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Harmonized Tariff Schedule (2025 HTS Revision 16 (07/01/2025))

Heading	Duty(general)	Article Description	Compare Code
3102		Mineral or chemical fertilizers, nitrogenous:	--
3102.10.00	Free	Urea, whether or not in aqueous solution	vs-3102
3102.10.00.10	Free	Solid urea Other:	vs-31021000
3102.10.00.30	Free	Diesel exhaust fluid (DEF) of a kind meeting ISO 22241	vs-3102100010
3102.10.00.50	Free	Other Ammonium sulfate; double salts and mixtures of ammonium sulfate and ammonium nitrate:	vs-3102100030
3102.21.00.00	Free	Ammonium sulfate	vs-3102100050
3102.29.00.00	Free	Other	vs-3102210000
3102.30.00.00	Free	Ammonium nitrate, whether or not in aqueous solution	vs-3102290000
3102.40.00.00	Free	Mixtures of ammonium nitrate with calcium carbonate or other inorganic nonfertilizing substances	vs-3102300000
3102.50.00.00	Free	Sodium nitrate	vs-3102400000
3102.60.00.00	Free	Double salts and mixtures of calcium nitrate and ammonium nitrate	vs-3102500000
3102.80.00.00	Free	Mixtures of urea and ammonium nitrate in aqueous or ammoniacal solution	vs-3102600000
3102.90.01.00	Free	Other, including mixtures not specified in the foregoing subheadings	vs-3102800000