{
  "summary": "In the United States tariff, line 2523.30.00.00 covers aluminous cement. Goods under this line enter free of general (MFN) duty. It falls under HS subheading 2523.30 in heading 25.23 (chapter 25).",
  "updatedAt": "2026-10-09",
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      "label": "Additional duties",
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      "question": "What does tariff line 2523.30.00.00 cover in the United States tariff?",
      "answer": "In the United States tariff, line 2523.30.00.00 covers aluminous cement."
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    {
      "question": "What is the general (MFN) duty on 2523.30.00.00 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 2523.30.00.00 covers aluminous cement.",
        "Its legal text is “Aluminous cement”."
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        "It falls under HS subheading 2523.30 in heading 25.23 (chapter 25). 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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      "text": [
        "No other national tariff on border.bot has live lines under 2523.30 yet."
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      "title": "Sources and updates",
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        "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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    "chapter": {
      "code": "25",
      "description": "Salt; sulphur; earths and stone; plastering materials, lime and cement"
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    "heading": {
      "code": "2523",
      "description": "Portland cement, aluminous cement, slag cement, supersulfate cement and similar hydraulic cements, whether or not colored or in the form of clinkers"
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    "subheading": {
      "code": "252330",
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