{
  "url": "https://openlegislation.uk/clean-air-emission-of-dark-smoke-exemption-regulations-1969/regulation-3",
  "json_url": "https://openlegislation.uk/clean-air-emission-of-dark-smoke-exemption-regulations-1969/regulation-3.json",
  "legislation": "uksi/1969/1263",
  "legislation_title": "The Clean Air (Emission of Dark Smoke) (Exemption) Regulations 1969",
  "legislation_url": "https://openlegislation.uk/clean-air-emission-of-dark-smoke-exemption-regulations-1969",
  "path": "regulation/3",
  "kind": "regulation",
  "number": "3",
  "heading": "Prescribed matter for purposes of section 1(3) of the Clean Air Act 1968",
  "text": "The emission of dark smoke caused by the burning of any matter prescribed in column (1) of schedule 1 to these regulations shall, subject to compliance with the conditions specified in column (2) against that matter, be exempted from section 1(1) of the Clean Air Act 1968 (which prohibits the emission of dark smoke from industrial or trade premises) and in that schedule—\n(a) references to a lettered condition are references to the condition so lettered and set out in schedule 2 to these regulations; and\n(b) references to matter which has been contaminated by other specified matter shall be read as including references to matter which is reasonably believed to have been so contaminated.",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/1969/1263/regulation/3",
    "retrieved_at": "2026-10-29T23:08:18.832202+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."
}