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HTS Number Description Unit of Quantity General Rate of Duty Details
3102 Mineral or chemical fertilizers, nitrogenous:
3102 1000 Urea, whether or not in aqueous solution Free
3102 1000.10 Solid urea t Free More
3102 1000.30 Diesel exhaust fluid (DEF) of a kind meeting ISO 22241 t Free More
3102 1000.50 Other t Free More
3102 2100.00 Ammonium sulfate t Free More
3102 2900.00 Other t Free More
3102 3000.00 Ammonium nitrate, whether or not in aqueous solution t Free More
3102 4000.00 Mixtures of ammonium nitrate with calcium carbonate or other inorganic nonfertilizing substances t Free More
3102 5000.00 Sodium nitrate t Free More
3102 6000.00 Double salts and mixtures of calcium nitrate and ammonium nitrate t Free More
3102 8000.00 Mixtures of urea and ammonium nitrate in aqueous or ammoniacal solution t Free More
3102 9001.00 Other, including mixtures not specified in the foregoing subheadings t Free More