{
  "url": "https://openlegislation.uk/interpretation-act-northern-ireland-1954",
  "json_url": "https://openlegislation.uk/interpretation-act-northern-ireland-1954.json",
  "id": "apni/1954/33",
  "title": "Interpretation Act (Northern Ireland) 1954",
  "short_title": "Interpretation Act (Northern Ireland) 1954",
  "long_title": "An Act to make provision with respect to the operation, interpretation and citation of Acts of the Parliament of Northern Ireland and of instruments made thereunder.",
  "citation": "1954 c. 33 (N.I.)",
  "type": "apni",
  "year": "1954",
  "number": "33",
  "version": "current",
  "date": "1954-12-21",
  "revised": true,
  "valid_from": "2026-04-01",
  "extent": "N.I.",
  "unapplied_effects": 3,
  "provisions": [
    {
      "path": "introduction",
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      "heading": "Introductory text",
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      "heading": "Rules regulating procedure of courts and tribunals.",
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      "heading": "Service of documents.",
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    {
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      "heading": "Deviation in forms.",
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      "heading": "Oaths, affirmations and declarations.",
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      "extent": "N.I.",
      "status": null,
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    },
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      "path": "section/27",
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      "heading": "Operation of declaration that provisions are to cease to have effect.",
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      "extent": "N.I.",
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      "path": "section/28",
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      "path": "section/30",
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      "path": "part/chapter/n3",
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      "path": "section/33",
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      "path": "section/36",
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      "heading": "Names commonly used.",
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    {
      "path": "section/37",
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    {
      "path": "section/38",
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      "heading": "Construction of “shall” and “may”.",
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    {
      "path": "section/39",
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      "heading": "Time.",
      "url": "https://openlegislation.uk/interpretation-act-northern-ireland-1954/section-39",
      "extent": "N.I.",
      "status": null,
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    {
      "path": "section/40",
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      "heading": "Distance.",
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    {
      "path": "part/chapter/n4",
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      "heading": "Meaning of particular words and phrases",
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    {
      "path": "section/41",
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      "heading": "Definitions for parliamentary purposes.",
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      "heading": "Definitions for judicial purposes.",
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      "extent": "N.I.",
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    {
      "path": "section/43",
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      "heading": "Definitions for official purposes.",
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      "extent": "N.I.",
      "status": null,
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      "path": "section/43A",
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      "heading": "Definitions in connection with police.",
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    {
      "path": "section/44",
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      "heading": "Definitions for local government purposes.",
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      "extent": "N.I.",
      "status": null,
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    {
      "path": "section/44A",
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      "heading": "Definitions relating to the United Kingdom’s withdrawal from the European Union",
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      "extent": "N.I.",
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    {
      "path": "section/45",
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      "heading": "References relating to land.",
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      "path": "section/46",
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      "heading": "Miscellaneous definitions.",
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      "status": null,
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    {
      "path": "part/chapter/n5",
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      "heading": "Citation",
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      "path": "part/chapter/n6",
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      "path": "section/48",
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      "heading": "Saving.",
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      "heading": "Short title.",
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    {
      "path": "schedule/n1",
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    },
    {
      "path": "schedule/A1",
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      "number": "A1",
      "heading": "PROVISIONS APPLICABLE TO INQUIRIES AND INVESTIGATIONS",
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      "extent": "N.I.",
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    },
    {
      "path": "schedule/A1/paragraph/1",
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      "number": "1",
      "heading": "Introductory",
      "url": "https://openlegislation.uk/interpretation-act-northern-ireland-1954/schedule-A1/paragraph-1",
      "extent": null,
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    {
      "path": "schedule/A1/paragraph/2",
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      "number": "2",
      "heading": "Appointment of person to hold inquiry",
      "url": "https://openlegislation.uk/interpretation-act-northern-ireland-1954/schedule-A1/paragraph-2",
      "extent": null,
      "status": null,
      "parent": "schedule/A1"
    },
    {
      "path": "schedule/A1/paragraph/3",
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      "number": "3",
      "heading": "Notification of time and place of inquiry",
      "url": "https://openlegislation.uk/interpretation-act-northern-ireland-1954/schedule-A1/paragraph-3",
      "extent": null,
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    {
      "path": "schedule/A1/paragraph/4",
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      "heading": "Powers to require persons to give evidence etc.",
      "url": "https://openlegislation.uk/interpretation-act-northern-ireland-1954/schedule-A1/paragraph-4",
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    {
      "path": "schedule/A1/paragraph/5",
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      "heading": "Oaths and statements",
      "url": "https://openlegislation.uk/interpretation-act-northern-ireland-1954/schedule-A1/paragraph-5",
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    {
      "path": "schedule/A1/paragraph/6",
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      "heading": "Offences",
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      "extent": "N.I.",
      "status": null,
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    {
      "path": "schedule/A1/paragraph/7",
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