{ "summary": "In the United States tariff, line 3815.12.00.90 covers supported catalysts, with precious metal or precious metal compounds as the active substance. Goods under this line enter free of general (MFN) duty. It falls under HS subheading 3815.12 in heading 38.15 (chapter 38).", "updatedAt": "2026-10-09", "facts": [ { "label": "Tariff line", "value": "3815.12.00.90", "source": "https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false" }, { "label": "Covers", "value": "Supported catalysts, with precious metal or precious metal compounds as the active substance", "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": "3815.12", "source": null, "url": "https://border.bot/hs-codes/381512" } ], "faq": [ { "question": "What does tariff line 3815.12.00.90 cover in the United States tariff?", "answer": "In the United States tariff, line 3815.12.00.90 covers supported catalysts, with precious metal or precious metal compounds as the active substance." }, { "question": "What is the general (MFN) duty on 3815.12.00.90 in the United States?", "answer": "Goods under this line enter free of general (MFN) duty. The rate is published on 3815.12.00." } ], "sections": [ { "id": "covers", "title": "What this line covers", "text": [ "In the United States tariff, line 3815.12.00.90 covers supported catalysts, with precious metal or precious metal compounds as the active substance.", "Its legal text is “Other”, read under “Supported catalysts” and “With precious metal or precious metal compounds as the active substance”." ] }, { "id": "structure", "title": "How it is structured", "text": [ "It falls under HS subheading 3815.12 in heading 38.15 (chapter 38). 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 3815.12.00." ] }, { "id": "other-countries", "title": "In other countries", "text": [ "No other national tariff on border.bot has live lines under 3815.12 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": "38", "description": "Miscellaneous chemical products" }, "heading": { "code": "3815", "description": "Reaction initiators, reaction accelerators and catalytic preparations, not elsewhere specified or included" }, "subheading": { "code": "381512", "description": "Supported catalysts: With precious metal or precious metal compounds as the active substance" }, "line": { "code": "3815120090", "description": "Other", "levels": [ "Supported catalysts", "With precious metal or precious metal compounds as the active substance", "Other" ], "english": null, "keywords": [], "lang": "en", "general": { "code": "38151200", "dutyText": "Free", "startDate": null, "endDate": null, "unit": null }, "preferences": [], "measures": [], "restrictions": [] }, "siblings": [ { "code": "3815120010", "description": "With platinum group metals as the active substance" } ], "siblingsTotal": 1, "previous": { "code": "3815120010", "description": "With platinum group metals as the active substance", "indexable": true }, "next": { "code": "3815190000", "description": "Other", "indexable": true }, "otherSchedules": [], "seo": { "canonicalPath": "/countries/united-states/hs-codes/3815120090", "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/3815120010", "next": "https://border.bot/countries/united-states/hs-codes/3815190000", "links": { "self": "https://border.bot/countries/united-states/hs-codes/3815120090.json", "html": "https://border.bot/countries/united-states/hs-codes/3815120090", "canonical": "https://border.bot/countries/united-states/hs-codes/3815120090", "markdown": "https://border.bot/countries/united-states/hs-codes/3815120090.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": "3815120090", "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. 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