Is a refund still possible?

Not through this ruling. Detroit Axle can appeal to the Federal Circuit, so the question is not permanently settled, but any refund line in your margin model should come out until a higher court says otherwise.

How large was de minimis volume?

De minimis shipments rose from roughly 134 million a year in 2015 to more than 1.36 billion in 2024, with a large majority originating in China before the exemption closed.

What should sellers do now?

Recompute landed cost per unit at the current duty rate, sort SKUs by contribution margin, and confirm who is importer of record on each entry. That last point decides who pays the duty and who could act on any future ruling.

Trade court upholds the end of the $800 de minimis exemption

Quick Summary

•The Court of International Trade held on August 13, 2026 that IEEPA allowed rescinding the $800 exemption

•The panel separated withdrawing an existing privilege from imposing new tariff obligations

•Plaintiff Detroit Axle faced duties above 52% on Chinese-origin parts after the exemption closed

•De minimis shipments had grown from 134 million a year in 2015 to over 1.36 billion in 2024

•An appeal to the Federal Circuit is still possible, so treat current landed cost as the working assumption

What happened

On Thursday, August 13, 2026, the US Court of International Trade held that the president had authority under the International Emergency Economic Powers Act to end the de minimis duty-free exemption for imports worth $800 or less. The three-judge panel drew a line between rescinding an existing trade privilege and creating new tariff obligations, and found only the first was permitted here (CNBC, August 13, 2026).

The case was brought by Detroit Axle, an auto parts importer that had built a distribution centre in Juarez, Mexico to ship small direct-to-consumer orders under the threshold. After the exemption closed it faced duties above 52% on Chinese-origin goods. Its argument, that Congress had kept the exemption alive until July 2027 in the 2025 omnibus spending bill and therefore never handed the president power to end it early, did not carry (Supply Chain Dive: US de minimis elimination upheld by trade court (August 13, 2026)).

Why it matters for sellers

Plenty of importers have been carrying the duty as a provisional cost, quietly hoping a court would hand it back. This ruling closes that hope on the de minimis question. Duty-free entry for sub-$800 parcels is not coming back through this case, and any refund line you were modelling against it should come out of the forecast.

The scale explains the stakes. De minimis shipments went from 134 million a year in 2015 to more than 1.36 billion in 2024, with roughly three quarters originating in China before the May 2025 change. Whole business models were priced off that exemption, and every product they undercut has been repricing since.

Detroit Axle can still appeal to the Federal Circuit, so the legal question is open rather than dead. Treat the current landed cost as the working assumption, not as a temporary state.

What to do in the next 7 days

Remove any provisional refund from your margin model. If a SKU only clears its target margin because a duty comes back, it does not clear its target margin.

Re-run landed cost per unit at the current duty rate. Then sort by contribution margin and see which SKUs fall under your floor.

Look again at parcel-level fulfilment from Mexico or Canada. Small-order cross-border models built for the exemption need new arithmetic, not new routing.

Ask your supplier who is importer of record. That single fact decides who absorbs the duty and who can act on any future ruling.

How Nova helps

COGS & fee tracker - duties and landed cost per unit sit next to Amazon fees, so a tariff change reads as a cost line rather than a margin mystery.

Winners & losers - ranks SKUs by profit movement, which is how you find the products a duty rate quietly pushed under water.

FBA calculator - model a new landed cost against Amazon fees before you commit to a price change.

On August 13, 2026, the US Court of International Trade held that the president had authority under IEEPA to rescind the de minimis duty-free exemption for imports valued at $800 or less. The panel treated withdrawing an existing privilege as distinct from imposing new tariffs.

Trade court upholds the end of the $800 de minimis exemption

Quick Summary

What happened

Why it matters for sellers

What to do in the next 7 days

How Nova helps

Verified Sources

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What happened

Why it matters for sellers

What to do in the next 7 days

How Nova helps

Frequently Asked Questions

What did the court decide?

Who brought the case?

Is a refund still possible?

How large was de minimis volume?

What should sellers do now?

Frequently Asked Questions

What did the court decide?

Who brought the case?

Is a refund still possible?

How large was de minimis volume?

What should sellers do now?