{
  "summary": "HS code 3507.90 covers enzymes; prepared enzymes not elsewhere specified or included, other than those classified in 3507.10. It sits in heading 35.07 (enzymes; prepared enzymes not elsewhere specified or included) in chapter 35 (albuminoidal substances; modified starches; glues; enzymes). Other goods of heading 35.07 are classified under 3507.10 (rennet or concentrates thereof). National tariff lines under 3507.90 are live on border.bot for the United States (3 lines, also used by 1 other country).",
  "updatedAt": "2026-10-11",
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    {
      "label": "HS code",
      "value": "3507.90",
      "source": "border.bot release GLOBAL:hs #2"
    },
    {
      "label": "Covers",
      "value": "Enzymes; prepared enzymes not elsewhere specified or included",
      "source": "border.bot release GLOBAL:hs #2"
    },
    {
      "label": "Heading",
      "value": "35.07: Enzymes; prepared enzymes not elsewhere specified or included",
      "source": "border.bot release GLOBAL:hs #2",
      "url": "https://border.bot/hs-codes/3507"
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    {
      "label": "Chapter",
      "value": "35: Albuminoidal substances; modified starches; glues; enzymes",
      "source": "border.bot release GLOBAL:hs #2",
      "url": "https://border.bot/hs-codes/35"
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    {
      "label": "Edition",
      "value": "HS2022",
      "source": "border.bot release GLOBAL:hs #2"
    },
    {
      "label": "Duty in the United States",
      "value": "See its 3 lines",
      "source": null,
      "url": "https://border.bot/countries/united-states/hs-codes/350790"
    }
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  "faq": [
    {
      "question": "What does HS code 3507.90 cover?",
      "answer": "HS code 3507.90 covers enzymes; prepared enzymes not elsewhere specified or included, other than those classified in 3507.10."
    },
    {
      "question": "Which heading and chapter is HS code 3507.90 in?",
      "answer": "HS code 3507.90 is in heading 35.07 (enzymes; prepared enzymes not elsewhere specified or included) in chapter 35 (albuminoidal substances; modified starches; glues; enzymes)."
    },
    {
      "question": "Where are goods of heading 35.07 classified when 3507.90 doesn’t fit?",
      "answer": "Other goods of heading 35.07 are classified under 3507.10 (rennet or concentrates thereof)."
    },
    {
      "question": "Which countries’ tariffs list national lines under HS code 3507.90?",
      "answer": "National tariff lines under 3507.90 are live on border.bot for the United States (3 lines, also used by 1 other country)."
    }
  ],
  "sections": [
    {
      "id": "covers",
      "title": "What this code covers",
      "text": [
        "HS code 3507.90 covers enzymes; prepared enzymes not elsewhere specified or included, other than those classified in 3507.10.",
        "The legal text of the subheading is “Other”, in HS2022."
      ]
    },
    {
      "id": "not-covered",
      "title": "What it doesn’t cover",
      "text": [
        "Other goods of heading 35.07 are classified under 3507.10 (rennet or concentrates thereof)."
      ]
    },
    {
      "id": "structure",
      "title": "How it is structured",
      "text": [
        "3507.90 is a six-digit subheading. Its first two digits, 35, are the chapter; the first four, 3507, are heading 35.07; the last two, 90, identify the subheading within the heading.",
        "Countries add their own digits after these six for their national tariff lines."
      ]
    },
    {
      "id": "other-countries",
      "title": "In other countries",
      "text": [
        "National tariff lines under 3507.90 are live on border.bot for the United States (3 lines, also used by 1 other country)."
      ]
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      "id": "sources",
      "title": "Sources and updates",
      "text": [
        "The Harmonized System legal text comes from border.bot release 2 (edition HS 2022), imported from a file, and has been live since 11 October 2026.",
        "This page was last updated on 11 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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    "type": "hs-subheading",
    "edition": "HS2022",
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      "description": "Albuminoidal substances; modified starches; glues; enzymes"
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      "description": "Enzymes; prepared enzymes not elsewhere specified or included"
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      "keywords": []
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    "siblings": [
      {
        "code": "350710",
        "description": "Rennet and concentrates thereof"
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  "code": "350790",
  "attribution": "border.bot tariff reference (border.bot), compiled from the official publishers named on each page.",
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  "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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