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2616.90.00.40/Bio-Oxidized Gold Ore Residue/Mexico

Bio-Oxidized Gold Ore Residue from Mexico

Residue from bio-oxidation pretreatment of refractory sulfide gold ores exposing gold for cyanidation. Gold content reported under HTS 2616.90.00.40. Advanced processing intermediate.

Duty Rate — Mexico → United States

10%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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Import Tips

• Provide bioleach process validation documents

• Monitor bacterial residues for import health regulations

• Calculate gold exposure efficiency in declarations

Bio-Oxidized Gold Ore Residue from Mexico — Import Duty Rate | HTS 2616.90.00.40