Analysis
Subheading 6203.12 covers of synthetic fibers, within heading 6203. The first six digits are shared by every country that uses the Harmonized System, so this part of the code is the same in the US, UK and EU schedules; the 2 US tariff lines below it are national.
The spread of 9.8 percentage points between the cheapest and dearest lines makes misclassification expensive here. The highest rate, 27.3%, applies to 6203.12.20 (of synthetic fibers: other).
None of its 2 lines is duty-free at the general rate. Rates run from 17.5% to 27.3% with a median of 22.4%, so the line you choose sets the duty.
The US splits it as follows: 6203.12.10 for containing 36 percent or more by weight of wool or fine animal hair… (17.5%) and 6203.12.20 for of synthetic fibers: other (27.3%).
By Census's concordance, most of its statistical lines are made by Cut and Sew Apparel Manufacturing (3152). Those are the NAICS industries a US producer of these goods would report under.
Tariff lines
| Line | Description | General rate |
|---|---|---|
| 6203.12.10 | Containing 36 percent or more by weight of wool or fine animal hair (443) | 17.5% |
| 6203.12.20 | Of synthetic fibers: other | 27.3% |