{
  "summary": "HS code 7303.00 covers tubes, pipes and hollow profiles, of cast iron. It sits in heading 73.03 (tubes, pipes and hollow profiles, of cast iron) in chapter 73 (articles of iron or steel). It is the only subheading of heading 73.03, so every good of the heading is classified here.",
  "updatedAt": "2026-10-13",
  "facts": [
    {
      "label": "HS code",
      "value": "7303.00",
      "source": "border.bot release GLOBAL:hs #1"
    },
    {
      "label": "Covers",
      "value": "Tubes, pipes and hollow profiles, of cast iron",
      "source": "border.bot release GLOBAL:hs #1"
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    {
      "label": "Heading",
      "value": "73.03: Tubes, pipes and hollow profiles, of cast iron",
      "source": "border.bot release GLOBAL:hs #1",
      "url": "https://staging.border.bot/hs-codes/7303"
    },
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      "label": "Chapter",
      "value": "73: Articles of iron or steel",
      "source": "border.bot release GLOBAL:hs #1",
      "url": "https://staging.border.bot/hs-codes/73"
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    {
      "label": "Edition",
      "value": "HS2022",
      "source": "border.bot release GLOBAL:hs #1"
    },
    {
      "label": "Duty rates",
      "value": "Set by each country’s tariff",
      "source": null,
      "url": "https://staging.border.bot/countries"
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  ],
  "faq": [
    {
      "question": "What does HS code 7303.00 cover?",
      "answer": "HS code 7303.00 covers tubes, pipes and hollow profiles, of cast iron."
    },
    {
      "question": "Which heading and chapter is HS code 7303.00 in?",
      "answer": "HS code 7303.00 is in heading 73.03 (tubes, pipes and hollow profiles, of cast iron) in chapter 73 (articles of iron or steel)."
    },
    {
      "question": "Where are goods of heading 73.03 classified when 7303.00 doesn’t fit?",
      "answer": "7303.00 is the only subheading of heading 73.03, so every good of the heading is classified there."
    }
  ],
  "sections": [
    {
      "id": "covers",
      "title": "What this code covers",
      "text": [
        "HS code 7303.00 covers tubes, pipes and hollow profiles, of cast iron.",
        "The legal text of the subheading is “Tubes, pipes and hollow profiles, of cast iron”, in HS2022."
      ]
    },
    {
      "id": "not-covered",
      "title": "What it doesn’t cover",
      "text": [
        "It is the only subheading of heading 73.03, so every good of the heading is classified here."
      ]
    },
    {
      "id": "structure",
      "title": "How it is structured",
      "text": [
        "7303.00 is a six-digit subheading. Its first two digits, 73, are the chapter; the first four, 7303, are heading 73.03; the last two, 00, 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": [
        "No national tariff lines under 7303.00 are live on border.bot yet. Tariffs built on the Harmonized System (HS2022) use 7303.00 at six digits and add their own digits after it."
      ]
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      "id": "sources",
      "title": "Sources and updates",
      "text": [
        "The Harmonized System legal text comes from border.bot release 1 (edition HS 2022), imported from a file, and has been live since 13 October 2026.",
        "This page was last updated on 13 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",
    "chapter": {
      "code": "73",
      "description": "Articles of iron or steel"
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    "heading": {
      "code": "7303",
      "description": "Tubes, pipes and hollow profiles, of cast iron"
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    "subheading": {
      "code": "730300",
      "description": "Tubes, pipes and hollow profiles, of cast iron",
      "levels": [
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      "english": null,
      "keywords": []
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      "indexable": true
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      "description": "Line pipe of a kind used for oil or gas pipelines: Of stainless steel",
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        "dataset": "GLOBAL:hs",
        "country": "GLOBAL",
        "kind": "hs",
        "seq": 1,
        "version": "mytraddal hs2022.csv (HS 2022)",
        "liveAt": "2026-10-13T08:43:06.218Z",
        "origin": "upload",
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  "code": "730300",
  "attribution": "border.bot tariff reference (border.bot), compiled from the official publishers named on each page.",
  "terms": "https://staging.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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