Analysis
HTS 5003.00.10 covers not carded or combed under heading 5003 (silk waste (including cocoons unsuitable for reeling, yarn waste and garnetted stock)).
Within this group the rate runs from 2.5% to 2.5%. Compared with 5003.00.90 (silk waste (including cocoons unsuitable for reeling, yarn waste and…), which pays 2.5%, a misclassification either way moves the duty by 2.5 percentage points.
The normal trade relations rate here is zero, shared by about 62% of the 13 tariff lines in chapter 50, a useful check when a neighbouring dutiable line is a candidate. Chapter 99 measures such as Section 301 or 232 can still apply on top, depending on where the goods come from.
The other line in the same group is 5003.00.90 (silk waste (including cocoons unsuitable for reeling, yarn…, 2.5%).
Census statistics map these goods to NAICS 112990 (All Other Animal Production). That concordance is how imports of this line are compared with US output.
The general rate of Free has not changed in any edition of the schedule since Jan 2023.
Neighbouring lines
| Line | Description | General rate |
|---|---|---|
| 5003.00.90 | Silk waste (including cocoons unsuitable for reeling, yarn waste and garnetted stock): other | 2.5% |