{ "summary": "In the United States tariff, line 2528.00.00.10 covers natural calcium borates. Goods under this line enter free of general (MFN) duty. It falls under HS subheading 2528.00 in heading 25.28 (chapter 25).", "updatedAt": "2026-10-09", "facts": [ { "label": "Tariff line", "value": "2528.00.00.10", "source": "https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false" }, { "label": "Covers", "value": "Natural calcium borates", "source": "https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false" }, { "label": "Duty (MFN)", "value": "Free", "source": "https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false" }, { "label": "Additional duties", "value": "None recorded", "source": null }, { "label": "Restrictions", "value": "None recorded", "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": "HS subheading", "value": "2528.00", "source": null, "url": "https://border.bot/hs-codes/252800" } ], "faq": [ { "question": "What does tariff line 2528.00.00.10 cover in the United States tariff?", "answer": "In the United States tariff, line 2528.00.00.10 covers natural calcium borates." }, { "question": "What is the general (MFN) duty on 2528.00.00.10 in the United States?", "answer": "Goods under this line enter free of general (MFN) duty. The rate is published on 2528.00.00." } ], "sections": [ { "id": "covers", "title": "What this line covers", "text": [ "In the United States tariff, line 2528.00.00.10 covers natural calcium borates.", "Its legal text is “Natural calcium borates”." ] }, { "id": "structure", "title": "How it is structured", "text": [ "It falls under HS subheading 2528.00 in heading 25.28 (chapter 25). The first six digits are the Harmonized System code; the 4 digits after them are added by the United States tariff." ] }, { "id": "duty", "title": "Duty", "text": [ "Goods under this line enter free of general (MFN) duty.", "The rate is published on 2528.00.00." ] }, { "id": "other-countries", "title": "In other countries", "text": [ "No other national tariff on border.bot has live lines under 2528.00 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-line", "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": "25", "description": "Salt; sulphur; earths and stone; plastering materials, lime and cement" }, "heading": { "code": "2528", "description": "Natural borates and concentrates thereof (whether or not calcined), but not including borates separated from natural brine; natural boric acid containing not more than 85 % of H3BO3 calculated on the dry weight" }, "subheading": { "code": "252800", "description": "Natural borates and concentrates thereof (whether or not calcined), but not including borates separated from natural brine; natural boric acid containing not more than 85 % of H3BO3 calculated on the dry weight" }, "line": { "code": "2528000010", "description": "Natural calcium borates", "levels": [ "Natural calcium borates" ], "english": null, "keywords": [], "lang": "en", "general": { "code": "25280000", "dutyText": "Free", "startDate": null, "endDate": null, "unit": null }, "preferences": [], "measures": [], "restrictions": [] }, "siblings": [ { "code": "2528000005", "description": "Natural sodium borates and concentrates thereof (whether or not calcined)" }, { "code": "2528000050", "description": "Other" } ], "siblingsTotal": 2, "previous": { "code": "2528000005", "description": "Natural sodium borates and concentrates thereof (whether or not calcined)", "indexable": true }, "next": { "code": "2528000050", "description": "Other", "indexable": true }, "otherSchedules": [], "seo": { "canonicalPath": "/countries/united-states/hs-codes/2528000010", "robots": "index", "sitemap": true, "reasons": [ "1 national lines" ] } }, "pagination": { "page": 1, "pages": 1, "size": 100, "total": 0, "prev": null, "next": null }, "previous": "https://border.bot/countries/united-states/hs-codes/2528000005", "next": "https://border.bot/countries/united-states/hs-codes/2528000050", "links": { "self": "https://border.bot/countries/united-states/hs-codes/2528000010.json", "html": "https://border.bot/countries/united-states/hs-codes/2528000010", "canonical": "https://border.bot/countries/united-states/hs-codes/2528000010", "markdown": "https://border.bot/countries/united-states/hs-codes/2528000010.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": "2528000010", "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" }