{
  "url": "https://openlegislation.uk/eu-regulation-2012-601/annex-VIII/division-1",
  "json_url": "https://openlegislation.uk/eu-regulation-2012-601/annex-VIII/division-1.json",
  "legislation": "eur/2012/601",
  "legislation_title": "Commission Regulation (EU) No 601/2012 of 21 June 2012 on the monitoring and reporting of greenhouse gas emissions pursuant to Directive 2003/87/EC of the European Parliament and of the Council (Text with EEA relevance) (repealed)",
  "legislation_url": "https://openlegislation.uk/eu-regulation-2012-601",
  "path": "annex/VIII/division/1",
  "kind": "division",
  "number": "1",
  "heading": "Tier definitions for measurement-based methodologies",
  "text": "Measurement-based methodologies shall be approved in accordance with tiers with the following maximum permissible uncertainties for the annual average hourly emissions calculated in accordance with Equation 2 set out in section 3 of this Annex.\nTable 1\nTiers for CEMS (maximum permissible uncertainty for each tier)\nTier 1\nTier 2\nTier 3\nTier 4\nCO2 emission sources\n± 10 %\n± 7,5 %\n± 5 %\n± 2,5 %\nN2O emission sources\n± 10 %\n± 7,5 %\n± 5 %\nN.A.\nCO2 transfer\n± 10 %\n± 7,5 %\n± 5 %\n± 2,5 %",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eur/2012/601/annex/VIII/division/1",
    "retrieved_at": "2026-11-01T14:49:20.227833+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."
}