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HTS heading 3105: Mineral or chemical fertilizers containing two or three of the fertilizing elements nitrogen, phosphorus and potassium; other fertilizers; goods of this chapter

Heading 3105 of the US Harmonized Tariff Schedule covers 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. Below: every rated tariff line in it with its general duty rate, Section 301 China status and exclusions, then a page per line with a free duty calculator.

Official USITC HTS, 2026HTSRev22 · check on hts.usitc.gov

Heading 3105 at a glance

Goods named in this heading (official line texts): Products of this chapter in tablets or similar forms or in packages of a gross weight not exce…, Mineral or chemical fertilizers containing the three fertilizing elements nitrogen, phosphorus…, Diammonium hydrogenorthophosphate (Diammonium phosphate), Ammonium dihydrogenorthophosphate (Monoammonium phosphate) and mixtures thereof with diammoniu…, Containing nitrates and phosphates, Mineral or chem.

Subheadings (6-digit)

All tariff lines in heading 3105

LineDescriptionGeneralSection 301 (China)Exclusions
3105.10.00Products of this chapter in tablets or similar forms or in packages of a gross weight not exce…FreeList 3 +25%
3105.20.00Mineral or chemical fertilizers containing the three fertilizing elements nitrogen, phosphorus…FreeList 3 +25%
3105.30.00Diammonium hydrogenorthophosphate (Diammonium phosphate)FreeList 3 +25%
3105.40.00Ammonium dihydrogenorthophosphate (Monoammonium phosphate) and mixtures thereof with diammoniu…FreeList 3 +25%
3105.51.00Containing nitrates and phosphatesFreeList 3 +25%
3105.59.00Other mineral or chemical fertilizers containing the two fertilizing elements ni…: OtherFreeList 3 +25%
3105.60.00Mineral or chemical fertilizers containing the two fertilizing elements phosphorus and potassi…FreeList 3 +25%
3105.90.00Mineral or chemical fertilizers containing two or three of the fertilizing eleme…: OtherFreeList 3 +25%

All of chapter 31 · Chapter 31 rate summary · HTS lookup

General information from the official US Harmonized Tariff Schedule (USITC) and USTR Section 301 notices in HTS Chapter 99; not legal or customs advice. Classification is decided by CBP; confirm with a licensed customs broker or a CBP binding ruling.

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