IRS Interest Rates for Customs Duties Stay Boringly Steady at 7%
Published Date: 9/29/2025
Notice
Summary
Starting October 1, 2025, the IRS interest rates for late payments and refunds on customs duties stay steady. Both companies and individuals will see a 7% interest rate on late payments, while refunds will be 7% for individuals and 6% for companies. If you deal with customs duties, these rates affect how much extra you pay or get back.
Analyzed Economic Effects
2 provisions identified: 1 benefits, 1 costs, 0 mixed.
7% Interest on Late Customs Payments
If you or your company pay customs duties late during the quarter beginning October 1, 2025, the IRS interest rate on underpayments is 7 percent for both corporations and non‑corporations. That means overdue customs duty balances will accrue interest at 7% until they are paid.
Refund Interest: 7% Individuals, 6% Corporations
If you or your company are due a customs duty refund in the quarter beginning October 1, 2025, the IRS will pay interest on the refund: 7 percent for non‑corporations (individuals) and 6 percent for corporations. That interest is added to the refund amount until Customs issues the payment.
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