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This version of the form is not currently in use and is provided for reference only. Download this version of
Instructions for Form MO-1120
for the current year.
Instructions for Form MO-1120 Corporation Income Tax Return - Missouri
This document contains official instructions for Form MO-1120 , Corporation Income Tax Return - a form released and collected by the Missouri Department of Revenue. An up-to-date fillable Form MO-1120 is available for download through this link.
FAQ
Q: What is Form MO-1120?
A: Form MO-1120 is the Corporation Income Tax Return used in Missouri.
Q: Who needs to file Form MO-1120?
A: All corporations doing business in Missouri or earning income from Missouri sources are required to file Form MO-1120.
Q: When is Form MO-1120 due?
A: Form MO-1120 is due on the 15th day of the fourth month following the close of the tax year.
Q: What are the penalties for late filing of Form MO-1120?
A: The penalty for late filing of Form MO-1120 is 5% per month of the tax due, up to a maximum of 25%.
Instruction Details:
- This 12-page document is available for download in PDF;
- Actual and applicable for this year;
- Complete, printable, and free.
Download your copy of the instructions by clicking the link below or browse hundreds of other forms in our library of forms released by the Missouri Department of Revenue.
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