Copper-Gold Ore Concentrate with 5g/t Gold Content from Mexico
Copper ore concentrate extracted from porphyry deposits, containing approximately 5 grams of gold per metric ton alongside primary copper sulfides. Classified under HTS 2603.00.0050 due to its specific gold content as a byproduct in copper ores and concentrates. The gold is not separately recoverable at this stage but reported statistically by assay quantity.
Duty Rate — Mexico → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Obtain certified assay reports specifying gold content per statistical notes to avoid misclassification; declare quantity in grams without deductions
• Verify origin certificates as copper ores may face anti-dumping duties from certain countries
• Common pitfall: underreporting gold leads to penalties during customs audit