HTS Reclassification and Margin Risk: Rebuild the Duty Stack
Reclassification can change base and special-duty treatment, but obsolete and mutually excluded tariff layers must not be stacked.
No universal current U.S. tariff rate is available from country of origin alone.
Classification, product scope, origin, entry time, MFN treatment, Section 232 status, and exemptions can change the result. When any required selector is missing, the safe output is indeterminate / review required.
What the reviewed sources support
- A classification change can move a product into or out of an HTS schedule, so the entire entry must be recalculated from controlling sources.
- The former Section 122 layer is historical, and its same-portion Section 232 exception makes old additive examples unsafe.
- Do not add the forced-labor action without evaluating its product schedule, economy mode, MFN formula, timing, and exceptions.
What to do before pricing or filing
- Confirm the complete HTS classification and the product description used for entry.
- Check the current HTSUS and controlling Chapter 99 notes for the entry date.
- Evaluate product schedules, transition rules, Section 232 interaction, and exclusions.
- Keep the result in review-required state until every selector and source is resolved.
The Attahir Labs rate table and TariffShield use fail-closed containment while the legacy country snapshots lack current row-level provenance. They must not supply a current numeric customs result.
Reviewed official sources
- Federal Register 2026-03824 — Proclamation 11012
- USTR — final forced-labor Section 301 action
- USITC — current Harmonized Tariff Schedule
- CBP — determining duty rates
Checked through: July 25, 2026 at 22:30 UTC. Re-review required no later than July 28, 2026 at 04:01 UTC or sooner if an official source changes.
Disclaimer: Informational content only. Verify the current HTSUS and CBP instructions or use a licensed customs broker for an entry-specific decision.