{
  "url": "https://openlegislation.uk/control-of-asbestos-at-work-regulations-1987/regulation-4",
  "json_url": "https://openlegislation.uk/control-of-asbestos-at-work-regulations-1987/regulation-4.json",
  "legislation": "uksi/1987/2115",
  "legislation_title": "The Control of Asbestos at Work Regulations 1987",
  "legislation_url": "https://openlegislation.uk/control-of-asbestos-at-work-regulations-1987",
  "path": "regulation/4",
  "kind": "regulation",
  "number": "4",
  "heading": "Identification of the type of asbestos",
  "text": "An employer shall not carry out any work which exposes or is liable to expose any of his employees to asbestos unless either—\n(a) before commencing that work, he has identified, by analysis or otherwise, the type of asbestos involved in the work; or\n(b) he has assumed that the asbestos is crocidolite or amosite and for the purposes of these Regulations has treated it accordingly.",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [
    {
      "type": "words substituted",
      "affecting": "uksi/1992/3068",
      "affecting_title": "The Control of Asbestos at Work (Amendment) Regulations 1992"
    }
  ],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/1987/2115/regulation/4",
    "retrieved_at": "2026-10-29T16:15:39.605464+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."
}