- Stacking order and layer lookup : the CBP reporting order and a lookup by HTS code, origin and entry date.
- IEEPA tariff refund : the IEEPA headings and the refund process.
In this section
Section 232 tariffs by product group
Section 232 tariffs by product group: proclamation, effective date, rate as stated and Chapter 99 heading, with status. Checked 2026-10-21.
Section 232 vs IEEPA tariffs
How Section 232 and IEEPA tariffs differ: legal basis, the Supreme Court ruling, stacking, USMCA treatment and why refunds cover IEEPA only.
Section 301 China exclusions
The USTR Section 301 China exclusions: 178 extended through November 9, 2026, headings 9903.88.69 and .70, and where the product list is.
Stacking tariffs on Chinese goods
The order CBP wants Chapter 99 tariff numbers on a US entry summary (Section 301, 122, 232, 201), and a lookup of the layers in our data for …
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