{
  "summary": "In the United States tariff, line 4901.99.00.50 covers technical, scientific and professional books. Goods under this line enter free of general (MFN) duty. It falls under HS subheading 4901.99 in heading 49.01 (chapter 49).",
  "updatedAt": "2026-10-09",
  "facts": [
    {
      "label": "Tariff line",
      "value": "4901.99.00.50",
      "source": "https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false"
    },
    {
      "label": "Covers",
      "value": "Technical, scientific and professional books",
      "source": "https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false"
    },
    {
      "label": "Duty (MFN)",
      "value": "Free",
      "source": "https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false"
    },
    {
      "label": "Additional duties",
      "value": "None recorded",
      "source": null
    },
    {
      "label": "Restrictions",
      "value": "None recorded",
      "source": null
    },
    {
      "label": "Tariff",
      "value": "United States",
      "source": "https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false",
      "url": "https://border.bot/countries/united-states"
    },
    {
      "label": "HS subheading",
      "value": "4901.99",
      "source": null,
      "url": "https://border.bot/hs-codes/490199"
    }
  ],
  "faq": [
    {
      "question": "What does tariff line 4901.99.00.50 cover in the United States tariff?",
      "answer": "In the United States tariff, line 4901.99.00.50 covers technical, scientific and professional books."
    },
    {
      "question": "What is the general (MFN) duty on 4901.99.00.50 in the United States?",
      "answer": "Goods under this line enter free of general (MFN) duty. The rate is published on 4901.99.00."
    }
  ],
  "sections": [
    {
      "id": "covers",
      "title": "What this line covers",
      "text": [
        "In the United States tariff, line 4901.99.00.50 covers technical, scientific and professional books.",
        "Its legal text is “Technical, scientific and professional books”, read under “Other”, “Other” and “Other”."
      ]
    },
    {
      "id": "structure",
      "title": "How it is structured",
      "text": [
        "It falls under HS subheading 4901.99 in heading 49.01 (chapter 49). The first six digits are the Harmonized System code; the 4 digits after them are added by the United States tariff."
      ]
    },
    {
      "id": "duty",
      "title": "Duty",
      "text": [
        "Goods under this line enter free of general (MFN) duty.",
        "The rate is published on 4901.99.00."
      ]
    },
    {
      "id": "other-countries",
      "title": "In other countries",
      "text": [
        "No other national tariff on border.bot has live lines under 4901.99 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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  "data": {
    "type": "country-line",
    "country": {
      "code": "US",
      "name": "United States",
      "slug": "united-states"
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    "schedule": {
      "code": "US",
      "name": "United States",
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    "localTaxes": [],
    "localDeminimis": [],
    "ratesLive": true,
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        "liveAt": "2026-10-09T21:15:36.287Z",
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        "sourceUrls": [
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    "chapter": {
      "code": "49",
      "description": "Printed books, newspapers, pictures and other products of the printing industry; manuscripts, typescripts and plans"
    },
    "heading": {
      "code": "4901",
      "description": "Printed books, brochures, leaflets and similar printed matter, whether or not in single sheets"
    },
    "subheading": {
      "code": "490199",
      "description": "Other: Other"
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    "line": {
      "code": "4901990050",
      "description": "Technical, scientific and professional books",
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      "english": null,
      "keywords": [],
      "lang": "en",
      "general": {
        "code": "49019900",
        "dutyText": "Free",
        "startDate": null,
        "endDate": null,
        "unit": null
      },
      "preferences": [],
      "measures": [],
      "restrictions": []
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    "siblings": [
      {
        "code": "4901990010",
        "description": "Textbooks"
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      {
        "code": "4901990020",
        "description": "Bound newspapers, journals and periodicals provided for in Legal Note 3 to this chapter"
      },
      {
        "code": "4901990030",
        "description": "Directories"
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      {
        "code": "4901990040",
        "description": "Bibles, testaments, prayer books and other religious books"
      },
      {
        "code": "4901990060",
        "description": "Valued under $5 each"
      },
      {
        "code": "4901990065",
        "description": "Valued $5 or more each"
      },
      {
        "code": "4901990070",
        "description": "Hardbound books"
      },
      {
        "code": "4901990075",
        "description": "Rack size paperbound books"
      },
      {
        "code": "4901990091",
        "description": "Containing not more than 4 pages each (excluding covers)"
      },
      {
        "code": "4901990092",
        "description": "Containing 5 or more pages each, but not more than 48 pages each (excluding covers)"
      },
      {
        "code": "4901990093",
        "description": "Containing 49 or more pages each (excluding covers)"
      }
    ],
    "siblingsTotal": 11,
    "previous": {
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      "description": "Bibles, testaments, prayer books and other religious books",
      "indexable": true
    },
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      "indexable": true
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    "pages": 1,
    "size": 100,
    "total": 0,
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  "code": "4901990050",
  "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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