{
 "url": "https://activatedigital.ai/knowledge/guides/measurement-denominators-scans-repairs-recalls-resale",
 "title": "The Denominator Problem: How to Measure Scans, Repairs, Recalls and Resale",
 "description": "Measure scan, repair, recall and resale rates with the right eligible population, exposure rule and time window instead of dividing actions by the wrong total.",
 "territory": "impl",
 "category": null,
 "direct_answer": "A scan, repair, recall response or resale percentage is interpretable only when four things are explicit: **the numerator, the eligible denominator, what counts as exposure and the time window**. Different connected-product funnels need different denominators, so the total number of products made, codes printed or products in market is not a universal base.",
 "last_verified": "2026-09-04",
 "verified_label": "Last verified",
 "datePublished": "2026-09-04",
 "dateModified": "2026-09-04",
 "legislation": [],
 "primary_sources": [
  {
   "url": "https://ref.gs1.org/standards/resolver/",
   "name": "GS1: GS1-Conformant Resolver Standard, 19 August 2026. Used to establish the measurable resolver-request boundary and its limits."
  },
  {
   "url": "https://ref.gs1.org/standards/epcis/",
   "name": "GS1: EPCIS and CBV Standard, 1 July 2025. Used for standard lifecycle-event dimensions; not treated as evidence of universal event sharing or causal attribution."
  },
  {
   "url": "https://www.fda.gov/food/food-safety-modernization-act-fsma/fsma-final-rule-requirements-additional-traceability-records-certain-foods",
   "name": "US FDA: FSMA Final Rule: Requirements for Additional Traceability Records for Certain Foods, 21 November 2022. Used as a bounded example of cross-actor traceability built around defined events, data elements and lot codes."
  },
  {
   "url": "https://smartlabel.org/wp-content/uploads/2022/10/Consumer-Research_2021-topline-prez-with-idis.pdf",
   "name": "SmartLabel: Consumer Research 2021. Used to distinguish stated survey behaviour from an observed exposure-adjusted scan rate."
  },
  {
   "url": "https://www.gs1uk.org/sites/default/files/GS1UK-Polytag-Ocado-Case-study.pdf",
   "name": "GS1 UK / Polytag / Ocado: rewarding recycling with unique QR codes. Used to show why coded/printed units are not automatically an eligible exposure denominator."
  }
 ],
 "glossary_terms": [
  "https://activatedigital.ai/knowledge/glossary#digital-product-passport",
  "https://activatedigital.ai/knowledge/glossary#epcis",
  "https://activatedigital.ai/knowledge/glossary#resolver",
  "https://activatedigital.ai/knowledge/glossary#traceability"
 ],
 "watch": [],
 "decisions": [],
 "alternates": {
  "html": "https://activatedigital.ai/knowledge/guides/measurement-denominators-scans-repairs-recalls-resale",
  "markdown": "https://activatedigital.ai/knowledge/guides/measurement-denominators-scans-repairs-recalls-resale.md",
  "json": "https://activatedigital.ai/knowledge/guides/measurement-denominators-scans-repairs-recalls-resale.json"
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}