From Chapter 29: Chapter 29
| HTS Code | Description | General Duty |
|---|---|---|
| 2923100000 | Quaternary ammonium salts and hydroxides; lecithins and other phosphoaminolipids, whether or not chemically defined Choline and its salts | 3.7% |
| 2923201000 | Lecithins and other phosphoaminolipids Purified egg phospholipids, pharmaceutical grade meeting requirements of the U.S. Food and Drug Administration, for use in intravenous fat emulsion | Free |
| 2923202000 | Lecithins and other phosphoaminolipids Other | 5% |
| 2923202010 | Other Certified organic lecithins | 5% |
| 2923202050 | Other | 5% |
| 2923300000 | Quaternary ammonium salts and hydroxides; lecithins and other phosphoaminolipids, whether or not chemically defined Tetraethylammonium perfluorooctane sulfonate | 6.2% |
| 2923400000 | Quaternary ammonium salts and hydroxides; lecithins and other phosphoaminolipids, whether or not chemically defined Didecylmethylammonium perfluorooctane sulfonate | 6.2% |
| 2923900100 | Quaternary ammonium salts and hydroxides; lecithins and other phosphoaminolipids, whether or not chemically defined Other | 6.2% |