{
  "summary": "HS chapter 84 covers nuclear reactors, boilers, machinery and mechanical appliances; parts thereof. It has 86 headings, 84.01 to 84.87, and 538 six-digit subheadings in HS2022. National tariff lines under chapter 84 are live on border.bot for the United States (1,706 lines, also used by 1 other country).",
  "updatedAt": "2026-10-11",
  "facts": [
    {
      "label": "Chapter",
      "value": "84",
      "source": "border.bot release GLOBAL:hs #2"
    },
    {
      "label": "Description",
      "value": "Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof",
      "source": "border.bot release GLOBAL:hs #2"
    },
    {
      "label": "Headings",
      "value": "86",
      "source": "border.bot release GLOBAL:hs #2"
    },
    {
      "label": "Subheadings",
      "value": "538",
      "source": "border.bot release GLOBAL:hs #2"
    },
    {
      "label": "Edition",
      "value": "HS2022",
      "source": "border.bot release GLOBAL:hs #2"
    }
  ],
  "faq": [
    {
      "question": "What does HS chapter 84 cover?",
      "answer": "HS chapter 84 covers nuclear reactors, boilers, machinery and mechanical appliances; parts thereof."
    },
    {
      "question": "How many headings and subheadings are in HS chapter 84?",
      "answer": "HS chapter 84 has 86 headings and 538 six-digit subheadings in HS2022."
    },
    {
      "question": "Which countries’ tariffs list national lines in HS chapter 84?",
      "answer": "National tariff lines under chapter 84 are live on border.bot for the United States (1,706 lines, also used by 1 other country)."
    }
  ],
  "sections": [
    {
      "id": "covers",
      "title": "What this chapter covers",
      "text": [
        "HS chapter 84 covers nuclear reactors, boilers, machinery and mechanical appliances; parts thereof.",
        "It has 86 headings, 84.01 to 84.87, and 538 six-digit subheadings in HS2022."
      ]
    },
    {
      "id": "not-covered",
      "title": "What it doesn’t cover",
      "text": [
        "Chapter 83, before it, covers miscellaneous articles of base metal; chapter 85, after it, covers electrical machinery and equipment and parts thereof; sound recorders and reproducers, television image and sound recorders and reproducers, and parts and accessories of such articles."
      ]
    },
    {
      "id": "structure",
      "title": "How it is structured",
      "text": [
        "Chapter 84 is the first level of the Harmonized System. Its headings add two digits to the chapter number (84.01), and each heading's subheadings add two more."
      ]
    },
    {
      "id": "other-countries",
      "title": "In other countries",
      "text": [
        "National tariff lines under chapter 84 are live on border.bot for the United States (1,706 lines, also used by 1 other country)."
      ]
    },
    {
      "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."
      ]
    }
  ],
  "data": {
    "type": "hs-chapter",
    "edition": "HS2022",
    "chapter": {
      "code": "84",
      "description": "Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof"
    },
    "headings": [
      {
        "code": "8464",
        "description": "Machine-tools for working stone, ceramics, concrete, asbestos- cement or like mineral materials or for cold working glass",
        "subheadings": [
          {
            "code": "846420",
            "description": "Grinding or polishing machines"
          },
          {
            "code": "846490",
            "description": "Other"
          }
        ]
      },
      {
        "code": "8465",
        "description": "Machine-tools (including machines for nailing, stapling, glueing or otherwise assembling) for working wood, cork, bone, hard rubber, hard plastics or similar hard materials",
        "subheadings": [
          {
            "code": "846510",
            "description": "Machines which can carry out different types of machining operations without tool change between such operations"
          },
          {
            "code": "846520",
            "description": "Machining centres"
          },
          {
            "code": "846591",
            "description": "Other: Sawing machines"
          },
          {
            "code": "846592",
            "description": "Other: Planing, milling or moulding (by cutting) machines"
          },
          {
            "code": "846593",
            "description": "Other: Grinding, sanding or polishing machines"
          },
          {
            "code": "846594",
            "description": "Other: Bending or assembling machines"
          },
          {
            "code": "846595",
            "description": "Other: Drilling or morticing machines"
          },
          {
            "code": "846596",
            "description": "Other: Splitting, slicing or paring machines"
          },
          {
            "code": "846599",
            "description": "Other: Other"
          }
        ]
      },
      {
        "code": "8466",
        "description": "Parts and accessories suitable for use solely or principally with the machines of headings 84.56 to 84.65, 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",
        "subheadings": [
          {
            "code": "846610",
            "description": "Tool holders and self-opening dieheads"
          },
          {
            "code": "846620",
            "description": "Work holders"
          },
          {
            "code": "846630",
            "description": "Dividing heads and other special attachments for machines"
          },
          {
            "code": "846691",
            "description": "Other: For machines of heading 84.64"
          },
          {
            "code": "846692",
            "description": "Other: For machines of heading 84.65"
          },
          {
            "code": "846693",
            "description": "Other: For machines of headings 84.56 to 84.61"
          },
          {
            "code": "846694",
            "description": "Other: For machines of heading 84.62 or 84.63"
          }
        ]
      },
      {
        "code": "8467",
        "description": "Tools for working in the hand, pneumatic, hydraulic or with self-contained electric or non-electric motor",
        "subheadings": [
          {
            "code": "846711",
            "description": "Pneumatic: Rotary type (including combined rotary-percussion)"
          },
          {
            "code": "846719",
            "description": "Pneumatic: Other"
          },
          {
            "code": "846721",
            "description": "With self-contained electric motor: Drills of all kinds"
          },
          {
            "code": "846722",
            "description": "With self-contained electric motor: Saws"
          },
          {
            "code": "846729",
            "description": "With self-contained electric motor: Other"
          },
          {
            "code": "846781",
            "description": "Other tools: Chain saws"
          },
          {
            "code": "846789",
            "description": "Other tools: Other"
          },
          {
            "code": "846791",
            "description": "Parts: Of chain saws"
          },
          {
            "code": "846792",
            "description": "Parts: Of pneumatic tools"
          },
          {
            "code": "846799",
            "description": "Parts: Other"
          }
        ]
      },
      {
        "code": "8468",
        "description": "Machinery and apparatus for soldering, brazing or welding, whether or not capable of cutting, other than those of heading 85.15; gas-operated surface tempering machines and appliances",
        "subheadings": [
          {
            "code": "846810",
            "description": "Hand-held blow pipes"
          },
          {
            "code": "846820",
            "description": "Other gas-operated machinery and apparatus"
          },
          {
            "code": "846880",
            "description": "Other machinery and apparatus"
          },
          {
            "code": "846890",
            "description": "Parts"
          }
        ]
      },
      {
        "code": "8470",
        "description": "Calculating machines and pocket-size data recording, reproducing and displaying machines with calculating functions; accounting machines, postage-franking machines, ticket-issuing machines and similar machines, incorporating a calculating device; cash registers",
        "subheadings": [
          {
            "code": "847010",
            "description": "Electronic calculators capable of operation without an external source of electric power and pocket-size data recording, reproducing and displaying machines with calculating functions"
          },
          {
            "code": "847021",
            "description": "Other electronic calculating machines: Incorporating a printing device"
          },
          {
            "code": "847029",
            "description": "Other electronic calculating machines: Other"
          },
          {
            "code": "847030",
            "description": "Other calculating machines"
          },
          {
            "code": "847050",
            "description": "Cash registers"
          },
          {
            "code": "847090",
            "description": "Other"
          }
        ]
      },
      {
        "code": "8471",
        "description": "Automatic data processing machines and units thereof; magnetic or optical readers, machines for transcribing data onto data media in coded form and machines for processing such data, not elsewhere specified or included",
        "subheadings": [
          {
            "code": "847130",
            "description": "Portable automatic data processing machines, weighing not more than 10kg, consisting of at least a central processing unit, a keyboard and a display"
          },
          {
            "code": "847141",
            "description": "Other automatic data-processing machines: Comprising in the same housing at least a central processing unit and an input and output unit, whether or not combined"
          },
          {
            "code": "847149",
            "description": "Other automatic data-processing machines: Other, presented in the form of systems"
          },
          {
            "code": "847150",
            "description": "Processing units other than those of subheading 8471 41 or 8471 49, whether or not containing in the same housing one or two of the following types of unit: storage units, input units, output units"
          },
          {
            "code": "847160",
            "description": "Input or output units, whether or not containing storage units in the same housing"
          },
          {
            "code": "847170",
            "description": "Storage units"
          },
          {
            "code": "847180",
            "description": "Other units of automatic data processing machines"
          },
          {
            "code": "847190",
            "description": "Other"
          }
        ]
      },
      {
        "code": "8472",
        "description": "Other office machines (for example, hectograph or stencil duplicating machines, addressing machines, automatic banknote dispensers, coin-sorting machines, coin-counting or wrapping machines, pencil-sharpening machines, perforating or stapling machines)",
        "subheadings": [
          {
            "code": "847210",
            "description": "Duplicating machines"
          },
          {
            "code": "847230",
            "description": "Machines for sorting or folding mail or for inserting mail in envelopes or bands, machines for opening, closing or sealing mail and machines for affixing or cancelling postage stamps"
          },
          {
            "code": "847290",
            "description": "Other"
          }
        ]
      },
      {
        "code": "8473",
        "description": "Parts and accessories (other than covers, carrying cases and the like) suitable for use solely or principally with machines of headings 84.70 to 84.72",
        "subheadings": [
          {
            "code": "847321",
            "description": "Parts and accessories of the machines of heading 8470: Of the electronic calculating machines of subheading 8470 10, 8470 21 or 8470 29"
          },
          {
            "code": "847329",
            "description": "Parts and accessories of the machines of heading 8470: Other"
          },
          {
            "code": "847330",
            "description": "Parts and accessories of the machines of heading 84.71"
          },
          {
            "code": "847340",
            "description": "Parts and accessories of the machines of heading 84.72"
          },
          {
            "code": "847350",
            "description": "Parts and accessories equally suitable for use with the machines of two or more of the headings 84.70 to 84.72"
          }
        ]
      },
      {
        "code": "8474",
        "description": "Machinery for sorting, screening, separating, washing, crushing, grinding, mixing or kneading earth, stone, ores or other mineral substances, in solid (including powder or paste) form; machinery for agglomerating, shaping or moulding solid mineral fuels, ceramic paste, unhardened cements, plastering materials or other mineral products in powder or paste form; machines for forming foundry moulds of sand",
        "subheadings": [
          {
            "code": "847410",
            "description": "Sorting, screening, separating or washing machines"
          },
          {
            "code": "847420",
            "description": "Crushing or grinding machines"
          },
          {
            "code": "847431",
            "description": "Mixing or kneading machines: Concrete or mortar mixers"
          },
          {
            "code": "847432",
            "description": "Mixing or kneading machines: Machines for mixing mineral substances with bitumen"
          },
          {
            "code": "847439",
            "description": "Mixing or kneading machines: Other"
          },
          {
            "code": "847480",
            "description": "Other machinery"
          },
          {
            "code": "847490",
            "description": "Parts"
          }
        ]
      },
      {
        "code": "8475",
        "description": "Machines for assembling electric or electronic lamps, tubes or valves or flashbulbs, in glass envelopes; machines for manufacturing or hot working glass or glassware",
        "subheadings": [
          {
            "code": "847510",
            "description": "Machines for assembling electric or electronic lamps, tubes or valves or flashbulbs, in glass envelopes"
          },
          {
            "code": "847521",
            "description": "Machines for manufacturing or hot working glass or glassware: Machines for making optical fibres and preforms thereof"
          },
          {
            "code": "847529",
            "description": "Machines for manufacturing or hot working glass or glassware: Other"
          },
          {
            "code": "847590",
            "description": "Parts"
          }
        ]
      },
      {
        "code": "8476",
        "description": "Automatic goods-vending machines (for example, postage stamp, cigarette, food or beverage machines), including money- changing machines",
        "subheadings": [
          {
            "code": "847621",
            "description": "Automatic beverage-vending machines: Incorporating heating or refrigerating devices"
          },
          {
            "code": "847629",
            "description": "Automatic beverage-vending machines: Other"
          },
          {
            "code": "847681",
            "description": "Other machines: Incorporating heating or refrigerating devices"
          },
          {
            "code": "847689",
            "description": "Other machines: Other"
          },
          {
            "code": "847690",
            "description": "Parts"
          }
        ]
      },
      {
        "code": "8477",
        "description": "Machinery for working rubber or plastics or for the manufacture of products from these materials, not specified or included elsewhere in this Chapter",
        "subheadings": [
          {
            "code": "847710",
            "description": "Injection-moulding machines"
          },
          {
            "code": "847720",
            "description": "Extruders"
          },
          {
            "code": "847730",
            "description": "Blow moulding machines"
          },
          {
            "code": "847740",
            "description": "Vacuum moulding machines and other thermoforming machines"
          },
          {
            "code": "847751",
            "description": "Other machinery for moulding or otherwise forming: For moulding or retreading pneumatic tyres or for moulding or otherwise forming inner tubes"
          },
          {
            "code": "847759",
            "description": "Other machinery for moulding or otherwise forming: Other"
          },
          {
            "code": "847780",
            "description": "Other machinery"
          },
          {
            "code": "847790",
            "description": "Parts"
          }
        ]
      },
      {
        "code": "8478",
        "description": "Machinery for preparing or making up tobacco, not specified or included elsewhere in this Chapter",
        "subheadings": [
          {
            "code": "847810",
            "description": "Machinery"
          },
          {
            "code": "847890",
            "description": "Parts"
          }
        ]
      },
      {
        "code": "8479",
        "description": "Machines and mechanical appliances having individual functions, not specified or included elsewhere in this Chapter",
        "subheadings": [
          {
            "code": "847910",
            "description": "Machinery for public works, building or the like"
          },
          {
            "code": "847920",
            "description": "Machinery for the extraction or preparation of animal or fixed vegetable or microbial fats or oils"
          },
          {
            "code": "847930",
            "description": "Presses for the manufacture of particle board or fibre building board of wood or other ligneous materials and other machinery for treating wood or cork"
          },
          {
            "code": "847940",
            "description": "Rope or cable-making machines"
          },
          {
            "code": "847950",
            "description": "Industrial robots, not elsewhere specified or included"
          },
          {
            "code": "847960",
            "description": "Evaporative air coolers"
          },
          {
            "code": "847971",
            "description": "Passenger boarding bridges: Of a kind used in airports"
          },
          {
            "code": "847979",
            "description": "Passenger boarding bridges: Other"
          },
          {
            "code": "847981",
            "description": "Other machines and mechanical appliances: For treating metal, including electric wire coil-winders"
          },
          {
            "code": "847982",
            "description": "Other machines and mechanical appliances: Mixing, kneading, crushing, grinding, screening, sifting, homogenising, emulsifying or stirring machines"
          },
          {
            "code": "847983",
            "description": "Other machines and mechanical appliances: Cold isostatic presses"
          },
          {
            "code": "847989",
            "description": "Other machines and mechanical appliances: Other"
          },
          {
            "code": "847990",
            "description": "Parts"
          }
        ]
      },
      {
        "code": "8480",
        "description": "Moulding boxes for metal foundry; mould bases; moulding patterns; moulds for metal (other than ingot moulds), metal carbides, glass, mineral materials, rubber or plastics",
        "subheadings": [
          {
            "code": "848010",
            "description": "Moulding boxes for metal foundry"
          },
          {
            "code": "848020",
            "description": "Mould bases"
          },
          {
            "code": "848030",
            "description": "Moulding patterns"
          },
          {
            "code": "848041",
            "description": "Moulds for metal or metal carbides: Injection or compression types"
          },
          {
            "code": "848049",
            "description": "Moulds for metal or metal carbides: Other"
          },
          {
            "code": "848050",
            "description": "Moulds for glass"
          },
          {
            "code": "848060",
            "description": "Moulds for mineral materials"
          }
        ]
      }
    ],
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      "code": "83",
      "description": "Miscellaneous articles of base metal",
      "indexable": true
    },
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      "code": "85",
      "description": "Electrical machinery and equipment and parts thereof; sound recorders and reproducers, television image and sound recorders and reproducers, and parts and accessories of such articles",
      "indexable": true
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      {
        "code": "US",
        "name": "United States",
        "slug": "united-states",
        "lines": 1706,
        "members": 1
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    ],
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        "dataset": "GLOBAL:hs",
        "country": "GLOBAL",
        "kind": "hs",
        "seq": 2,
        "version": "mytraddal hs2022.csv (HS 2022)",
        "liveAt": "2026-10-11T06:04:17.693Z",
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