{
  "summary": "The United States tariff splits HS 9031.80 (other instruments, appliances and machines) into 4 national lines: 9031.80.40.00 (electron beam microscopes fitted with equipment specifically designed for the handling and transport of semiconductor wafers or reticles), 9031.80.80.60 (for testing electrical characteristics), 9031.80.80.70 (other) and 9031.80.80.85 (other). Every United States line under 9031.80 is free of general (MFN) duty.",
  "updatedAt": "2026-10-09",
  "facts": [
    {
      "label": "HS subheading",
      "value": "9031.80",
      "source": null,
      "url": "https://border.bot/hs-codes/903180"
    },
    {
      "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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      "source": null
    }
  ],
  "faq": [
    {
      "question": "How many national tariff lines does the United States tariff have under HS 9031.80?",
      "answer": "The United States tariff splits HS 9031.80 (other instruments, appliances and machines) into 4 national lines: 9031.80.40.00 (electron beam microscopes fitted with equipment specifically designed for the handling and transport of semiconductor wafers or reticles), 9031.80.80.60 (for testing electrical characteristics), 9031.80.80.70 (other) and 9031.80.80.85 (other)."
    },
    {
      "question": "What is the duty on HS 9031.80 in the United States?",
      "answer": "Every United States line under 9031.80 is free of general (MFN) duty."
    }
  ],
  "sections": [
    {
      "id": "covers",
      "title": "United States lines under 9031.80",
      "text": [
        "The United States tariff splits HS 9031.80 (other instruments, appliances and machines) into 4 national lines: 9031.80.40.00 (electron beam microscopes fitted with equipment specifically designed for the handling and transport of semiconductor wafers or reticles), 9031.80.80.60 (for testing electrical characteristics), 9031.80.80.70 (other) and 9031.80.80.85 (other).",
        "Every United States line under 9031.80 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 9031.80 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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    "heading": {
      "code": "9031",
      "description": "Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this chapter; profile projectors; parts and accessories thereof"
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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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