Source: Supply Chain Dive
Date: 19th March 2026 

Development of a four-step refund process advances, though key components remain under testing.

U.S. Customs authorities are continuing to advance the development of a dedicated system designed to issue refunds for tariffs that were recently removed following a U.S. Supreme Court ruling. While progress has been made, the overall timeline for when the system will become fully operational remains uncertain, according to a recent filing submitted to the U.S. Court of International Trade.

The new capability, built within the Automated Commercial Environment (ACE) platform, will manage refunds through a structured four-step process. This includes claim submission, mass processing of affected entries, review and liquidation or reliquidation, and finally the delivery of refunds to importers. The system is being developed under the Consolidated Administration and Processing of Entries (CAPE) framework.

Current estimates indicate that development and testing across the four components are between 45% and 80% complete. Among these, the review and liquidation stage is the most advanced, with testing already underway. However, further progress in this phase depends on the completion of other system components, highlighting the interconnected nature of the development process.

The mass processing stage remains the least developed, with ongoing work focused on validation procedures and event history tracking to ensure accurate audit trails. Authorities have indicated that testing for this component is expected to begin shortly once these foundational elements are finalised. At the same time, progress has been made in developing the system’s ability to consolidate refunds by liquidation date and importer, which will support more efficient payment processing.

Although the system is moving closer to completion, several uncertainties remain. These include how the process will handle complex or finalised entries and how effectively it will manage large volumes of refund claims. While the court has directed the agency to begin issuing refunds, implementation has been temporarily paused to allow sufficient time for system development.

The gradual rollout of the tariff refund system could have meaningful implications for global trade operations. Importers may benefit from improved cash flow once refunds are processed, but should be prepared for potential delays and administrative requirements as the system is finalised. Shippers and logistics providers may see increased demand for customs support services as businesses review historical entries and prepare claims. For exporters, the removal of tariffs and subsequent refunds may influence sourcing strategies, pricing decisions, and overall trade flows as companies reassess their supply chain structures.