{
  "summary": "The United States tariff splits HS 2809.20 (phosphoric acid and polyphosphoric acids) into 4 national lines: 2809.20.00.10 (containing less than 65 percent available diphosphorus pentaoxide (P2O5) equivalents), 2809.20.00.20 (other), 2809.20.00.30 (other) and 2809.20.00.40 (polyphosphoric acids). Every United States line under 2809.20 is free of general (MFN) duty.",
  "updatedAt": "2026-10-09",
  "facts": [
    {
      "label": "HS subheading",
      "value": "2809.20",
      "source": null,
      "url": "https://border.bot/hs-codes/280920"
    },
    {
      "label": "Duty (MFN)",
      "value": "Free",
      "source": "https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false"
    },
    {
      "label": "National lines",
      "value": "4",
      "source": null
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      "value": "28: Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes",
      "source": null
    }
  ],
  "faq": [
    {
      "question": "How many national tariff lines does the United States tariff have under HS 2809.20?",
      "answer": "The United States tariff splits HS 2809.20 (phosphoric acid and polyphosphoric acids) into 4 national lines: 2809.20.00.10 (containing less than 65 percent available diphosphorus pentaoxide (P2O5) equivalents), 2809.20.00.20 (other), 2809.20.00.30 (other) and 2809.20.00.40 (polyphosphoric acids)."
    },
    {
      "question": "What is the duty on HS 2809.20 in the United States?",
      "answer": "Every United States line under 2809.20 is free of general (MFN) duty."
    }
  ],
  "sections": [
    {
      "id": "covers",
      "title": "United States lines under 2809.20",
      "text": [
        "The United States tariff splits HS 2809.20 (phosphoric acid and polyphosphoric acids) into 4 national lines: 2809.20.00.10 (containing less than 65 percent available diphosphorus pentaoxide (P2O5) equivalents), 2809.20.00.20 (other), 2809.20.00.30 (other) and 2809.20.00.40 (polyphosphoric acids).",
        "Every United States line under 2809.20 is free of general (MFN) duty."
      ]
    },
    {
      "id": "other-countries",
      "title": "In other countries",
      "text": [
        "No other national tariff on border.bot has live lines under 2809.20 yet."
      ]
    },
    {
      "id": "sources",
      "title": "Sources and updates",
      "text": [
        "The tariff lines for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.",
        "The duty rates for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.",
        "The trade programmes for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.",
        "This page was last updated on 9 October 2026.",
        "Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling."
      ]
    }
  ],
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      "code": "US",
      "name": "United States",
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      "name": "United States",
      "slug": "united-states"
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    "borrowed": false,
    "localTaxes": [],
    "localDeminimis": [],
    "ratesLive": true,
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        "liveAt": "2026-10-09T21:15:36.287Z",
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    "dateModified": "2026-10-09T21:15:58.040Z",
    "chapter": {
      "code": "28",
      "description": "Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes"
    },
    "heading": {
      "code": "2809",
      "description": "Diphosphorus pentaoxide; phosphoric acid;polyphosphoric acids, whether or not chemically defined"
    },
    "subheading": {
      "code": "280920",
      "description": "Phosphoric acid and polyphosphoric acids"
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        "code": "2809200010",
        "description": "Containing less than 65 percent available diphosphorus pentaoxide (P2O5) equivalents",
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        "measures": [],
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        "code": "2809200040",
        "description": "Polyphosphoric acids",
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          "Polyphosphoric acids"
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      "indexable": false
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      "code": "281000",
      "description": "Oxides of boron; boric acids",
      "indexable": false
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  "code": "280920",
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  "terms": "https://border.bot/legal/terms",
  "notice": "Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.",
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