{
  "summary": "The United States tariff splits HS 3104.20 (potassium chloride) into 2 national lines: 3104.20.00.10 (containing not more than 62 percent by weight of potassium oxide (K2O)) and 3104.20.00.50 (containing more than 62 percent by weight of potassium oxide (K2O)). Every United States line under 3104.20 is free of general (MFN) duty.",
  "updatedAt": "2026-10-09",
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    {
      "label": "HS subheading",
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      "source": null,
      "url": "https://border.bot/hs-codes/310420"
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    {
      "label": "Duty (MFN)",
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    {
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      "value": "31: Fertilisers",
      "source": null
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  "faq": [
    {
      "question": "How many national tariff lines does the United States tariff have under HS 3104.20?",
      "answer": "The United States tariff splits HS 3104.20 (potassium chloride) into 2 national lines: 3104.20.00.10 (containing not more than 62 percent by weight of potassium oxide (K2O)) and 3104.20.00.50 (containing more than 62 percent by weight of potassium oxide (K2O))."
    },
    {
      "question": "What is the duty on HS 3104.20 in the United States?",
      "answer": "Every United States line under 3104.20 is free of general (MFN) duty."
    }
  ],
  "sections": [
    {
      "id": "covers",
      "title": "United States lines under 3104.20",
      "text": [
        "The United States tariff splits HS 3104.20 (potassium chloride) into 2 national lines: 3104.20.00.10 (containing not more than 62 percent by weight of potassium oxide (K2O)) and 3104.20.00.50 (containing more than 62 percent by weight of potassium oxide (K2O)).",
        "Every United States line under 3104.20 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 3104.20 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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      "name": "United States",
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    "dateModified": "2026-10-09T21:15:58.040Z",
    "chapter": {
      "code": "31",
      "description": "Fertilisers"
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    "heading": {
      "code": "3104",
      "description": "Mineral or chemical fertilizers, potassic"
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    "subheading": {
      "code": "310420",
      "description": "Potassium chloride"
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        "description": "Containing not more than 62 percent by weight of potassium oxide (K2O)",
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          "dutyText": "Free",
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        "measures": [],
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        "code": "3104200050",
        "description": "Containing more than 62 percent by weight of potassium oxide (K2O)",
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      "code": "310390",
      "description": "Mineral or chemical fertilizers, phosphatic",
      "indexable": false
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      "code": "310430",
      "description": "Mineral or chemical fertilizers, potassic",
      "indexable": false
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  "code": "310420",
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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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