica, Côte d'Ivoire, Croatia, Cuba, Cyprus, Czech Republic, Democratic People's Rep. of Korea, Denmark, Djibouti, Dominica, Dominican Republic, Ecuador, Egypt, El Salvador, Equatorial Guinea, Eritrea, Estonia, Ethiopia, Fiji, Finland, Gabon, Gambia, Georgia, Germany, Ghana, Greece, Grenada, Guatemala, Guinea Bissau, Guinea, Guyana, Haiti, Holy See, Honduras, Hungary, Iceland, Indonesia, Iran-Islamic Republic of, Iraq, Ireland, Italy, Jamaica, Japan, Jordan, Kazakhstan, Kenya, Kiribati, Korea-Republic of, Kuwait, Kyrgyzstan, Lao People's Dem. Rep., Latvia, Lebanon, Lesotho, Liberia, Libyan Arab Jamahiriya, Liechtenstein, Lithuania, Luxembourg, Madagascar, Malawi, Malaysia, Maldives, Mali-Republic of, Malta, Marshall Islands, Mauritania, Mauritius, Mexico, Micronesia-Federated States of, Moldova-Republic of, Monaco, Mongolia, Morocco, Mozambique, Myanmar, Namibia, Nauru, Nepal, Netherlands, New Zealand, Nicaragua, Niger, Nigeria, Norway, Oman, Palau-Republic of, Panama, Papua New Guinea, Paraguay, Peru, Philippines, Poland, Portugal, Qatar, Romania, Rwanda, Saint Kitts and Nevis, Saint Lucia, Saint Vincent and the, Grenadines, San Marino, Sao Tome and Principe, Saudi Arabia, Senegal, Serbia and Montenegro, Seychelles, Sierra Leone, Singapore, Slovak Republic, Slovenia, Solomon Islands, Somalia, South Africa, Spain, Sri Lanka, Sudan, Suriname, Swaziland, Sweden, Switzerland, Syrian Arab Republic, Tajikistan, Tanzania, Thailand, The Former Yugoslav, Republic of Macedonia, Timor-Leste, Togo, Tonga, Trinidad and Tobago, Tunisia, Turkey, Turkmenistan, Tuvalu, Uganda, Ukraine, United Arab Emirates, Uruguay, Uzbekistan, Vanuatu, Venezuela, Vietnam, Western Samoa, Yemen-Republic of, Zambia, Zimbabwe

Nuclear Weapon States

United Kingdom of Great Britain & Northern Ireland, United States of America, Russian Federation, China, France

Source: UN Department for Disarmament Affairs
disarmament2.un.org/TreatyStatus.nsf

Notes:
1. The NPT was extended indefinitely by Parties meeting at the 1995 Review & Extension Conference.,
2. The Democratic People's Republic of Korea (DPRK) announced its withdrawal from the NPT effective 11 January 2003. No agreed statement on the matter has been issued by the NPT States Parties, or by the NPT Depositary States (Russia, UK and USA), or by the UN Security Council. The IAEA is not a party to the NPT and hence is not in the position to determine the status of any State's NPT membership. (The UN Department for Disarmament Affairs maintains the DPRK on its listing of NPT States.),
3. Among NPT Parties, 42 non-nuclear-weapon States as of January 2005 had either not yet concluded or brought into force a comprehensive safeguards agreement with the IAEA as required pursuant to the Treaty.

For the latest status on safeguards agreements, visit the IAEA web site at www.iaea.org/OurWork/SV/index.html

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