The Protest Window Is Already Closing
An accounts payable team processes a duty payment on a July shipment from Vietnam. Routine. The invoice clears, the entry liquidates, and the clock starts running. One hundred and eighty days later, if no protest has been filed with U.S. Customs and Border Protection, that refund right is gone - permanently, regardless of what any court decides.
That is the operational reality sitting underneath the news that importers have filed suit in the Court of International Trade challenging Section 301 forced labor tariffs now applied to goods from 60 economies. The lawsuit itself is credible - the plaintiffs are contesting statutory authority under the Trade Act, a theory that carries real weight following recent judicial scrutiny of emergency trade powers. A reversal timeline of 12 to 24 months is plausible. But the litigation's outcome is not the immediate finance problem. The protest workflow is.
The Refund Right Nobody Is Tracking
Under U.S. customs law, an importer who pays duties under an active legal challenge can preserve a refund claim by filing a protest with CBP within 180 days of each entry's liquidation. Entry-specific. Deadline-specific. Not retroactive. A single protest filed on one shipment does not cover the next one. Every entry is its own clock.
Most AP and customs teams are not built for this. They process duty payments as throughput - invoices in, payments out, entries liquidated. The protest mechanism requires a parallel workflow: identify every entry subject to the new tariff, file CBP Form 19 or its ACE portal equivalent before the 180-day window closes on that specific entry, log the protest number in the ERP, and coordinate with customs counsel to ensure the grounds are legally sufficient. According to Bloomberg Law, small businesses without dedicated trade counsel are disproportionately at risk of forfeiting legally entitled refunds, because the procedural complexity creates a practical barrier that larger companies with external counsel are better positioned to clear.
The numbers, when you run them, are not abstract. A mid-size importer with $50 million in annual imports from affected economies faces roughly $5 million in additional landed cost at a 10% tariff rate. Over an 18-month litigation window, unprotested entries could represent $7.5 million in permanently forfeited refunds. The filing fees are nominal. The cost of not filing is not.
There is a second procedural trap worth naming. CBP has confirmed that a meaningful share of refund claims filed through its CAPE portal - the mechanism for duty adjustments under active litigation - have been rejected at initial validation on technical grounds, before any substantive review. The leading cause: HTS classification mismatches, where the code on the refund declaration does not match the code on the original entry. That is an ERP data quality problem, not a legal strategy problem, and it is one that customs counsel cannot fix after the window closes.
Three Decisions, Not One
The CFO's instinct on a tariff shock is usually binary: absorb or pass through. This situation requires three parallel decisions running simultaneously, and conflating them is where companies lose money.
The first is the margin decision - whether to reprice customer contracts, absorb the COGS hit, or invoke tariff pass-through clauses where they exist. Contracts written before July 24 mostly lack those clauses. That decision has a 30-to-60-day window before the compounding starts.
The second is the protest decision, which is not really a decision at all. It is a process implementation that should have started last week. The question for every CFO to ask their customs broker this week: does your firm auto-file protests under active litigation, or do you require per-entry instruction? Most brokers default to no protest unless told otherwise. That default is a silent forfeiture.
The third is the sourcing decision - and this is where a U.S.-centric read creates real risk. The reflexive move is to shift sourcing toward non-affected origins. But 60 economies covers nearly all of U.S. import value. The short list of alternatives is short for a reason. More importantly, if the Court of International Trade grants injunctive relief and suspends duty collection while the case proceeds, companies that restructured sourcing will have paid transition costs against a tariff that no longer applies. The litigation docket is worth monitoring before procurement starts renegotiating supplier relationships.
The scenario modeling that belongs in front of a board right now is not a supply chain slide. It is a three-column COGS model: tariffs sustained at 10 to 12.5 percent for two years; injunction granted within six months; partial vacatur narrowing the tariff by product category. Each column carries a different margin impact, a different working capital effect on inventory carrying costs, and a different refund upside. The refund upside in the injunction scenario is a contingent asset. It belongs on the balance sheet conversation, not in a footnote.
The lawsuit may or may not succeed. The protest deadline does not care either way.

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