{
 "license": "https://creativecommons.org/licenses/by/4.0/",
 "id": "ifra-51st-amendment",
 "type": "HistoricalEvent",
 "version": 1,
 "updated": "2026-09-30",
 "station": 12,
 "confidence": "B",
 "sources": [
  "IFRA-2",
  "IFRA-035",
  "IFRA-043",
  "IFRA-100"
 ],
 "title": "IFRA’s 51st Amendment (2022 or 2023)",
 "date": {
  "value": "2022–2023",
  "precision": "range",
  "year": 2022,
  "evidence": "documented",
  "source": "IFRA-2",
  "where": "docs/sources/IFRA-2-standards-documentation.md:14",
  "quote": "Introduced in 2022, it includes new rules and limits on certain fragrance materials based on the latest scientific research.",
  "confidence": "B",
  "sources": [
   "IFRA-035"
  ],
  "note": "IFRA’s documentation page says the 51st Amendment was \"introduced in 2022\"; its Standards carry \"Publication date: 2023 (Amendment 51)\""
 },
 "kind": "regulation",
 "what": {
  "value": "IFRA introduces its 51st Amendment, with new rules and limits on certain fragrance materials, among them eugenol, hydroxycitronellal and methyl eugenol.",
  "evidence": "documented",
  "source": "IFRA-2",
  "where": "docs/sources/IFRA-2-standards-documentation.md:14",
  "quote": "Introduced in 2022, it includes new rules and limits on certain fragrance materials based on the latest scientific research.",
  "confidence": "A"
 },
 "label": "documented",
 "place": {
  "value": null,
  "evidence": null,
  "source": null,
  "where": null,
  "confidence": null,
  "note": "no place on record for this event"
 },
 "actors": [],
 "disagreements": [
  {
   "text": "IFRA’s documentation page: \"Introduced in 2022\"; the Standards of the Amendment: \"Publication date: 2023 (Amendment 51)\". The record gives both.",
   "sources": [
    "IFRA-2",
    "IFRA-035",
    "IFRA-043",
    "IFRA-100"
   ]
  }
 ],
 "molecules": [],
 "materials": [],
 "botanicals": [],
 "origins": [],
 "perfumers": [],
 "fragrances": [],
 "regulations": [
  "ifra-eugenol",
  "ifra-hydroxycitronellal",
  "ifra-methyl-eugenol"
 ],
 "accords": [],
 "media": [],
 "links": {
  "essay": "/history#mega-timeline"
 },
 "copy": {
  "lede": "IFRA’s 51st Amendment is dated 2022 by IFRA’s own page and 2023 by the Standards it contains.",
  "body": [
   "Three of the IFRA Standards recorded here belong to it."
  ]
 }
}