{
  "summary": "In the United States tariff, line 8466.91.10.00 covers parts and accessories suitable for use solely or principally with the machines of headings 8456 to 8465, including work or tool holders, self-opening dieheads, dividing heads and other special attachments for the machines; tool holders for any type of tool for working in the hand, for machines of heading 8464, cast-iron parts not advanced beyond cleaning, and machined only for the removal of fins, gates, sprues and risers or to permit location in finishing machinery. Goods under this line enter free of general (MFN) duty. It falls under HS subheading 8466.91 in heading 84.66 (chapter 84).",
  "updatedAt": "2026-10-09",
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      "value": "Parts and accessories suitable for use solely or principally with the machines of headings 8456 to 8465, including work or tool holders, self-opening dieheads, dividing heads and other special attachments for the machines; tool holders for any type of tool for working in the hand, for machines of heading 8464, cast-iron parts not advanced beyond cleaning, and machined only for the removal of fins, gates, sprues and risers or to permit location in finishing machinery",
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      "label": "Additional duties",
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    {
      "question": "What does tariff line 8466.91.10.00 cover in the United States tariff?",
      "answer": "In the United States tariff, line 8466.91.10.00 covers parts and accessories suitable for use solely or principally with the machines of headings 8456 to 8465, including work or tool holders, self-opening dieheads, dividing heads and other special attachments for the machines; tool holders for any type of tool for working in the hand, for machines of heading 8464, cast-iron parts not advanced beyond cleaning, and machined only for the removal of fins, gates, sprues and risers or to permit location in finishing machinery."
    },
    {
      "question": "What is the general (MFN) duty on 8466.91.10.00 in the United States?",
      "answer": "Goods under this line enter free of general (MFN) duty."
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      "id": "covers",
      "title": "What this line covers",
      "text": [
        "In the United States tariff, line 8466.91.10.00 covers parts and accessories suitable for use solely or principally with the machines of headings 8456 to 8465, including work or tool holders, self-opening dieheads, dividing heads and other special attachments for the machines; tool holders for any type of tool for working in the hand, for machines of heading 8464, cast-iron parts not advanced beyond cleaning, and machined only for the removal of fins, gates, sprues and risers or to permit location in finishing machinery.",
        "Its legal text is “Cast-iron parts not advanced beyond cleaning, and machined only for the removal of fins, gates, sprues and risers or to permit location in finishing machinery”, read under “Other” and “For machines of heading 8464”."
      ]
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    {
      "id": "structure",
      "title": "How it is structured",
      "text": [
        "It falls under HS subheading 8466.91 in heading 84.66 (chapter 84). The first six digits are the Harmonized System code; the 4 digits after them are added by the United States tariff."
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    {
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      "text": [
        "Goods under this line enter free of general (MFN) duty."
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    {
      "id": "other-countries",
      "title": "In other countries",
      "text": [
        "No other national tariff on border.bot has live lines under 8466.91 yet."
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      "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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      "code": "84",
      "description": "Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof"
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