{
  "url": "https://openlegislation.uk/nuclear-safeguards-eu-exit-regulations-2019/regulation-3",
  "json_url": "https://openlegislation.uk/nuclear-safeguards-eu-exit-regulations-2019/regulation-3.json",
  "legislation": "uksi/2019/196",
  "legislation_title": "The Nuclear Safeguards (EU Exit) Regulations 2019",
  "legislation_url": "https://openlegislation.uk/nuclear-safeguards-eu-exit-regulations-2019",
  "path": "regulation/3",
  "kind": "regulation",
  "number": "3",
  "heading": "Declaration of design information",
  "text": "(1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\n(2) In the case of a new qualifying nuclear facility, which comes into existence on or after commencement day, the operator must declare to the ONR—\n(a) the preliminary design information for the facility as soon as the decision to construct or authorise construction has been taken;\n(b) the design information for the facility, based on the final design for the qualifying nuclear facility, using the relevant questionnaire shown in Part 1 of Schedule 1, not later than 200 days prior to and ending on the day on which construction is started; and\n(c) the design information for the facility as built, using the relevant questionnaire shown in Part 1 of Schedule 1, not later than 200 days before the day on which—\n(i) qualifying nuclear material is first received at the facility; or\n(ii) in the case of a qualifying nuclear facility, which only treats or stores conditioned or retained waste, the treatment or storage begins; ...\n(iii) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\n(2A) Where a change in the design information for a qualifying nuclear facility means the facility becomes a different type of facility (a “repurposed facility”), the operator must declare to the ONR—\n(a) the preliminary design information for the repurposed facility, as soon as the decision to make the change has been taken;\n(b) the design information for the repurposed facility, based on the final design for the repurposed facility, using the relevant questionnaire shown in Part 1 of Schedule 1, not later than 200 days before the day on which the repurposing is started; and\n(c) the design information for the repurposed facility as built, using the relevant questionnaire shown in Part 1 of Schedule 1, not later than 200 days before the day on which—\n(i) qualifying nuclear material is first received at the repurposed facility; or\n(ii) in the case of a qualifying nuclear facility which only treats or stores conditioned or retained waste, the treatment or storage begins.\n(3) In any other case, an operator must declare to the ONR a change in the design information within the period of 23 days beginning with the day on which the change is completed unless advance notification to the ONR of such a change is required by any particular safeguard provisions imposed on the operator by regulation 5.\n(4) The reference in paragraph (3) to a change in the design information for a qualifying nuclear facility includes a change in respect of a qualifying nuclear facility which is in the process of being closed down or decommissioned until such time as the ONR has confirmed in writing to the operator that the qualifying nuclear facility has been decommissioned for safeguards purposes.\n(5) On a written request by the ONR, an operator must supply further details, explanations, amplifications or clarifications of any information set out in the relevant questionnaire within the period of 15 days beginning with the day on which the operator receives the request from the ONR.",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "F",
      "label": "F1",
      "text": "Reg. 3(1) omitted (10.7.2026) by virtue of The Nuclear Safeguards (EU Exit and Fees) (Amendment) Regulations 2026 (S.I. 2026/835), regs. 1(2), 4(2)(a)"
    },
    {
      "type": "F",
      "label": "F2",
      "text": "Words in reg. 3(2)(a) substituted (10.7.2026) by The Nuclear Safeguards (EU Exit and Fees) (Amendment) Regulations 2026 (S.I. 2026/835), regs. 1(2), 4(2)(b)(i)"
    },
    {
      "type": "F",
      "label": "F3",
      "text": "Words in reg. 3(2)(b) substituted (10.7.2026) by The Nuclear Safeguards (EU Exit and Fees) (Amendment) Regulations 2026 (S.I. 2026/835), regs. 1(2), 4(2)(b)(i)"
    },
    {
      "type": "F",
      "label": "F4",
      "text": "Words in reg. 3(2)(c) substituted (10.7.2026) by The Nuclear Safeguards (EU Exit and Fees) (Amendment) Regulations 2026 (S.I. 2026/835), regs. 1(2), 4(2)(b)(i)"
    },
    {
      "type": "F",
      "label": "F5",
      "text": "Word in reg. 3(2)(c) inserted (10.7.2026) by The Nuclear Safeguards (EU Exit and Fees) (Amendment) Regulations 2026 (S.I. 2026/835), regs. 1(2), 4(2)(b)(ii)(aa)"
    },
    {
      "type": "F",
      "label": "F6",
      "text": "Word in reg. 3(2)(c) omitted (10.7.2026) by virtue of The Nuclear Safeguards (EU Exit and Fees) (Amendment) Regulations 2026 (S.I. 2026/835), regs. 1(2), 4(2)(b)(ii)(bb)"
    },
    {
      "type": "F",
      "label": "F7",
      "text": "Reg. 3(2)(c)(iii) omitted (10.7.2026) by virtue of The Nuclear Safeguards (EU Exit and Fees) (Amendment) Regulations 2026 (S.I. 2026/835), regs. 1(2), 4(2)(b)(ii)(cc)"
    },
    {
      "type": "F",
      "label": "F8",
      "text": "Reg. 3(2A) inserted (10.7.2026) by The Nuclear Safeguards (EU Exit and Fees) (Amendment) Regulations 2026 (S.I. 2026/835), regs. 1(2), 4(2)(c)"
    },
    {
      "type": "F",
      "label": "F9",
      "text": "Words in reg. 3(3) substituted (10.7.2026) by The Nuclear Safeguards (EU Exit and Fees) (Amendment) Regulations 2026 (S.I. 2026/835), regs. 1(2), 4(2)(d)"
    },
    {
      "type": "F",
      "label": "F10",
      "text": "Words in reg. 3(4) substituted (10.7.2026) by The Nuclear Safeguards (EU Exit and Fees) (Amendment) Regulations 2026 (S.I. 2026/835), regs. 1(2), 4(2)(e)(i)"
    },
    {
      "type": "F",
      "label": "F11",
      "text": "Words in reg. 3(4) substituted (10.7.2026) by The Nuclear Safeguards (EU Exit and Fees) (Amendment) Regulations 2026 (S.I. 2026/835), regs. 1(2), 4(2)(e)(ii)"
    },
    {
      "type": "F",
      "label": "F12",
      "text": "Words in reg. 3 heading substituted (10.7.2026) by The Nuclear Safeguards (EU Exit and Fees) (Amendment) Regulations 2026 (S.I. 2026/835), regs. 1(2), 4(1)"
    },
    {
      "type": "I",
      "label": "I1",
      "text": "Reg. 3 in force at 31.12.2020 on IP completion day (in accordance with 2020 c. 1, Sch. 5 para. 1(1)), see reg. 1(2)"
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/2019/196/regulation/3",
    "retrieved_at": "2026-10-28T22:47:53.588698+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."
}