{
  "url": "https://openlegislation.uk/motor-vehicles-authorisation-of-special-types-order-northern-ireland-1997/article-21",
  "json_url": "https://openlegislation.uk/motor-vehicles-authorisation-of-special-types-order-northern-ireland-1997/article-21.json",
  "legislation": "nisr/1997/109",
  "legislation_title": "Motor Vehicles (Authorisation of Special Types) Order (Northern Ireland) 1997",
  "legislation_url": "https://openlegislation.uk/motor-vehicles-authorisation-of-special-types-order-northern-ireland-1997",
  "path": "article/21",
  "kind": "article",
  "number": "21",
  "heading": "Engineering plant",
  "text": "(1) The Department authorises the use on roads of engineering plant notwithstanding that such vehicles do not comply in all respects with the requirements of the Construction and Use Regulations, subject to the following restrictions and conditions set out in paragraph (2) and in all cases the further conditions specified in Article 22.\n(2) The restrictions and conditions referred to in paragraph (1) are—\n(a) the restriction specified in Article 27(2) save as provided in paragraph (c);\n(b) in a case where Article 25, 26, 28 or 29 applies, the conditions specified in such of those Articles as are applicable save as provided in paragraph (c);\n(c) in a case where a vehicle or combination of vehicles disregarding the date of its manufacture complies with the conditions specified in paragraphs (j), (p), (q) and (t) of Article 20, the conditions specified in Article 24(1) shall apply as if the use of the vehicle or combination of vehicles was authorised by Articles 19 and 20; and\n(d) in a case where the overall width of the vehicle, or of the vehicle together with the width of any lateral projection or projections of its load, exceeds 5 metres, the conditions specified in Article 27.",
  "extent": "N.I.",
  "status": "prospective",
  "version": "current",
  "annotations": [
    {
      "type": "I",
      "label": "I1",
      "text": "Art. 21 in operation at 7.4.1997, see art. 1"
    }
  ],
  "outstanding_effects": [
    {
      "type": "coming into force",
      "affecting": "nisr/1997/109",
      "affecting_title": "Motor Vehicles (Authorisation of Special Types) Order (Northern Ireland) 1997"
    }
  ],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/nisr/1997/109/article/21",
    "retrieved_at": "2026-10-29T02:30:12.016317+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."
}