{
  "url": "https://openlegislation.uk/gas-safety-installation-and-use-regulations-northern-ireland-1997/regulation-4",
  "json_url": "https://openlegislation.uk/gas-safety-installation-and-use-regulations-northern-ireland-1997/regulation-4.json",
  "legislation": "nisr/1997/194",
  "legislation_title": "Gas Safety (Installation and Use) Regulations (Northern Ireland) 1997",
  "legislation_url": "https://openlegislation.uk/gas-safety-installation-and-use-regulations-northern-ireland-1997",
  "path": "regulation/4",
  "kind": "regulation",
  "number": "4",
  "heading": "Duty on employer",
  "text": "Where an employer or a self-employed person requires any work in relation to a gas fitting to be carried out at any place of work under his control, he shall take reasonable steps to ensure that the person undertaking that work is, or is employed by, a member of a class of persons approved by the Department under regulation 3(3).",
  "extent": "N.I.",
  "status": "prospective",
  "version": "current",
  "annotations": [
    {
      "type": "I",
      "label": "I1",
      "text": "Reg. 4 in operation at 12.5.1997, see reg. 1"
    }
  ],
  "outstanding_effects": [
    {
      "type": "coming into force",
      "affecting": "nisr/1997/194",
      "affecting_title": "Gas Safety (Installation and Use) Regulations (Northern Ireland) 1997"
    },
    {
      "type": "words substituted",
      "affecting": "nisr/1999/150",
      "affecting_title": "Health and Safety (Modifications) Regulations (Northern Ireland) 1999"
    }
  ],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/nisr/1997/194/regulation/4",
    "retrieved_at": "2026-10-29T02:29:12.947774+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."
}