{
  "url": "https://openlegislation.uk/police-and-criminal-evidence-act-1984/section-51",
  "json_url": "https://openlegislation.uk/police-and-criminal-evidence-act-1984/section-51.json",
  "legislation": "ukpga/1984/60",
  "legislation_title": "Police and Criminal Evidence Act 1984",
  "legislation_url": "https://openlegislation.uk/police-and-criminal-evidence-act-1984",
  "path": "section/51",
  "kind": "section",
  "number": "51",
  "heading": "Savings.",
  "text": "Nothing in this Part of this Act shall affect—\n(a) the powers conferred on immigration officers by section 4 of and Schedule 2 to the Immigration Act 1971 (administrative provisions as to control on entry etc.);\n(b) the powers conferred by virtue of section 41 or 43B of, or Schedule 7 to, the Terrorism Act 2000 (powers of arrest and detention); ...\n(ba) the powers conferred by virtue of Part 1 of Schedule 3 to the Counter-Terrorism and Border Security Act 2019 (powers of detention);\n(bb) the powers conferred by virtue of section 27 of and Schedule 6 to the National Security Act 2023;\n(c) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\n(d) any right of a person in police detention to apply for a writ of habeas corpus or other prerogative remedy.",
  "extent": "E+W",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "F",
      "label": "F1",
      "text": "S. 51(b) substituted (19.2.2001) by 2000 c. 11, s. 125(1), Sch. 15 para. 5(4); S.I.2001/421, art. 2"
    },
    {
      "type": "F",
      "label": "F2",
      "text": "Words in s. 51(b) inserted (28.6.2022) by Police, Crime, Sentencing and Courts Act 2022 (c. 32), s. 208(5)(w), Sch. 19 para. 1(2)"
    },
    {
      "type": "F",
      "label": "F3",
      "text": "Word in s. 51(b) omitted (13.8.2020) by virtue of Counter-Terrorism and Border Security Act 2019 (c. 3), s. 27(2)(d), Sch. 4 para. 18(2)(a); S.I. 2020/792, reg. 2(i)"
    },
    {
      "type": "F",
      "label": "F4",
      "text": "S. 51(ba) inserted (13.8.2020) by Counter-Terrorism and Border Security Act 2019 (c. 3), s. 27(2)(d), Sch. 4 para. 18(2)(b); S.I. 2020/792, reg. 2(i)"
    },
    {
      "type": "F",
      "label": "F5",
      "text": "S. 51(bb) inserted (20.12.2023) by The National Security Act 2023 (Consequential Amendments of Primary Legislation) Regulations 2023 (S.I. 2023/1386), reg. 1(2), Sch. para. 7(3)"
    },
    {
      "type": "F",
      "label": "F6",
      "text": "S. 51(c) repealed (28.3.2009 for certain purposes and otherwise prosp.) by Armed Forces Act 2006 (c. 52), ss. 378, 383, Sch. 17; S.I. 2009/812, art. 3 (with transitional provisions in S.I. 2009/1059)"
    },
    {
      "type": "M",
      "label": "M1",
      "text": "1971 c. 77."
    },
    {
      "type": "C",
      "label": "C1",
      "text": "S. 51(b) applied (with modifications) (25.6.2013) by The Police and Criminal Evidence Act 1984 (Application to immigration officers and designated customs officials in England and Wales) Order 2013 (S.I. 2013/1542), arts. 1, 3(2)-(4), Sch. 1 (with arts. 4-11)"
    },
    {
      "type": "C",
      "label": "C2",
      "text": "Ss. 8, 9, 15, 16, 17(1)(b(2) (4), 18–20, 21, 22(1)–(4), 28, 29, 30(1)–(4)(a)(5)–(11), 31, 32(1)–(9), 34(1)–(5), 35, 36, 37, 39, 40–44, 50, 51(d), 52, 54, 55, 64(1)–(4)(5)(6), Sch. 1 applied with modifications by S.I. 1985/1800, arts. 3–11, Schs. 1, 2"
    },
    {
      "type": "C",
      "label": "C3",
      "text": "S. 51(d) applied (with modifications) (4.11.2015) by The Police and Criminal Evidence Act 1984 (Application to Revenue and Customs) Order 2015 (S.I. 2015/1783), arts. 1, 3(1), Sch. 1 (with art. 3(2), (3), 4-19, Sch. 2)"
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/ukpga/1984/60/section/51",
    "retrieved_at": "2026-10-29T10:00:58.179601+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."
}