{
  "summary": "In the United States tariff, line 9018.90.40.00 covers other instruments and appliances and parts and accessories thereof, percussion hammers, stethoscopes and parts of stethoscopes. Goods under this line enter free of general (MFN) duty. It falls under HS subheading 9018.90 in heading 90.18 (chapter 90).",
  "updatedAt": "2026-10-09",
  "facts": [
    {
      "label": "Tariff line",
      "value": "9018.90.40.00",
      "source": "https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false"
    },
    {
      "label": "Covers",
      "value": "Other instruments and appliances and parts and accessories thereof, percussion hammers, stethoscopes and parts of stethoscopes",
      "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": "9018.90",
      "source": null,
      "url": "https://border.bot/hs-codes/901890"
    }
  ],
  "faq": [
    {
      "question": "What does tariff line 9018.90.40.00 cover in the United States tariff?",
      "answer": "In the United States tariff, line 9018.90.40.00 covers other instruments and appliances and parts and accessories thereof, percussion hammers, stethoscopes and parts of stethoscopes."
    },
    {
      "question": "What is the general (MFN) duty on 9018.90.40.00 in the United States?",
      "answer": "Goods under this line enter free of general (MFN) duty."
    }
  ],
  "sections": [
    {
      "id": "covers",
      "title": "What this line covers",
      "text": [
        "In the United States tariff, line 9018.90.40.00 covers other instruments and appliances and parts and accessories thereof, percussion hammers, stethoscopes and parts of stethoscopes.",
        "Its legal text is “Percussion hammers, stethoscopes and parts of stethoscopes”, read under “Other instruments and appliances and parts and accessories thereof” and “Other”."
      ]
    },
    {
      "id": "structure",
      "title": "How it is structured",
      "text": [
        "It falls under HS subheading 9018.90 in heading 90.18 (chapter 90). 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."
      ]
    },
    {
      "id": "other-countries",
      "title": "In other countries",
      "text": [
        "No other national tariff on border.bot has live lines under 9018.90 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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      "code": "US",
      "name": "United States",
      "slug": "united-states"
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    "localTaxes": [],
    "localDeminimis": [],
    "ratesLive": true,
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        "liveAt": "2026-10-09T21:15:50.043Z",
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        "liveAt": "2026-10-09T21:15:58.040Z",
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    "dateModified": "2026-10-09T21:15:58.040Z",
    "chapter": {
      "code": "90",
      "description": "Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; parts and accessories thereof"
    },
    "heading": {
      "code": "9018",
      "description": "Instruments and appliances used in medical, surgical, dental or veterinary sciences, including scintigraphic apparatus, other electro-medical apparatus and sight-testing instruments; parts and accessories thereof"
    },
    "subheading": {
      "code": "901890",
      "description": "Other instruments and appliances"
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      "description": "Percussion hammers, stethoscopes and parts of stethoscopes",
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        "code": "9018904000",
        "dutyText": "Free",
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        "unit": null
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      "measures": [],
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        "description": "Mirrors and reflectors"
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        "code": "9018906000",
        "description": "Electro-surgical instruments and appliances, other than extracorporeal shock wave lithotripters; all the foregoing and parts and accessories thereof"
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      {
        "code": "9018906400",
        "description": "Defibrillators"
      },
      {
        "code": "9018906800",
        "description": "Printed circuit assemblies for the defibrillators of subheading 9018.90.64"
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      {
        "code": "9018907520",
        "description": "Dialysis instruments and apparatus"
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        "code": "9018908000",
        "description": "Other"
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  "code": "9018904000",
  "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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