{
  "url": "https://openlegislation.uk/pressure-systems-and-transportable-gas-containers-regulations-1989/schedule-2/part-I/paragraph-4",
  "json_url": "https://openlegislation.uk/pressure-systems-and-transportable-gas-containers-regulations-1989/schedule-2/part-I/paragraph-4.json",
  "legislation": "uksi/1989/2169",
  "legislation_title": "The Pressure Systems and Transportable Gas Containers Regulations 1989",
  "legislation_url": "https://openlegislation.uk/pressure-systems-and-transportable-gas-containers-regulations-1989",
  "path": "schedule/2/part/I/paragraph/4",
  "kind": "paragraph",
  "number": "4",
  "heading": null,
  "text": "That part of a system which is only a pressure system because it is–\n(a) subject to a leak test (except that this sub-paragraph shall not apply to a pipeline);\n(b) pressurised unintentionally, such pressurisation being not reasonably foreseeable; or\n(c) a pipeline pressurised by a relevant fluid solely as part of a test or line clearance operation, but this exception shall not apply if the pipeline–\n(i) is used for the conveyance of a relevant fluid, or\n(ii) is pressurised beyond its safe operating limits.",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [
    {
      "type": "revoked in part",
      "affecting": "uksi/1996/2092",
      "affecting_title": "The Carriage of Dangerous Goods (Classification, Packaging and Labelling) and Use of Transportable Pressure Receptacles Regulations 1996"
    },
    {
      "type": "substituted",
      "affecting": "uksi/1996/2092",
      "affecting_title": "The Carriage of Dangerous Goods (Classification, Packaging and Labelling) and Use of Transportable Pressure Receptacles Regulations 1996"
    },
    {
      "type": "added",
      "affecting": "uksi/1996/2092",
      "affecting_title": "The Carriage of Dangerous Goods (Classification, Packaging and Labelling) and Use of Transportable Pressure Receptacles Regulations 1996"
    },
    {
      "type": "words substituted",
      "affecting": "uksi/1992/743",
      "affecting_title": "The Road Traffic (Carriage of Dangerous Substances in Road Tankers and Tank Containers) Regulations 1992"
    },
    {
      "type": "amended",
      "affecting": "uksi/1996/1656",
      "affecting_title": "The Work in Compressed Air Regulations 1996"
    },
    {
      "type": "words substituted",
      "affecting": "uksi/1997/2776",
      "affecting_title": "The Diving at Work Regulations 1997"
    }
  ],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/1989/2169/schedule/2/part/I/paragraph/4",
    "retrieved_at": "2026-10-29T15:34:27.543297+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."
}