{
  "url": "https://openlegislation.uk/building-regulations-northern-ireland-2000/regulation-L3",
  "json_url": "https://openlegislation.uk/building-regulations-northern-ireland-2000/regulation-L3.json",
  "legislation": "nisr/2000/389",
  "legislation_title": "Building Regulations (Northern Ireland) 2000",
  "legislation_url": "https://openlegislation.uk/building-regulations-northern-ireland-2000",
  "path": "regulation/L3",
  "kind": "regulation",
  "number": "L3",
  "heading": "Prevention of smoke emission",
  "text": "A heat-producing appliance installed in a building for the purpose of heating or cooking, and which discharges its combustion products to the external air shall be capable of, or readily adaptable to, the burning of fuel smokelessly, unless it is—\n(a) a furnace which complies with Article 5 of the Clean Air (Northern Ireland) Order 1981 (which requires that new furnaces shall so far as practicable be smokeless); or\n(b) an appliance of a class exempted conditionally or unconditionally from the provisions of Article 17 of that Order (which relates to smoke control areas) by any order for the time being in force under paragraph (7) of that Article.",
  "extent": "N.I.",
  "status": "prospective",
  "version": "current",
  "annotations": [
    {
      "type": "footnote",
      "label": "f1",
      "text": "S.I. 1981 No. 158 (N.I. 4)"
    }
  ],
  "outstanding_effects": [
    {
      "type": "coming into force",
      "affecting": "nisr/2000/389",
      "affecting_title": "Building Regulations (Northern Ireland) 2000"
    }
  ],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/nisr/2000/389/regulation/L3",
    "retrieved_at": "2026-10-29T02:13:38.985369+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."
}