From Chapter 26: Chapter 26
| HTS Code | Description | General Duty |
|---|---|---|
| 2603000000 | Copper ores and concentrates | 1.7¢/kg on lead content |
| 2603000010 | Copper ores and concentrates Copper content | 1.7¢/kg on lead content |
| 2603000020 | Copper ores and concentrates Lead content | 1.7¢/kg on lead content |
| 2603000030 | Copper ores and concentrates Zinc content | 1.7¢/kg on lead content |
| 2603000040 | Copper ores and concentrates Silver content | 1.7¢/kg on lead content |
| 2603000050 | Copper ores and concentrates Gold content | 1.7¢/kg on lead content |