{
  "url": "https://openlegislation.uk/compulsory-purchase-act-1965/section-4",
  "json_url": "https://openlegislation.uk/compulsory-purchase-act-1965/section-4.json",
  "legislation": "ukpga/1965/56",
  "legislation_title": "Compulsory Purchase Act 1965",
  "legislation_url": "https://openlegislation.uk/compulsory-purchase-act-1965",
  "path": "section/4",
  "kind": "section",
  "number": "4",
  "heading": "Time limit for giving notice to treat.",
  "text": "(1) A notice to treat may not be served by the acquiring authority after the end of the applicable period beginning with the day on which the compulsory purchase order becomes operative.\n(2) The applicable period is—\n(a) 3 years, or\n(b) such longer period as is specified in the order for the purposes of this section.",
  "extent": "E+W",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "F",
      "label": "F1",
      "text": "S. 4 substituted (13.7.2016) by Housing and Planning Act 2016 (c. 22), ss. 182(1), 216(3); S.I. 2016/733, reg. 3(i) (with reg. 7)"
    },
    {
      "type": "F",
      "label": "F2",
      "text": "Words in s. 4 renumbered as s. 4(1) (31.1.2024) by Levelling Up and Regeneration Act 2023 (c. 55), ss. 185(2)(a)(i), 255(7) (with s. 247); S.I. 2024/92, reg. 2(l) (with reg. 6(1))"
    },
    {
      "type": "F",
      "label": "F3",
      "text": "Words in s. 4(1) substituted (31.1.2024) by Levelling-up and Regeneration Act 2023 (c. 55), ss. 185(2)(a)(ii), 255(7) (with s. 247); S.I. 2024/92, reg. 2(l) (with reg. 6(1))"
    },
    {
      "type": "F",
      "label": "F4",
      "text": "S. 4(2) inserted (31.1.2024) by Levelling-up and Regeneration Act 2023 (c. 55), ss. 185(2)(a)(iii), 255(7) (with s. 247); S.I. 2024/92, reg. 2(l) (with reg. 6(1))"
    },
    {
      "type": "C",
      "label": "C1",
      "text": "Pt. 1 applied (with modifications) (18.7.2023) by The Longfield Solar Farm Order 2023 (S.I. 2023/734), arts. 1, 25, Sch. 10 paras. 4, 5 (with art. 19) (as amended (21.11.23) by The Longfield Solar Farm (Correction) Order 2023 (S.I. 2023/1241), art. 1(2), Sch.)"
    },
    {
      "type": "C",
      "label": "C2",
      "text": "Pt. 1 applied (with modifications) (18.7.2023) by The Longfield Solar Farm Order 2023 (S.I. 2023/734), arts. 1, 25 (with art. 19) (as amended (21.11.23) by The Longfield Solar Farm (Correction) Order 2023 (S.I. 2023/1241), Sch.)"
    },
    {
      "type": "C",
      "label": "C3",
      "text": "Pt. 1 applied (with modifications) (27.7.2023) by The Boston Alternative Energy Facility Order 2023 (S.I. 2023/778), arts. 1, 31 (with arts. 5, 27, 53, Sch. 8 paras. 6, 64)"
    },
    {
      "type": "C",
      "label": "C4",
      "text": "Pt. 1 applied (with modifications) (4.8.2023) by The A303 (Amesbury to Berwick Down) Development Consent Order 2023 (S.I. 2023/834), arts. 1, 25, Sch. 5 paras. 4, 5 (with arts. 6(2), 18, 21, Sch. 11 paras. 5, 30)"
    },
    {
      "type": "C",
      "label": "C5",
      "text": "Pt. 1 applied (with modifications) (4.8.2023) by The A303 (Amesbury to Berwick Down) Development Consent Order 2023 (S.I. 2023/834), art. 1, Sch. 5 paras. 4, 5 (with arts. 6(2), 18, Sch. 11 paras. 5, 30)"
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/ukpga/1965/56/section/4",
    "retrieved_at": "2026-10-29T10:57:28.068288+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."
}