US Customs and Border Protection will launch the CAPE portal on Sunday, April 20, opening the first phase of what is expected to be the largest tariff refund operation in American trade history. The portal — Customs Automated Processing Environment — will allow importers and customs brokers to submit refund claims for duties paid under the International Emergency Economic Powers Act tariffs that the Supreme Court struck down earlier this year. [1]

The scale is unprecedented. The Wharton School estimates that total eligible refunds could reach $175 billion, reflecting duties collected on Chinese imports during the period when IEEPA tariffs were in effect. Phase 1 of the CAPE portal covers two specific entry types: formal entries with standard duty assessments and entries subject to anti-dumping or countervailing duty adjustments. Additional entry types will be added in subsequent phases. [2]

The mechanics are straightforward but labor-intensive. Importers must file CAPE Declarations — electronic claims identifying specific entries, duty amounts paid, and the legal basis for refund eligibility. CBP will process claims through automated verification checks cross-referenced against its entry database. The agency has estimated an initial processing timeline of 60 to 90 days per claim, though trade attorneys expect backlogs to extend that considerably given the volume. [1]

What the portal will not do — and what no one in the trade policy apparatus is pretending it will do — is return money to consumers. [3]

The tariffs that IEEPA imposed were paid by importers at the border. Those importers passed the costs downstream through their supply chains — to wholesalers, to retailers, and ultimately to consumers who paid higher prices for goods ranging from electronics to clothing to industrial equipment. The price increases were distributed across millions of transactions over months. They cannot be unwound transaction by transaction. [3]

The refund goes to the entity that wrote the check to CBP, which is the importer of record. A company that imported $50 million in Chinese-manufactured goods and paid $10 million in IEEPA duties will receive a $10 million refund. The consumers who paid inflated prices for those goods — distributed across thousands of retail transactions at hundreds of stores — will receive nothing. [3]

The Sun's coverage of the refund program was blunt: "Consumers won't see a cent." [4] The assessment is legally and economically accurate. There is no mechanism in US trade law to trace tariff costs through a supply chain and rebate them to end purchasers. The administrative impossibility is not a policy choice. It is a structural feature of how tariffs work.

The result is a wealth transfer that operates in both directions — and only reverses in one. When tariffs are imposed, the cost flows from government to importer to consumer. When tariffs are struck down and refunds issued, the refund flows from government to importer. The consumer-to-importer leg of the original cost transfer is not reversed. It is permanent.

Some importers may choose to pass savings forward through lower prices. Market competition would normally encourage this. But in an inflationary environment — with energy costs elevated by the Hormuz blockade, supply chains still adjusting to the tariff whiplash, and consumer demand showing signs of softening — the incentive structure favors margin recovery over price reduction. Companies that absorbed tariff costs rather than passing them fully to consumers will treat the refund as margin restoration. Companies that passed costs fully will pocket the refund as profit. [2]

The political optics are predictable. The administration that imposed the tariffs — and was overruled by the Supreme Court — will claim credit for facilitating the refund. Congressional critics will note that the refund goes to corporations, not households. Both claims will be technically correct and substantively incomplete.

The deeper issue is temporal. The IEEPA tariffs were in effect for months. During that period, consumer prices adjusted upward. Supply chains renegotiated contracts. Business models incorporated the higher cost basis. The refund does not reset the clock. It reimburses one party in a chain of transactions where every party was affected.

And the portal itself is only a first phase. CBP has signaled that additional entry types — anti-dumping and countervailing-duty adjustments, duty drawbacks, warehouse and foreign-trade-zone entries — will be added in later waves. Trade attorneys expect the full processing cycle to run through 2027 at minimum, with litigation over disputed claim denials likely to extend that further. The administrative architecture being built Sunday is not a one-time payout. It is a multi-year refund apparatus quietly embedded inside the customs system.

April 20 will be a good day for importers, customs brokers, and trade attorneys. It will not be a noticeable day for anyone who buys things at stores.

-- HENDRIK VAN DER BERG, Brussels