In IRS Bulletin 2025-23: July’s interest rates are set, April’s bond yield curve is published, and June’s adjusted federal and tax-exempt rates are released. Download the full bulletin in PDF.
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The Internal Revenue Bulletin (IRB) is the authoritative instrument for announcing official rulings and procedures of the IRS and for publishing Treasury Decisions, Executive Orders, Tax Conventions, legislation, court decisions, and other items of general interest.
ADMINISTRATIVE
Rev. Rul. 2025-11, page 1451.
Interest rates: underpayments and overpayments. The rates for interest determined under Section 6621 of the code for the calendar quarter beginning July 1, 2025, will be 7 percent for overpayments (6 percent in the case of a corporation), 7 percent for underpayments, and 9 percent for large corporate underpayments. The rate of interest paid on the portion of a corporate overpayment exceeding $10,000 will be 4.5 percent.
EMPLOYEE PLANS
Notice 2025-29, page 1473.
This notice sets forth updates on the corporate bond monthly yield curve, the corresponding spot segment rates for April 2025 used under § 417(e)(3)(D), the 24-month average segment rates applicable for May 2025, and the 30-year Treasury rates, as reflected by the application of § 430(h)(2)(C)(iv).
INCOME TAX
Rev. Rul. 2025-12, page 1471.
Federal rates; adjusted federal rates; adjusted federal longterm rate, and the long-term tax exempt rate. For purposes of sections 382, 1274, 1288, 7872 and other sections of the Code, tables set forth the rates for June 2025.ents.