{
  "url": "https://openlegislation.uk/tax-collection-and-management-wales-act-2016/section-135",
  "json_url": "https://openlegislation.uk/tax-collection-and-management-wales-act-2016/section-135.json",
  "legislation": "anaw/2016/6",
  "legislation_title": "Tax Collection and Management (Wales) Act 2016",
  "legislation_url": "https://openlegislation.uk/tax-collection-and-management-wales-act-2016",
  "path": "section/135",
  "kind": "section",
  "number": "135",
  "heading": "Potential lost revenue: normal rule",
  "text": "(1) The “potential lost revenue” in respect of—\n(a) an inaccuracy in a document (including an inaccuracy attributable to a supply of false information or withholding of information), or\n(b) a failure to notify an under-assessment,\nis the additional amount payable in respect of a WRA-collected tax or tax credit as a result of correcting the inaccuracy or under-assessment.\n(2) The reference in subsection (1) to the additional amount payable includes a reference to—\n(a) an amount payable to WRA having been erroneously paid by way of repayment of WRA-collected tax, ...\n(b) an amount which would have been repayable by WRA had the inaccuracy or under-assessment not been corrected, and\n(c) an amount which WRA would have been required to set off against a person’s liability to tax, or to pay to a person, had the inaccuracy or under-assessment not been corrected.",
  "extent": "E+W",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "F",
      "label": "F1",
      "text": "Word in Act substituted (19.9.2025) by Visitor Accommodation (Register and Levy) Etc. (Wales) Act 2025 (asc 5), s. 67(1), Sch. 2 para. 21"
    },
    {
      "type": "F",
      "label": "F2",
      "text": "Words in s. 135(1) inserted (1.4.2018) by The Landfill Disposals Tax (Administration) (Wales) Regulations 2018 (S.I. 2018/101), reg. 1(2), Sch. para. 32(2)"
    },
    {
      "type": "F",
      "label": "F3",
      "text": "Word in s. 135(2) omitted (1.4.2018) by virtue of The Landfill Disposals Tax (Administration) (Wales) Regulations 2018 (S.I. 2018/101), reg. 1(2), Sch. para. 32(3)(a)"
    },
    {
      "type": "F",
      "label": "F4",
      "text": "S. 135(2)(c) and word inserted (1.4.2018) by The Landfill Disposals Tax (Administration) (Wales) Regulations 2018 (S.I. 2018/101), reg. 1(2), Sch. para. 32(3)(b)"
    },
    {
      "type": "I",
      "label": "I1",
      "text": "S. 135 in force at 1.4.2018 by S.I. 2018/33, art. 3"
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/anaw/2016/6/section/135",
    "retrieved_at": "2026-10-29T20:18:13.778220+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."
}