What is Revenue Procedure 2025-28?
Revenue Procedure 2025-28 is IRS guidance issued in response to the One Big Beautiful Bill Act, granting automatic 6-month extensions to taxpayers who filed 2024 returns before September 15, 2025, without extensions. This provision enables taxpayers to file superseding returns solely to make One Big Beautiful Bill Act elections and accounting method changes, including retroactive AI-driven R&D tax credits for the 2022-2024 tax years. Returns must be marked with the procedure number at the top.
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