HTS heading 5006
Silk yarn and yarn spun from silk waste, put up for retail sale; silkworm gut — 3 codes under this heading, with the duty on each.
| Code | Description | General rate | Units |
|---|---|---|---|
| 5006.00 | Silk yarn and yarn spun from silk waste, put up for retail sale; silkworm gut + Ch. 99 | not stated | — |
| 5006.00.10.00 | Containing 85 percent or more by weight of silk or silk waste + Ch. 99 | Free | kg |
| 5006.00.90.00 | Other (800) + Ch. 99 | Free | kg |
Additional duties may apply
3 lines here reference Chapter 99, where Section 301, Section 232 and other additional duties live. Those are charged on top of the general rate and depend on where the goods were made. What those provisions are.
Source: Harmonized Tariff Schedule of the United States, U.S. International Trade Commission (public domain). Classification and the duties that finally apply to a shipment are a licensed customs broker's call.