{
  "url": "https://openlegislation.uk/control-of-substances-hazardous-to-health-regulations-1988/regulation-4",
  "json_url": "https://openlegislation.uk/control-of-substances-hazardous-to-health-regulations-1988/regulation-4.json",
  "legislation": "uksi/1988/1657",
  "legislation_title": "The Control of Substances Hazardous to Health Regulations 1988",
  "legislation_url": "https://openlegislation.uk/control-of-substances-hazardous-to-health-regulations-1988",
  "path": "regulation/4",
  "kind": "regulation",
  "number": "4",
  "heading": "Prohibitions relating to certain substances",
  "text": "(1) Those substances described in column 1 of Schedule 2 are prohibited to the extent set out in the corresponding entry in column 2 of that Schedule.\n(2) The importation into the United Kingdom of the following substances and articles is prohibited, namely—\n(a) 2-naphthylamine, benzidine, 4—aminodiphenyl, 4—nitrodiphenyl, their salts and any substance containing any of those compounds in a total concentration exceeding 0.1 per cent.;\n(b) matches made with white phosphorus,\nand any contravention of this paragraph shall be punishable under the Customs and Excise Management Act 1979 and not as a contravention of a health and safety regulation.\n(3) A person shall not supply during the course of or for use at work any substance or article the importation of which is prohibited by paragraph (2).",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "footnote",
      "label": "f1",
      "text": "1979 c. 2."
    }
  ],
  "outstanding_effects": [
    {
      "type": "rev in pt",
      "affecting": "uksi/1993/745",
      "affecting_title": "The Health and Safety (Miscellaneous Modifications) Regulations 1993"
    },
    {
      "type": "amended",
      "affecting": "uksi/1993/745",
      "affecting_title": "The Health and Safety (Miscellaneous Modifications) Regulations 1993"
    }
  ],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/1988/1657/regulation/4",
    "retrieved_at": "2026-10-29T15:57:35.141344+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."
}