# The National Security (Prohibited Places) (Civil Nuclear) Regulations 2023, Paragraph 2: Prohibited Places


A licensed site where—
(a) Category I/II nuclear material or Category III nuclear material, or both, is held; and
(b) a nuclear reactor is located.

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Source: https://www.legislation.gov.uk/uksi/2023/1114/schedule/paragraph/2 (the official version)
Page: https://openlegislation.uk/national-security-prohibited-places-civil-nuclear-regulations-2023/schedule/paragraph-2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.