Ammonium Chloride Chalk Fertilizer Mix from Mexico
Mixture of ammonium chloride with chalk/gypsum per note 2(c), providing nitrogen and soil amendment. HTS 3102.90.01.00 covers this unspecified mixture for sodic soil correction. Ground application for field crops.
Duty Rate — Mexico → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Quantify inorganic nonfertilizing substances (chalk/gypsum) per note 2(c) requirements
• Distinguish from pure ammonium chloride chemicals in Chapter 28
• Provide soil amendment application data for proper agricultural classification