{
  "summary": "The United States tariff splits HS 2934.10 (compounds containing an unfused thiazole ring (whether or not hydrogenated) in the structure) into 4 national lines: 2934.10.10.00 (products described in additional U.S. note 3 to section VI), 2934.10.20.00 (other), 2934.10.70.00 (4,5-Dichloro-2-n-octyl-4-isothiazolin-3-one; Ethyl 2-(2-aminothiazol-4-yl)-2- hydroxyiminoacetate; Ethyl 2-(2-aminothiazol-4-yl)-2- methoxyiminoacetate; 2-Methyl-4-isothiazolin- 3-one; 2-n-Octyl-4-isothiazolin-3-one; and Thiothiamine hydrochloride) and 2934.10.90.00 (other). The general (MFN) duty differs by line: 6.5% on 2934.10.10.00, 6.5% on 2934.10.20.00, free on 2934.10.70.00 and 6.5% on 2934.10.90.00.",
  "updatedAt": "2026-10-09",
  "facts": [
    {
      "label": "HS subheading",
      "value": "2934.10",
      "source": null,
      "url": "https://border.bot/hs-codes/293410"
    },
    {
      "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": "29: Organic chemicals",
      "source": null
    }
  ],
  "faq": [
    {
      "question": "How many national tariff lines does the United States tariff have under HS 2934.10?",
      "answer": "The United States tariff splits HS 2934.10 (compounds containing an unfused thiazole ring (whether or not hydrogenated) in the structure) into 4 national lines: 2934.10.10.00 (products described in additional U.S. note 3 to section VI), 2934.10.20.00 (other), 2934.10.70.00 (4,5-Dichloro-2-n-octyl-4-isothiazolin-3-one; Ethyl 2-(2-aminothiazol-4-yl)-2- hydroxyiminoacetate; Ethyl 2-(2-aminothiazol-4-yl)-2- methoxyiminoacetate; 2-Methyl-4-isothiazolin- 3-one; 2-n-Octyl-4-isothiazolin-3-one; and Thiothiamine hydrochloride) and 2934.10.90.00 (other)."
    },
    {
      "question": "What is the duty on HS 2934.10 in the United States?",
      "answer": "The general (MFN) duty differs by line: 6.5% on 2934.10.10.00, 6.5% on 2934.10.20.00, free on 2934.10.70.00 and 6.5% on 2934.10.90.00."
    }
  ],
  "sections": [
    {
      "id": "covers",
      "title": "United States lines under 2934.10",
      "text": [
        "The United States tariff splits HS 2934.10 (compounds containing an unfused thiazole ring (whether or not hydrogenated) in the structure) into 4 national lines: 2934.10.10.00 (products described in additional U.S. note 3 to section VI), 2934.10.20.00 (other), 2934.10.70.00 (4,5-Dichloro-2-n-octyl-4-isothiazolin-3-one; Ethyl 2-(2-aminothiazol-4-yl)-2- hydroxyiminoacetate; Ethyl 2-(2-aminothiazol-4-yl)-2- methoxyiminoacetate; 2-Methyl-4-isothiazolin- 3-one; 2-n-Octyl-4-isothiazolin-3-one; and Thiothiamine hydrochloride) and 2934.10.90.00 (other).",
        "The general (MFN) duty differs by line: 6.5% on 2934.10.10.00, 6.5% on 2934.10.20.00, free on 2934.10.70.00 and 6.5% on 2934.10.90.00."
      ]
    },
    {
      "id": "other-countries",
      "title": "In other countries",
      "text": [
        "No other national tariff on border.bot has live lines under 2934.10 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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    "dateModified": "2026-10-09T21:15:58.040Z",
    "chapter": {
      "code": "29",
      "description": "Organic chemicals"
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    "heading": {
      "code": "2934",
      "description": "Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds"
    },
    "subheading": {
      "code": "293410",
      "description": "Compounds containing an unfused thiazole ring (whether or not hydrogenated) in the structure"
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        "description": "Products described in additional U.S. note 3 to section VI",
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          "Aromatic or modified aromatic",
          "Products described in additional U.S. note 3 to section VI"
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        "keywords": [
          "3-[(6-Chloro-3-pyridinyl)methyl]-1,3-thiazolidin-2- ylidenecyanamide (Thiacloprid) (CAS No. 111988-49-9)"
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          "dutyText": "6.5%",
          "startDate": null,
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            "origins": [
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              {
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                "label": "United States-Australia Free Trade Agreement"
              },
              {
                "code": "BH",
                "label": "United States-Bahrain Free Trade Agreement Implementation Act"
              },
              {
                "code": "CL",
                "label": "United States-Chile Free Trade Agreement"
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              {
                "code": "CO",
                "label": "United States-Colombia Trade Promotion Agreement Implementation Act"
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              {
                "code": "D",
                "label": "African Growth and Opportunity Act"
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              {
                "code": "E",
                "label": "Caribbean Basin Economic Recovery Act"
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              {
                "code": "IL",
                "label": "United States-Israel Free Trade Area"
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              {
                "code": "JO",
                "label": "United States-Jordan Free Trade Area Implementation Act"
              },
              {
                "code": "KR",
                "label": "United States-Korea Free Trade Agreement Implementation Act"
              },
              {
                "code": "MA",
                "label": "United States-Morocco Free Trade Agreement Implementation Act"
              },
              {
                "code": "OM",
                "label": "United States-Oman Free Trade Agreement Implementation Act"
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              {
                "code": "P",
                "label": "Dominican Republic-Central America-United States Free Trade Agreement"
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              {
                "code": "PA",
                "label": "United States-Panama Trade Promotion Agreement Implementation Act"
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              {
                "code": "PE",
                "label": "United States-Peru Trade Promotion Agreement Implementation Act"
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              {
                "code": "S",
                "label": "United States-Mexico-Canada Agreement"
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              {
                "code": "SG",
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            "origins": [
              {
                "code": "JP",
                "label": "Trade Agreement Between the United States and Japan"
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          "(E)-1-(2-Chloro-1,3-thiazol-5-ylmethyl)-3-methyl-2-nitro- guanidine (Clothianidin) (CAS No. 210880-92-5)",
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            "origins": [
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