Highlights of Internal Revenue Bulletin 2026-1 – 12/29/2025

Highlights of Internal Revenue Bulletin 2026-1 – 12/29/2025

The latest Internal Revenue Bulletin outlines updated procedures for letter rulings, technical advice, employee plan determinations, and exempt organization guidance. Here’s a quick overview.

Access to Full IRS Bulletins in PDF format

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. Proc. 2026-1, page 1.

This revenue procedure contains revised procedures for letter rulings and information letters issued by the Associate Chief Counsel (Corporate), Associate Chief Counsel (Employee Benefits, Exempt Organizations, and Employment Taxes), Associate Chief Counsel (Energy, Credits, and Excise Tax), Associate Chief Counsel (Financial Institutions and Products), Associate Chief Counsel (Income Tax and Accounting), Associate Chief Counsel (International), Associate Chief Counsel (Passthroughs, Trusts, and Estates), and Associate Chief Counsel (Procedure and Administration). This revenue procedure also contains procedures for determination letters issued by the Large Business and International Division, Small Business/Self Employed Division, Wage and Investment Division, and Tax Exempt and Government Entities Division. Rev. Proc. 2025-1, 2025-1 I.R.B. 1, is superseded.

Rev. Proc. 2026-2, page 119. 

This revenue procedure explains when and how an Associate office within the Office of Chief Counsel provides technical advice, conveyed in technical advice memoranda (TAMs). It also explains the rights that a taxpayer has when a field office requests a TAM regarding a tax matter. Rev. Proc. 2025-2, 2025-1 I.R.B. 118, is superseded.

Rev. Proc. 2026-3, page 143. 

This revenue procedure provides a revised list of areas under the jurisdiction of the Associate Chief Counsel (Corporate), the Associate Chief Counsel (Employee Benefits, Exempt Organizations, and Employment Taxes), the Associate Chief Counsel (Energy, Credits, and Excise Tax), the Associate Chief Counsel (Financial Institutions and Products), the Associate Chief Counsel (Income Tax and Accounting), the Associate Chief Counsel (Passthroughs, Trusts, and Estates), and the Associate Chief Counsel (Procedure and Administration) relating to issues on which the Internal Revenue Service will not issue letter rulings or determination letters. Rev. Proc. 2025-3, 2025-1 I.R.B. 142, is superseded.

EMPLOYEE PLANS 

Rev. Proc. 2026-4, page 160. 

This revenue procedure contains updates relating to the types of advice the Internal Revenue Service provides to taxpayers on issues under the jurisdiction of the Commissioner, Tax Exempt and Government Entities Division, Employee Plans Rulings and Agreements, and the procedures that apply to requests for determination letters and private letter rulings. Rev. Proc. 2025-4, 2025-1 I.R.B. 158, is superseded.

EXEMPT ORGANIZATIONS 

 Rev. Proc. 2026-5, page 258.

This revenue procedure sets forth procedures for issuing determination letters on issues under the jurisdiction of the Director, Exempt Organizations (EO) Rulings and Agreements. Specifically, it explains the procedures for issuing determination letters on tax-exempt status (in response to applications for recognition of exemption from Federal income tax under § 501 or § 521 other than those subject to Rev. Proc. 2026-4, this Bulletin (relating to pension, profit-sharing, stock bonus, annuity, and employee stock ownership plans), private foundation status, and other determinations related to tax-exempt organizations. These procedures also apply to revocation or modification of determination letters. This revenue procedure also provides guidance on the exhaustion of administrative remedies for purposes of declaratory judgment under § 7428. Finally, this revenue procedure provides guidance on applicable user fees for requesting determination letters. Rev. Proc. 2025-5, 2025-1 I.R.B. 260, is superseded.

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