Why Chapter 99 stacks are difficult
Enterprise importers may have Section 301, Section 122, Section 232, Section 201, exclusions, quotas, Chapter 98 treatment, FTZ treatment, and ordinary duties on the same shipment. The result is not just a higher duty bill. It is a line-level evidence problem.
If the Chapter 99 stack is wrong, later recovery work becomes slower and less reliable.
Sequence to preserve
CBP Section 122 guidance gives a trade remedy sequence for applicable Chapter 99 reporting:
| Sequence | Reporting layer |
|---|---|
| 1 | Chapter 98, if applicable |
| 2 | Chapter 99 additional duties |
| 3 | Section 301 Chapter 99 |
| 4 | Section 122 Chapter 99 |
| 5 | Section 232 Chapter 99 |
| 6 | Section 201 duties, if applicable |
| 7 | Section 201 quota, if applicable |
| 8 | Chapter 99 replacement duty or other use provisions |
| 9 | Other Chapter 99 quota provisions not covered above |
| 10 | Chapter 1-97 commodity tariff |
What this means for refund work
Drawback, PSCs, protests, exclusions, CAPE-style workflows, and litigation-driven refunds all need the entry line to tell the same story. A strong recovery program preserves:
- Every Chapter 99 heading on the entry line
- The underlying Chapter 1-97 HTS
- Quantity and value in ACE order
- Country of origin and special program claims
- Duties, taxes, fees, and trade remedy amounts paid
- Liquidation and protest status
- Export, destruction, or manufacturing evidence