{
  "url": "https://openlegislation.uk/construction-design-and-management-regulations-2015/regulation-5",
  "json_url": "https://openlegislation.uk/construction-design-and-management-regulations-2015/regulation-5.json",
  "legislation": "uksi/2015/51",
  "legislation_title": "The Construction (Design and Management) Regulations 2015",
  "legislation_url": "https://openlegislation.uk/construction-design-and-management-regulations-2015",
  "path": "regulation/5",
  "kind": "regulation",
  "number": "5",
  "heading": "Appointment of the principal designer and the principal contractor",
  "text": "(1) Where there is more than one contractor, or if it is reasonably foreseeable that more than one contractor will be working on a project at any time, the client must appoint in writing—\n(a) a designer with control over the pre-construction phase as principal designer; and\n(b) a contractor as principal contractor.\n(2) The appointments must be made as soon as is practicable, and, in any event, before the construction phase begins.\n(3) If the client fails to appoint a principal designer, the client must fulfil the duties of the principal designer in regulation 11 and 12.\n(4) If the client fails to appoint a principal contractor, the client must fulfil the duties of the principal contractor in regulations 12 to 14.",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/2015/51/regulation/5",
    "retrieved_at": "2026-10-28T23:49:56.536245+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."
}