Tariff refunds may trigger tax surprises for business clients
Tariff refunds are moving from trade news to tax-season reality, arriving in client accounts, and the tax treatment is anything but straightforward.
U.S. Customs and Border Protection (CBP) launched a new refund process on April 20, 2026, through the Consolidated Administration and Processing of Entries (CAPE) functionality in the Automated Commercial Environment (ACE) Portal. Approved claims may result in refunds of previously paid tariffs, including applicable interest. For more information, visit CBP’s IEEPA Duty Refunds Fact Sheet.
For tax professionals, the practical question is not only whether a client receives a refund. The harder question is what happens next on the tax return?
Depending on the original treatment, the correct answer could involve the tax benefit rule, inventory adjustments, COGS, asset basis, depreciation adjustments or recovery, interest income, accounting method considerations, transfer pricing or state conformity, sometimes more than one at once.
Quick take for tax pros
When a business client receives a tariff-related refund, start with one question: How was the tariff originally treated for tax purposes?
- If the tariff was deducted, the refund may be taxable under the tax benefit rule, subject to the §111 exclusion, meaning the refund is only taxable to the extent the original deduction actually reduced federal income tax.
- If the tariff was capitalized to inventory and already flowed through cost of goods sold (COGS), the refund may be includible in income rather than treated as a current-year inventory cost reduction.
- If the tariff is still sitting in ending inventory or was capitalized on a fixed-asset basis, the answer may require adjustments to inventory, basis or depreciation instead.
This is why practitioners should treat the refund as a decision-framework issue rather than a one-line income item.
Use this tariff refund decision framework
Before reporting a tariff refund, walk through these questions with the client:
|
Decision point |
Practitioner question |
Possible tax result |
|
Original treatment |
Was the tariff deducted, capitalized to inventory, recovered through COGS or added to the asset basis? |
Determines the starting point. |
|
Tax benefit |
Did the original treatment reduce federal income tax or create a usable carryover? |
Possible full, partial or no income inclusion under §111. |
|
Inventory status |
Were the goods already sold or are they still on hand? |
If the goods were already sold and the tariff flowed through COGS, the refund is likely includible in income. If the goods are still on hand, an inventory cost adjustment may be more appropriate. |
|
Asset basis |
Was the tariff tied to equipment or another capital asset? |
Possible basis reduction, depreciation change or gain/loss issue. |
|
Interest |
Did the refund include interest? |
Interest may be taxable separately from the refund principal. |
|
Disputed amount |
Is the refund final or still subject to reversal? |
Timing and claim-of-right issues may apply. |
|
Related parties |
Did a foreign affiliate, related importer or customs broker play a role? |
Transfer pricing or allocation questions may arise. |
|
State filings |
Does the client file in one or more states? |
State conformity and modifications may change the answer. |
State conformity may change the final answer
Federal treatment is only the first layer. State income tax treatment may not automatically follow.
For each state where the client files, verify conformity on income inclusion, inventory treatment, basis adjustments, depreciation, and interest income. Multistate filers may also face apportionment and sourcing implications unique to each jurisdiction.
When the refund hits, follow the tariff trail
A tariff refund can create more than one tax result. The answer depends on whether the tariff was previously deducted, capitalized, recovered through cost of goods sold or included in the asset basis. It may also depend on whether the refund includes interest, whether the amount is disputed, whether related parties are involved and whether the client files state returns.
For practitioners, the safest approach is to document the original treatment first, then apply the federal framework and complete a separate state conformity review.
Your next steps?
- Save this framework.
- Identify clients who may receive tariff refunds.
- Brush up on NATP education covering business income.
You now have a framework to handle tariff refunds confidently and correctly before a client walks in the door with one.
About the author(s)
NATP Staff