{ "summary": "The United States tariff splits HS 8437.90 (parts) into 2 national lines: 8437.90.00.10 (of flour mill or grain mill machines) and 8437.90.00.90 (other). Every United States line under 8437.90 is free of general (MFN) duty.", "updatedAt": "2026-10-09", "facts": [ { "label": "HS subheading", "value": "8437.90", "source": null, "url": "https://border.bot/hs-codes/843790" }, { "label": "Duty (MFN)", "value": "Free", "source": "https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false" }, { "label": "National lines", "value": "2", "source": null }, { "label": "Tariff", "value": "United States", "source": "https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false", "url": "https://border.bot/countries/united-states" }, { "label": "Chapter", "value": "84: Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof", "source": null } ], "faq": [ { "question": "How many national tariff lines does the United States tariff have under HS 8437.90?", "answer": "The United States tariff splits HS 8437.90 (parts) into 2 national lines: 8437.90.00.10 (of flour mill or grain mill machines) and 8437.90.00.90 (other)." }, { "question": "What is the duty on HS 8437.90 in the United States?", "answer": "Every United States line under 8437.90 is free of general (MFN) duty." } ], "sections": [ { "id": "covers", "title": "United States lines under 8437.90", "text": [ "The United States tariff splits HS 8437.90 (parts) into 2 national lines: 8437.90.00.10 (of flour mill or grain mill machines) and 8437.90.00.90 (other).", "Every United States line under 8437.90 is free of general (MFN) duty." ] }, { "id": "other-countries", "title": "In other countries", "text": [ "No other national tariff on border.bot has live lines under 8437.90 yet." ] }, { "id": "sources", "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." ] } ], "data": { "type": "country-subheading", "country": { "code": "US", "name": "United States", "slug": "united-states" }, "schedule": { "code": "US", "name": "United States", "slug": "united-states" }, "borrowed": false, "localTaxes": [], "localDeminimis": [], "ratesLive": true, "provenance": [ { "dataset": "US:hs", "country": "US", "kind": "hs", "seq": 1, "version": "2026HTSRev21", "liveAt": "2026-10-09T21:15:50.043Z", "origin": "source", "sourceUrls": [ "https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false" ] }, { "dataset": "US:rates", "country": "US", "kind": "rates", "seq": 1, "version": "2026HTSRev21", "liveAt": "2026-10-09T21:15:36.287Z", "origin": "source", "sourceUrls": [ "https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false" ] }, { "dataset": "US:programmes", "country": "US", "kind": "programmes", "seq": 1, "version": "2026HTSRev21", "liveAt": "2026-10-09T21:15:58.040Z", "origin": "source", "sourceUrls": [ "https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false" ] } ], "dateModified": "2026-10-09T21:15:58.040Z", "chapter": { "code": "84", "description": "Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof" }, "heading": { "code": "8437", "description": "Machines for cleaning, sorting or grading seed, grain or dried leguminous vegetables, and parts thereof; machinery used in the milling industry or for the working of cereals or dried leguminous vegetables, other than farm type machinery; parts thereof" }, "subheading": { "code": "843790", "description": "Parts" }, "lines": [ { "code": "8437900010", "description": "Of flour mill or grain mill machines", "levels": [ "Parts", "Of flour mill or grain mill machines" ], "english": null, "keywords": [], "lang": "en", "general": { "code": "84379000", "dutyText": "Free", "startDate": null, "endDate": null, "unit": null }, "preferences": [], "measures": [], "restrictions": [] }, { "code": "8437900090", "description": "Other", "levels": [ "Parts", "Other" ], "english": null, "keywords": [], "lang": "en", "general": { "code": "84379000", "dutyText": "Free", "startDate": null, "endDate": null, "unit": null }, "preferences": [], "measures": [], "restrictions": [] } ], "previous": { "code": "843780", "description": "Machines for cleaning, sorting or grading seed, grain or dried leguminous vegetables, and parts thereof; machinery used in the milling industry or for the working of cereals or dried leguminous vegetables, other than farm type machinery; parts thereof", "indexable": true }, "next": { "code": "843810", "description": "Machinery, not specified or included elsewhere in this chapter, for the industrial preparation or manufacture of food or drink, other than machinery for the extraction or preparation of animal or fixed vegetable or microbial fats or oils; parts thereof", "indexable": true }, "otherSchedules": [], "seo": { "canonicalPath": "/countries/united-states/hs-codes/843790", "robots": "index", "sitemap": true, "reasons": [ "2 national lines" ] } }, "pagination": { "page": 1, "pages": 1, "size": 100, "total": 2, "prev": null, "next": null }, "previous": "https://border.bot/countries/united-states/hs-codes/843780", "next": "https://border.bot/countries/united-states/hs-codes/843810", "links": { "self": "https://border.bot/countries/united-states/hs-codes/843790.json", "html": "https://border.bot/countries/united-states/hs-codes/843790", "canonical": "https://border.bot/countries/united-states/hs-codes/843790", "markdown": "https://border.bot/countries/united-states/hs-codes/843790.md", "tools": { "calculator": "https://border.bot/tools/landed-cost-calculator", "classifier": "https://border.bot/tools/hs-code-classifier", "api": "https://api.border.bot/v1" } }, "code": "843790", "attribution": "border.bot tariff reference (border.bot), compiled from the official publishers named on each page.", "terms": "https://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.", "catalogVersion": "08bc53aa" }