Convention on Early Notification of a Nuclear Accident (Early Notification Convention)

The Early Notification Convention establishes a notification system for nuclear accidents that have the potential for an international transboundary release of radioactive material that could be of radiological safety significance for another state.

  • Adopted: 26 September 1986
  • Opened for signature: 26 September 1986 (Vienna) and 6 October 1986 (New York)
  • Entered into force: 27 October 1986
  • Parties: 132 (including EURATOM, FAO, WHO and WMO) (see table below)

More information on the Early Notification Convention, including the text and current status, is available here.

The following articles related to the Early Notification Convention were published in the Nuclear Law Bulletin and Principles and Practice of International Nuclear Law:

  • The IAEA Conventions on Early Notification of a Nuclear Accident and on Assistance in the Case of a Nuclear Accident or Radiological Emergency, by B. Moser (NLB 44, p. 10). 
  • Inside nuclear baseball: Reflections on the development of the safety conventions, by C. Stoiber (NLB 100, p. 61).
  • The impact of the major nuclear power plant accidents on the international legal framework for nuclear power, by S.G. Burns (NLB 101, p. 7), updated in Principles and Practice of International Nuclear Law, p. 83.


Parties to the Convention on Early Notification of a Nuclear Accident

Albania Ecuador Lithuania Romania*
Algeria Egypt Luxembourg Russia*
Angola El Salvador Madagascar Rwanda
Argentina* Eritrea Malawi Saint Vincent and the Grenadines
Armenia* Estonia Malaysia Saudi Arabia
Australia Finland* Mali Senegal
Austria France* Mauritania Serbia
Bahrain Gabon Mauritius Singapore
Bangladesh Georgia Mexico* Slovak Republic*
Belarus* Germany Moldova Slovenia*
Belgium* Ghana Monaco South Africa*
Benin Greece Mongolia Spain*
Bolivia Guatemala Montenegro Sri Lanka
Bosnia and Herzegovina Hungary* Morocco Sweden*
Botswana Iceland Mozambique Switzerland*
Brazil* India* Myanmar Syrian Arab Republic
Bulgaria* Indonesia Namibia Tajikistan
Burkina Faso Iran* Netherlands* Tanzania
Cambodia Iraq New Zealand Thailand
Cameroon Ireland Nicaragua Tunisia
Canada* Israel Niger Türkiye
Chile Italy Nigeria Ukraine*
China* Japan* North Macedonia United Arab Emirates*
Colombia Jordan Norway United Kingdom*
Congo Kazakhstan Oman United States*
Costa Rica Korea* Pakistan* Uruguay
Côte d'Ivoire Kuwait Panama Venezuela
Croatia Lao People's Democratic Republic Paraguay Viet Nam
Cuba Latvia Peru Zimbabwe
Cyprus Lebanon Philippines EURATOM
Czech Republic* Lesotho Poland Food and Agriculture Organization
Denmark Libya Portugal World Health Organization
Dominican Republic Liechtenstein Qatar World Meteorological Organization

* Country with at least one nuclear power plant in operation.