{ "summary": "In the United States tariff, line 2937.90.20.00 covers catecholamine hormones, their derivatives and structural analogues. Goods under this line enter free of general (MFN) duty. It falls under HS subheading 2937.90 in heading 29.37 (chapter 29).", "updatedAt": "2026-10-09", "facts": [ { "label": "Tariff line", "value": "2937.90.20.00", "source": "https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false" }, { "label": "Covers", "value": "Catecholamine hormones, their derivatives and structural analogues", "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": "2937.90", "source": null, "url": "https://border.bot/hs-codes/293790" } ], "faq": [ { "question": "What does tariff line 2937.90.20.00 cover in the United States tariff?", "answer": "In the United States tariff, line 2937.90.20.00 covers catecholamine hormones, their derivatives and structural analogues." }, { "question": "What is the general (MFN) duty on 2937.90.20.00 in the United States?", "answer": "Goods under this line enter free of general (MFN) duty." } ], "sections": [ { "id": "covers", "title": "What this line covers", "text": [ "In the United States tariff, line 2937.90.20.00 covers catecholamine hormones, their derivatives and structural analogues.", "Its legal text is “Other”, read under “Other”, “Catecholamine hormones, their derivatives and structural analogues” and “Other”." ] }, { "id": "structure", "title": "How it is structured", "text": [ "It falls under HS subheading 2937.90 in heading 29.37 (chapter 29). 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." ] }, { "id": "other-countries", "title": "In other countries", "text": [ "No other national tariff on border.bot has live lines under 2937.90 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-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": "29", "description": "Organic chemicals" }, "heading": { "code": "2937", "description": "Hormones, prostaglandins, thromboxanes and leukotrienes, natural or reproduced by synthesis; derivatives and structural analogues thereof, including chain modified polypeptides, used primarily as hormones" }, "subheading": { "code": "293790", "description": "Other" }, "line": { "code": "2937902000", "description": "Other", "levels": [ "Other", "Catecholamine hormones, their derivatives and structural analogues", "Other", "Other" ], "english": null, "keywords": [], "lang": "en", "general": { "code": "2937902000", "dutyText": "Free", "startDate": null, "endDate": null, "unit": null }, "preferences": [], "measures": [], "restrictions": [] }, "siblings": [ { "code": "2937900500", "description": "Epinephrine" }, { "code": "2937901000", "description": "Epinephrine hydrochloride" }, { "code": "2937904000", "description": "l-Thyroxine (Levothyroxine), sodium" }, { "code": "2937904500", "description": "Other" }, { "code": "2937909000", "description": "Other" } ], "siblingsTotal": 5, "previous": { "code": "2937901000", "description": "Epinephrine hydrochloride", "indexable": true }, "next": { "code": "2937904000", "description": "l-Thyroxine (Levothyroxine), sodium", "indexable": true }, "otherSchedules": [], "seo": { "canonicalPath": "/countries/united-states/hs-codes/2937902000", "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/2937901000", "next": "https://border.bot/countries/united-states/hs-codes/2937904000", "links": { "self": "https://border.bot/countries/united-states/hs-codes/2937902000.json", "html": "https://border.bot/countries/united-states/hs-codes/2937902000", "canonical": "https://border.bot/countries/united-states/hs-codes/2937902000", "markdown": "https://border.bot/countries/united-states/hs-codes/2937902000.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": "2937902000", "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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