Check out our summary of significant Internal Revenue Service (IRS) guidance and relevant tax matters for May 15, 2025 – June 2, 2025.
IRS GUIDANCE
May 15, 2025: The IRS issued Notice 2025-29, providing guidance on the corporate bond monthly yield curve, corresponding spot segment rates under Internal Revenue Code (Code) § 417(e)(3), and the 24-month average segment rates under Code § 430(h)(2). The notice also provides guidance on the interest rate for 30-year Treasury securities under Code § 417(e)(3)(A)(ii)(II) (for plan years in effect before 2008) and the 30-year Treasury weighted average rate under Code § 431(c)(6)(E)(ii)(I).
May 15, 2025: The IRS issued Revenue Ruling 2025-12, providing prescribed rates for federal income tax purposes for June 2025, including, but not limited to:
- Short-, mid-, and long-term applicable federal rates for June 2025 for purposes of Code § 1274(d)
- Short-, mid-, and long-term adjusted applicable federal rates for June 2025 for purposes of Code § 1288(b)
- The adjusted federal long-term rate and the long-term tax-exempt rate, as described in Code § 382(f)
- The federal rate for determining the present value of an annuity, an interest for life, or for a term of years, or a remainder or a reversionary interest for purposes of Code § 7520.
May 19, 2025: The IRS released Internal Revenue Bulletin 2025-21. It includes Revenue Procedure 2025-19, which provides the 2026 inflation adjusted amounts for Health Savings Accounts (HSAs) as determined under Code § 223, as well as the maximum amount that may be made newly available for excepted benefit health reimbursement arrangements under Code § 54.9831-1(c)(3)(viii). Revenue Procedure 2025-19 is effective for HSAs for the 2026 calendar year and for excepted benefit health reimbursement arrangements beginning in 2026.
May 22, 2025: The IRS issued a notice to US taxpayers living or working abroad, encouraging them to file their 2024 federal income tax returns by June 16, 2025.
June 2, 2025: The IRS issued Notice 2025-27, providing interim guidance on the application of the corporate alternative minimum tax (CAMT), as well as relief from certain additions to tax for a corporation’s underpayment of estimated tax under Code § 6655. Among other things, this notice also provides an optional simplified method for determining applicable corporation status and waives certain additions to tax under Code § 6655 concerning a corporation’s CAMT liability under Code § 55. The US Department of the Treasury (Treasury) and the IRS also plan on issuing a notice of proposed rulemaking, revising the CAMT proposed regulations in § 2.02(2) of this notice to include a method for determining applicable corporation status.
The IRS also released its weekly list of written determinations (e.g., Private Letter Rulings, Technical Advice Memorandums, and Chief Counsel Advice).
TAX CONTROVERSY DEVELOPMENTS
On May 22, 2025, the US Tax Court issued its opinion in Facebook Inc. v. Commissioner.
THE “BIG, BEAUTIFUL BILL”
The “Big, Beautiful Bill” passed the US House of Representatives on May 22, 2025, and is now being deliberated in the US Senate. Changes are expected to be made, as adjustments to the tax-focused reconciliation bill is a key focus of senators.
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