From Chapter 28: Chapter 28
| HTS Code | Description | General Duty |
|---|---|---|
| 2808000000 | Nitric acid; sulfonitric acids | Free |
| 2808000010 | Nitric acid; sulfonitric acids Nitric acid | Free |
| 2808000020 | Nitric acid; sulfonitric acids Sulfonitric acids | Free |