# The Nuclear Safeguards (Notification) Regulations 2004, Paragraph 1.1: Complete nuclear reactors


Nuclear reactors capable of operation so as to maintain a controlled self-sustaining fission chain reaction, excluding zero energy reactors, the latter being defined as reactors with a designed maximum rate of production of plutonium not exceeding 100 grams per year.

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Source: https://www.legislation.gov.uk/uksi/2004/1255/schedule/part/II/paragraph/1n3 (the official version)
Page: https://openlegislation.uk/nuclear-safeguards-notification-regulations-2004/schedule/part-II/paragraph-1n3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.