{
  "url": "https://openlegislation.uk/hydrocarbon-oil-amendment-regulations-1977/note",
  "json_url": "https://openlegislation.uk/hydrocarbon-oil-amendment-regulations-1977/note.json",
  "legislation": "uksi/1977/1868",
  "legislation_title": "The Hydrocarbon Oil (Amendment) Regulations 1977",
  "legislation_url": "https://openlegislation.uk/hydrocarbon-oil-amendment-regulations-1977",
  "path": "note",
  "kind": "note",
  "number": null,
  "heading": "Explanatory note",
  "text": "These Regulations, which come into operation on 1st January 1978, introduce new methods of measurement in relation to the excise duty on hydrocarbon oil as follows:\nTemperature:“60°F” is replaced by “15°C”.\nPressure:“one atmosphere” is replaced by “1013.25 millibars”.\nVolume:the gallon is replaced by the litre.\nRegulation 2(d) amends references to the quantities and units used in determining the proportion of markers and colouring substances required to be added to certain rebated oils. The revised proportions are in practical terms the equivalent of those in force before 1st January 1978.\nThe Regulations are consequential on the Amendment of Units of Measurement (Hydrocarbon Oil, etc.) Order 1977 (S.I. 1977/1866) which makes like amendments to the principal legislation.",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/1977/1868/note",
    "retrieved_at": "2026-10-29T19:45:35.515966+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."
}