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Chapter 26 HTS Revision 18 (2026)

Tariff Schedule

Chapter 26: Ores, slag and ash

10 provisions in this chapter where a USMCA claim changes the duty.

HTSDescription GeneralUSMCASection 338
2603.00.00 Copper ores and concentrates 1.7¢/kg on lead content Free
2607.00.00 Lead ores and concentrates 1.1¢/kg on lead content Free
2611.00.60.00 Tungsten ores and concentrates: Concentrates 37.5¢/kg on tungsten content Free
2613.10.00.00 Molybdenum ores and concentrates: Roasted 12.8¢/kg on molybdenum content + 1.8% Free
2613.90.00.00 Molybdenum ores and concentrates: Other 17.8¢/kg on molybdenum content Free
2616.10.00 Precious metal ores and concentrates: Silver ores and concentrates 0.8¢/kg on lead content Free
2616.90.00 Precious metal ores and concentrates: Other 1.7¢/kg on lead content Free
2620.19.60 Slag, ash and residues (other than from the manufacture of iron or steel), containing arsenic, metals or their compounds: Other 0.7¢/kg on copper content + 0.7¢/kg on lead content Free
2620.60.10.00 Slag, ash and residues (other than from the manufacture of iron or steel), containing arsenic, metals or their compounds: Of a… 5% Free
2620.99.20.00 Slag, ash and residues (other than from the manufacture of iron or steel), containing arsenic, metals or their compounds:… 17.6¢/kg on tungsten content + 3.8% Free