Revenue Ruling 2020-07 provides the rates for interest determined under Section 6621 of the code for the calendar quarter beginning April 1, 2020, will be 5 percent for overpayments (4 percent in the case of a corporation), 5 percent for underpayments, and 7 percent for large corporate underpayments. The rate of interest paid on the portion of a corporate overpayment exceeding $10,000 will be 2.5 percent.
Revenue Ruling 2020-07 will be published in Internal Revenue Bulletin 2020-12 on March 16, 2020.