S corporations
Category
General Tax
Date
September 15, 2021
File a 2020 calendar year income tax return (Form 1120-S) and pay any tax, interest and penalties due. This due date applies only if you timely requested an automatic 6-month extension of time to file the return. Otherwise, see March 15. Provide each shareholder with a copy of their final or amended Schedule K-1 or substitute Schedule K-1.
List of Dates (Page event details)
- September 15, 2021
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