{
  "url": "https://openlegislation.uk/weights-and-measures-packaged-goods-regulations-northern-ireland-2011/regulation-4",
  "json_url": "https://openlegislation.uk/weights-and-measures-packaged-goods-regulations-northern-ireland-2011/regulation-4.json",
  "legislation": "nisr/2011/331",
  "legislation_title": "The Weights and Measures (Packaged Goods) Regulations (Northern Ireland) 2011",
  "legislation_url": "https://openlegislation.uk/weights-and-measures-packaged-goods-regulations-northern-ireland-2011",
  "path": "regulation/4",
  "kind": "regulation",
  "number": "4",
  "heading": "Duty to comply with the three packers’ rules",
  "text": "(1) It shall be the duty of the packer or importer of packages to ensure that they are made up in such a way as to satisfy the following rules—\n(a) the contents of the packages shall be not less on average than the nominal quantity;\n(b) the proportion of packages having a negative error greater than the tolerable negative error shall be sufficiently small for batches of packages to satisfy the requirements specified in Schedule 2;\n(c) a package shall not have a negative error greater than twice the tolerable negative error.\n(2) Compliance with the rules in paragraphs (1)(a) and (b) shall be determined by the reference test.",
  "extent": "N.I.",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "I",
      "label": "I1",
      "text": "Reg. 4 in operation at 1.11.2011, see reg. 1"
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/nisr/2011/331/regulation/4",
    "retrieved_at": "2026-10-29T01:19:42.068096+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."
}