The Convention on Assistance in the Case of a Nuclear Accident or Radiological Emergency is a 1986

treaty A treaty is a formal, legally binding written agreement between actors in international law. It is usually made by and between sovereign states, but can include international organizations, individuals, business entities, and other legal pers ...

of the International Atomic Energy Agency (IAEA) whereby states have agreed to provide notification to the IAEA of any assistance that they can provide in the case of a

nuclear accident A nuclear and radiation accident is defined by the International Atomic Energy Agency (IAEA) as "an event that has led to significant consequences to people, the environment or the facility. Examples include lethal effects to individuals, lar ...

that occurs in another state that has ratified the treaty. Along with the Convention on Early Notification of a Nuclear Accident, it was adopted in direct response to the April 1986

Chernobyl disaster The Chernobyl disaster was a nuclear accident that occurred on 26 April 1986 at the No. 4 reactor in the Chernobyl Nuclear Power Plant, near the city of Pripyat in the north of the Ukrainian SSR in the Soviet Union. It is one of only two nuc ...

. The Convention was concluded and signed at a special session of the IAEA general conference on 26 September 1986; the special session was called because of the

, which had occurred five months before. Significantly, the

Soviet Union The Soviet Union,. officially the Union of Soviet Socialist Republics. (USSR),. was a List of former transcontinental countries#Since 1700, transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, ...

and the

Ukrainian SSR The Ukrainian Soviet Socialist Republic ( uk, Украї́нська Радя́нська Соціалісти́чна Респу́бліка, ; russian: Украи́нская Сове́тская Социалисти́ческая Респ ...

—the states that were responsible for the Chernobyl disaster—both signed the treaty at the conference and quickly ratified it. It was signed by 68 states and the Convention entered into force on 26 February 1987 after the third ratification. As of 2016, there are 112 states that have ratified or acceded to the Convention, plus the

European Atomic Energy Community The European Atomic Energy Community (EAEC or Euratom) is an international organisation established by the Euratom Treaty on 25 March 1957 with the original purpose of creating a specialist market for nuclear power in Europe, by developing nuc ...

, the

Food and Agriculture Organization The Food and Agriculture Organization of the United Nations (FAO)french: link=no, Organisation des Nations unies pour l'alimentation et l'agriculture; it, Organizzazione delle Nazioni Unite per l'Alimentazione e l'Agricoltura is an intern ...

, the

World Health Organization The World Health Organization (WHO) is a specialized agency of the United Nations responsible for international public health. The WHO Constitution states its main objective as "the attainment by all peoples of the highest possible level of ...

, and the World Meteorological Organization. The states that have signed the Convention but not ratified it are Afghanistan, Côte d'Ivoire, Democratic Republic of the Congo,

Holy See The Holy See ( lat, Sancta Sedes, ; it, Santa Sede ), also called the See of Rome, Petrine See or Apostolic See, is the jurisdiction of the Pope in his role as the bishop of Rome. It includes the apostolic episcopal see of the Diocese of R ...

, Niger, North Korea, Sierra Leone, Sudan, Syria, and Zimbabwe. The states that have ratified the Convention but have since denounced it and withdrawn from the agreement are Bulgaria, Hungary, Mongolia, and Poland.

References

{{unreferenced, date=September 2013

External links

Convention on Early Notification of a Nuclear Accident
IAEA information page.
Text of the Convention

Signatures and ratifications
Aftermath of the Chernobyl disaster International Atomic Energy Agency treaties * Treaties concluded in 1986 Treaties entered into force in 1986 1986 in Austria Treaties of Albania Treaties of Algeria Treaties of Argentina Treaties of Armenia Treaties of Australia Treaties of Austria Treaties of Bangladesh Treaties of the Byelorussian Soviet Socialist Republic Treaties of Belgium Treaties of Bolivia Treaties of Bosnia and Herzegovina Treaties of Botswana Treaties of Brazil Treaties of Burkina Faso Treaties of Cameroon Treaties of Canada Treaties of Chile Treaties of the People's Republic of China Treaties of Colombia Treaties of Costa Rica Treaties of Croatia Treaties of Cuba Treaties of Cyprus Treaties of the Czech Republic Treaties of Czechoslovakia Treaties of Denmark Treaties of Egypt Treaties of El Salvador Treaties of Estonia Treaties of Finland Treaties of France Treaties of Gabon Treaties of West Germany Treaties of East Germany Treaties of Greece Treaties of Guatemala Treaties of Iceland Treaties of India Treaties of Indonesia Treaties of Iran Treaties of Ba'athist Iraq Treaties of Ireland Treaties of Israel Treaties of Italy Treaties of Japan Treaties of Jordan Treaties of Kazakhstan Treaties of South Korea Treaties of Kuwait Treaties of Laos Treaties of Latvia Treaties of Lebanon Treaties of the Libyan Arab Jamahiriya Treaties of Liechtenstein Treaties of Lithuania Treaties of Luxembourg Treaties of Malaysia Treaties of Mali Treaties of Mauritania Treaties of Mauritius Treaties of Mexico Treaties of Monaco Treaties of Montenegro Treaties of Morocco Treaties of Mozambique Treaties of the Netherlands Treaties of New Zealand Treaties of Nicaragua Treaties of Nigeria Treaties of Norway Treaties of Oman Treaties of Pakistan Treaties of Panama Treaties of Paraguay Treaties of Peru Treaties of the Philippines Treaties of Portugal Treaties of Qatar Treaties of Moldova Treaties of Romania Treaties of the Soviet Union Treaties of Saint Vincent and the Grenadines Treaties of Saudi Arabia Treaties of Senegal Treaties of Serbia and Montenegro Treaties of Singapore Treaties of Slovakia Treaties of Slovenia Treaties of South Africa Treaties of Spain Treaties of Sri Lanka Treaties of Sweden Treaties of Switzerland Treaties of Tajikistan Treaties of Thailand Treaties of North Macedonia Treaties of Tunisia Treaties of Turkey Treaties of the Ukrainian Soviet Socialist Republic Treaties of the United Arab Emirates Treaties of the United Kingdom Treaties of Tanzania Treaties of the United States Treaties of Uruguay Treaties of Vietnam Treaties entered into by the European Atomic Energy Community Treaties of Yugoslavia Treaties extended to Aruba Treaties extended to the Netherlands Antilles Treaties entered into by the World Health Organization Treaties of Lesotho Treaties entered into by the Food and Agriculture Organization Treaties entered into by the World Meteorological Organization