IRS Rev. Rul.: Underpayment, Overpayment Interest Rates Remain the Same for Second Quarter of 2025 (IRC §6621)

The IRS issued a revenue ruling providing second quarter 2025 interest rates for underpayments and overpayments. For the calendar quarter beginning April 1, the overpayment rate is 7 percent (6 percent for a corporation) and the underpayment rate is 7 percent. The overpayment rate for the portion of a corporate overpayment exceeding $10,000 is 4.5 percent, and the underpayment rate for large corporate underpayments is 9 percent. [Rev. Rul. 2025-7, 2025-13 I.R.B. __ (March 24, 2025)]

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