{
  "summary": "HS code 3914.00 covers ion-exchangers based on polymers of headings 39.01 to 39.13, in primary forms. It sits in heading 39.14 (ion-exchangers based on polymers of headings 39.01 to 39.13, in primary forms) in chapter 39 (plastics and articles thereof). It is the only subheading of heading 39.14, so every good of the heading is classified here. National tariff lines under 3914.00 are live on border.bot for the United States (2 lines, also used by 1 other country).",
  "updatedAt": "2026-10-11",
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    {
      "label": "HS code",
      "value": "3914.00",
      "source": "border.bot release GLOBAL:hs #2"
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    {
      "label": "Covers",
      "value": "Ion-exchangers based on polymers of headings 39.01 to 39.13, in primary forms",
      "source": "border.bot release GLOBAL:hs #2"
    },
    {
      "label": "Heading",
      "value": "39.14: Ion-exchangers based on polymers of headings 39.01 to 39.13, in primary forms",
      "source": "border.bot release GLOBAL:hs #2",
      "url": "https://border.bot/hs-codes/3914"
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    {
      "label": "Chapter",
      "value": "39: Plastics and articles thereof",
      "source": "border.bot release GLOBAL:hs #2",
      "url": "https://border.bot/hs-codes/39"
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    {
      "label": "Edition",
      "value": "HS2022",
      "source": "border.bot release GLOBAL:hs #2"
    },
    {
      "label": "Duty in the United States",
      "value": "See its 2 lines",
      "source": null,
      "url": "https://border.bot/countries/united-states/hs-codes/391400"
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  "faq": [
    {
      "question": "What does HS code 3914.00 cover?",
      "answer": "HS code 3914.00 covers ion-exchangers based on polymers of headings 39.01 to 39.13, in primary forms."
    },
    {
      "question": "Which heading and chapter is HS code 3914.00 in?",
      "answer": "HS code 3914.00 is in heading 39.14 (ion-exchangers based on polymers of headings 39.01 to 39.13, in primary forms) in chapter 39 (plastics and articles thereof)."
    },
    {
      "question": "Where are goods of heading 39.14 classified when 3914.00 doesn’t fit?",
      "answer": "3914.00 is the only subheading of heading 39.14, so every good of the heading is classified there."
    },
    {
      "question": "Which countries’ tariffs list national lines under HS code 3914.00?",
      "answer": "National tariff lines under 3914.00 are live on border.bot for the United States (2 lines, also used by 1 other country)."
    }
  ],
  "sections": [
    {
      "id": "covers",
      "title": "What this code covers",
      "text": [
        "HS code 3914.00 covers ion-exchangers based on polymers of headings 39.01 to 39.13, in primary forms.",
        "The legal text of the subheading is “Ion-exchangers based on polymers of headings 39.01 to 39.13, in primary forms”, in HS2022."
      ]
    },
    {
      "id": "not-covered",
      "title": "What it doesn’t cover",
      "text": [
        "It is the only subheading of heading 39.14, so every good of the heading is classified here."
      ]
    },
    {
      "id": "structure",
      "title": "How it is structured",
      "text": [
        "3914.00 is a six-digit subheading. Its first two digits, 39, are the chapter; the first four, 3914, are heading 39.14; the last two, 00, identify the subheading within the heading.",
        "Countries add their own digits after these six for their national tariff lines."
      ]
    },
    {
      "id": "other-countries",
      "title": "In other countries",
      "text": [
        "National tariff lines under 3914.00 are live on border.bot for the United States (2 lines, also used by 1 other country)."
      ]
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      "id": "sources",
      "title": "Sources and updates",
      "text": [
        "The Harmonized System legal text comes from border.bot release 2 (edition HS 2022), imported from a file, and has been live since 11 October 2026.",
        "This page was last updated on 11 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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    "type": "hs-subheading",
    "edition": "HS2022",
    "chapter": {
      "code": "39",
      "description": "Plastics and articles thereof"
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    "heading": {
      "code": "3914",
      "description": "Ion-exchangers based on polymers of headings 39.01 to 39.13, in primary forms"
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        "name": "United States",
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        "lines": 2,
        "members": 1
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        "dataset": "GLOBAL:hs",
        "country": "GLOBAL",
        "kind": "hs",
        "seq": 2,
        "version": "mytraddal hs2022.csv (HS 2022)",
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  "code": "391400",
  "attribution": "border.bot tariff reference (border.bot), compiled from the official publishers named on each page.",
  "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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