March 6 (UPI) -- U.S. Customs and Border Protection told a judge Friday that it can't comply with his order to begin refunding tariffs that the Supreme Court ruled illegal.

On Wednesday, the Court of International Trade ordered the department to begin reimbursing the importers who paid the tariffs created by President Donal Trump under the International Emergency Economic Powers Act, Axios reported. The Supreme Court determined that he didn't have the power to do so under that law on Feb. 21.

On Friday, Customs and Border Protection's Brandon Lord, executive director of Trade Programs at the agency, told the court in a filing that it's now facing "an unprecedented volume of refunds."

The filing said that as of March 4, more than 330,000 importers have made more than "53 million entries in which they have deposited or paid duties imposed pursuant to the International Emergency Economic Powers Act." The total adds up to $166 billion.

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