{
  "summary": "The United States tariff splits HS 2615.90 (niobium (columbium), tantalum, vanadium or zirconium ores and concentrates) into 4 national lines: 2615.90.30.00 (synthetic tantalum-niobium (columbium) concentrates), 2615.90.60.30 (niobium (columbium) ores and concentrates), 2615.90.60.60 (tantalum ores and concentrates) and 2615.90.60.90 (vanadium ores and concentrates). Every United States line under 2615.90 is free of general (MFN) duty.",
  "updatedAt": "2026-10-09",
  "facts": [
    {
      "label": "HS subheading",
      "value": "2615.90",
      "source": null,
      "url": "https://border.bot/hs-codes/261590"
    },
    {
      "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
    },
    {
      "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": "Chapter",
      "value": "26: Ores, slag and ash",
      "source": null
    }
  ],
  "faq": [
    {
      "question": "How many national tariff lines does the United States tariff have under HS 2615.90?",
      "answer": "The United States tariff splits HS 2615.90 (niobium (columbium), tantalum, vanadium or zirconium ores and concentrates) into 4 national lines: 2615.90.30.00 (synthetic tantalum-niobium (columbium) concentrates), 2615.90.60.30 (niobium (columbium) ores and concentrates), 2615.90.60.60 (tantalum ores and concentrates) and 2615.90.60.90 (vanadium ores and concentrates)."
    },
    {
      "question": "What is the duty on HS 2615.90 in the United States?",
      "answer": "Every United States line under 2615.90 is free of general (MFN) duty."
    }
  ],
  "sections": [
    {
      "id": "covers",
      "title": "United States lines under 2615.90",
      "text": [
        "The United States tariff splits HS 2615.90 (niobium (columbium), tantalum, vanadium or zirconium ores and concentrates) into 4 national lines: 2615.90.30.00 (synthetic tantalum-niobium (columbium) concentrates), 2615.90.60.30 (niobium (columbium) ores and concentrates), 2615.90.60.60 (tantalum ores and concentrates) and 2615.90.60.90 (vanadium ores and concentrates).",
        "Every United States line under 2615.90 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 2615.90 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."
      ]
    }
  ],
  "data": {
    "type": "country-subheading",
    "country": {
      "code": "US",
      "name": "United States",
      "slug": "united-states"
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    "schedule": {
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      "name": "United States",
      "slug": "united-states"
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    "borrowed": false,
    "localTaxes": [],
    "localDeminimis": [],
    "ratesLive": true,
    "provenance": [
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        "liveAt": "2026-10-09T21:15:50.043Z",
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        "liveAt": "2026-10-09T21:15:36.287Z",
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        "dataset": "US:programmes",
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        "liveAt": "2026-10-09T21:15:58.040Z",
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    "dateModified": "2026-10-09T21:15:58.040Z",
    "chapter": {
      "code": "26",
      "description": "Ores, slag and ash"
    },
    "heading": {
      "code": "2615",
      "description": "Niobium (columbium), tantalum, vanadium or zirconium ores and concentrates"
    },
    "subheading": {
      "code": "261590",
      "description": "Other"
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      {
        "code": "2615903000",
        "description": "Synthetic tantalum-niobium (columbium) concentrates",
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        "code": "2615906030",
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          "dutyText": "Free",
          "startDate": null,
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          "unit": null
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        "measures": [],
        "restrictions": []
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        "description": "Vanadium ores and concentrates",
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          "Other",
          "Vanadium ores and concentrates"
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          "code": "26159060",
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        "measures": [],
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      "code": "261510",
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      "code": "261610",
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  "code": "261590",
  "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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