The IRS has released Internal Revenue Bulletin 2026-28, which includes several noteworthy updates affecting retirement plans, investment incentives, and federal interest rates.
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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.
EMPLOYEE PLANS
Notice 2026-38, page 30.
This notice sets forth updates on the corporate bond monthly yield curve, the corresponding spot segment rates for May 2026 used under § 417(e)(3)(D), the 24-month average segment rates applicable for June 2026, and the 30-year Treasury rates, as reflected by the application of § 430(h)(2)(C)(iv).
INCOME TAX
Notice 2026-40, page 33.
Notice 2026-40 announces that the Department of the Treasury (Treasury Department) and the Internal Revenue Service (IRS) intend to issue proposed regulations regarding qualified opportunity zones (QOZs) under §§ 1400Z-1 and 1400Z-2 of the Internal Revenue Code (Code), as amended by § 70421 of Public Law 119-21, 139 Stat. 72 (July 4, 2025), commonly known as the One, Big, Beautiful Bill Act (OBBBA), including transitional guidance related to qualifying investments under §§ 1400Z-1 and 1400Z-2, as in effect prior to amendment by § 70421 of the OBBBA (forthcoming proposed regulations). The forthcoming proposed regulations are anticipated to include proposed rules similar to the rules provided in sections 3 through 5 of this notice.
Rev. Rul. 2026-12, page 27.
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 July 2026.