1041x

The is the Amended U.S. Income Tax Return for Estates and Trusts . While the base Form 1041 is used by fiduciaries to report the annual income and tax liabilities of a domestic decedent's estate or trust, the "X" version is specifically for correcting previously filed returns. Purpose and Function

: If a federal tax change increases the tax due to a state (like Illinois), fiduciaries must often file a state-specific version (e.g., IL-1041-X) within a set timeframe, typically 120 days after the IRS finalizes the change. The is the Amended U

: For instance, if updated worksheets result in a higher state or local tax deduction than previously claimed. IL-1041-X) within a set timeframe

Instructions for Form 1041 and Schedules A, B, G, J, and K-1 (2025) and K-1 (2025)