{
  "url": "https://openlegislation.uk/nuclear-installations-prescribed-conditions-and-excepted-matter-regulations-2025/regulation-2",
  "json_url": "https://openlegislation.uk/nuclear-installations-prescribed-conditions-and-excepted-matter-regulations-2025/regulation-2.json",
  "legislation": "uksi/2025/1171",
  "legislation_title": "The Nuclear Installations (Prescribed Conditions and Excepted Matter) Regulations 2025",
  "legislation_url": "https://openlegislation.uk/nuclear-installations-prescribed-conditions-and-excepted-matter-regulations-2025",
  "path": "regulation/2",
  "kind": "regulation",
  "number": "2",
  "heading": "Prescribed conditions",
  "text": "(1) The conditions prescribed under section 7C(1)(a)(iii) of the Act are that, during the lifetime of the site—\n(a) the effective dose from radiation released from the site to a member of the public off site would be no greater than 1 millisievert in any 12-month period in all reasonably foreseeable circumstances and assuming no protective or mitigating actions are taken (the dose condition);\n(b) the risk of criticality occurring on the site is negligible (the criticality condition).\n(2) In this regulation—\n(a) “Act” means the Nuclear Installations Act 1965;\n(b) “effective dose” has the meaning given by section 11H(11) of the Act;\n(c) “the lifetime of the site” means the period during which the site is subject to an appropriate permit.",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "footnote",
      "label": "f1",
      "text": "Section 11H was inserted by S.I. 2016/562."
    },
    {
      "type": "footnote",
      "label": "f2",
      "text": "See the definition of “appropriate permit” in section 26(1) of the Nuclear Installations Act 1965 (c. 57)."
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/2025/1171/regulation/2",
    "retrieved_at": "2026-10-28T21:09:55.329516+00:00"
  },
  "licence": "Open Government Licence v3.0",
  "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
  "attribution": "Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives."
}