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U.S. Customs and Border Protection could potentially begin processing refunds for now-defunct tariffs on an expanded scope of entries as early as next month, but legal hurdles may alter the timeline.

The agency is currently working on additional functionalities to cover finally liquidated entries and those up for reconciliation within its dedicated refund portal for tariffs the Supreme Court struck down earlier this year, CBP Executive Assistant Commissioner Susan Thomas said during a hearing Tuesday.

The new capabilities, which Thomas said are scheduled to be rolled out in two distinct phases, would expand the number of entries that can access the portal, known as Consolidated Administration and Processing of Entries, or CAPE.

The first new functionality, targeting a June 29 launch, would cover entries flagged for reconciliation, which account for roughly $28.7 billion in refunds.