{ "summary": "In the United States tariff, line 3105.40.00.10 covers ammonium dihydrogenorthophosphate (Monoammonium phosphate) and mixtures thereof with diammonium hydrogenorthophosphate (Diammonium phosphate), ammonium dihydrogenorthophosphate (Monoammonium phosphate). Goods under this line enter free of general (MFN) duty. It falls under HS subheading 3105.40 in heading 31.05 (chapter 31).", "updatedAt": "2026-10-09", "facts": [ { "label": "Tariff line", "value": "3105.40.00.10", "source": "https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false" }, { "label": "Covers", "value": "Ammonium dihydrogenorthophosphate (Monoammonium phosphate) and mixtures thereof with diammonium hydrogenorthophosphate (Diammonium phosphate), ammonium dihydrogenorthophosphate (Monoammonium phosphate)", "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": "3105.40", "source": null, "url": "https://border.bot/hs-codes/310540" } ], "faq": [ { "question": "What does tariff line 3105.40.00.10 cover in the United States tariff?", "answer": "In the United States tariff, line 3105.40.00.10 covers ammonium dihydrogenorthophosphate (Monoammonium phosphate) and mixtures thereof with diammonium hydrogenorthophosphate (Diammonium phosphate), ammonium dihydrogenorthophosphate (Monoammonium phosphate)." }, { "question": "What is the general (MFN) duty on 3105.40.00.10 in the United States?", "answer": "Goods under this line enter free of general (MFN) duty. The rate is published on 3105.40.00." } ], "sections": [ { "id": "covers", "title": "What this line covers", "text": [ "In the United States tariff, line 3105.40.00.10 covers ammonium dihydrogenorthophosphate (Monoammonium phosphate) and mixtures thereof with diammonium hydrogenorthophosphate (Diammonium phosphate), ammonium dihydrogenorthophosphate (Monoammonium phosphate).", "Its legal text is “Ammonium dihydrogenorthophosphate (Monoammonium phosphate)”, read under “Ammonium dihydrogenorthophosphate (Monoammonium phosphate) and mixtures thereof with diammonium hydrogenorthophosphate (Diammonium phosphate)”." ] }, { "id": "structure", "title": "How it is structured", "text": [ "It falls under HS subheading 3105.40 in heading 31.05 (chapter 31). 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 3105.40.00." ] }, { "id": "other-countries", "title": "In other countries", "text": [ "No other national tariff on border.bot has live lines under 3105.40 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": "31", "description": "Fertilisers" }, "heading": { "code": "3105", "description": "Mineral or chemical fertilizers containing two or three of the fertilizing elements nitrogen, phosphorus and potassium; other fertilizers; goods of this chapter in tablets or similar forms or in packages of a gross weight not exceeding 10 kg" }, "subheading": { "code": "310540", "description": "Ammonium dihydrogenorthophosphate (monoammonium phosphate) and mixtures thereof with diammonium hydrogenorthophosphate (diammonium phosphate)" }, "line": { "code": "3105400010", "description": "Ammonium dihydrogenorthophosphate (Monoammonium phosphate)", "levels": [ "Ammonium dihydrogenorthophosphate (Monoammonium phosphate) and mixtures thereof with diammonium hydrogenorthophosphate (Diammonium phosphate)", "Ammonium dihydrogenorthophosphate (Monoammonium phosphate)" ], "english": null, "keywords": [], "lang": "en", "general": { "code": "31054000", "dutyText": "Free", "startDate": null, "endDate": null, "unit": null }, "preferences": [], "measures": [], "restrictions": [] }, "siblings": [ { "code": "3105400050", "description": "Other" } ], "siblingsTotal": 1, "previous": { "code": "3105300000", "description": "Diammonium hydrogenorthophosphate (Diammonium phosphate)", "indexable": true }, "next": { "code": "3105400050", "description": "Other", "indexable": true }, "otherSchedules": [], "seo": { "canonicalPath": "/countries/united-states/hs-codes/3105400010", "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/3105300000", "next": "https://border.bot/countries/united-states/hs-codes/3105400050", "links": { "self": "https://border.bot/countries/united-states/hs-codes/3105400010.json", "html": "https://border.bot/countries/united-states/hs-codes/3105400010", "canonical": "https://border.bot/countries/united-states/hs-codes/3105400010", "markdown": "https://border.bot/countries/united-states/hs-codes/3105400010.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": "3105400010", "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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