2025›Instructions for Form 1120-S
Future Developments
Instruction 1120-S — Instructions for Form 1120-S, U.S. Income Tax Return for an S Corporation · 2026-10-03 edition · updated 2026-10-04 · United States
For the latest information about developments related to Form 1120-S and its instructions, such as legislation enacted after they were published, go to IRS.gov/Form1120S .
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