The process of refunding tariffs to US importers is beginning to take shape following the Supreme Court’s decision to strike down duties imposed under emergency powers.
US Customs and Border Protection (CBP) is developing a dedicated system within its Automated Commercial Environment to handle what is expected to be one of the largest refund exercises undertaken by the agency.
The process is being designed around four key stages: claim submission, automated validation and recalculation of duties, review and liquidation, and final refund payment. Importers will be required to submit detailed entry data, which the system will validate before calculating the amounts owed and issuing repayments electronically.
Although progress is being made, the scale of the task remains considerable. Tens of millions of entries are potentially affected, and the volume of data required means the process cannot be implemented immediately. Current timelines suggest the system will take several weeks to become fully operational, with further updates expected as development continues.
Data requirements will increase scrutiny on historical entries
The refund process will require importers to provide a comprehensive dataset covering entries where tariffs were paid. This includes classification details, country of origin, entry numbers, duty amounts and supporting documentation.
As a result, the process is likely to do more than simply return funds. By consolidating this level of information into a single submission, it effectively creates a detailed audit trail of past imports.
For businesses, this increases the importance of data accuracy and consistency. Any discrepancies in classification, valuation or origin could trigger further review, potentially extending timelines or leading to additional compliance checks.
Despite the scale of the opportunity, readiness across the importing community remains relatively low.
Only a small proportion of eligible importers have completed the necessary setup to receive refunds electronically. Until this process is finalised, any payments issued may be rejected, delaying recovery of funds.
At the same time, recent changes to US customs requirements mean that more detailed shipment information is already being requested earlier in the import process. Combined with the refund requirements, this is increasing the administrative burden on importers.
Submitting claims without fully validating the underlying data may expose businesses to additional scrutiny. Conversely, delaying preparation could result in slower access to funds once the system becomes fully operational.
This creates a balance between speed and compliance, where careful preparation is likely to be the most effective strategy.
Technology and expertise will play a critical role
Given the volume of entries and the level of detail required, technology is expected to play an increasingly important role in managing the process.
Automated systems can help organise entry data, validate submissions and identify inconsistencies before claims are filed. At the same time, experienced customs oversight remains essential to ensure that filings are accurate and aligned with regulatory requirements.
For many importers, this combination of technology and expertise will be key to navigating what is likely to be a complex and closely monitored process.
The tariff refund process presents a clear financial opportunity, but it also requires careful handling of data, compliance and submission timing.
Metro combines its US presence, local customs brokerage expertise and advanced systems, including its AI and machine-learning powered CuDoS platform, to support the CBP refund process - helping customers prepare accurate, compliant claims.
If you want to understand what you may be owed and how to approach the refund process with confidence, EMAIL Andrew Smith, Managing Director at Metro, to discuss how Metro’s US customs team can support your submission strategy.





