MO MO-1120 Information
Every corporation, as defined in Chapter 143, RSMo, is required to file a return of income in Missouri for each year it is required to file a federal income tax return and has gross income from sources within Missouri of $100 or more.
Link to official form info: Missouri MO-1120
Link to official form info for MO-1120
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- Upcoming Due Dates in the Next Year:*
- Monday Mar 16, 2026
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* Due dates are based on the filing requirements for this form and may vary depending on your tax year.
12 Missouri Tax Filings & Forms:
MO-1040 - Individual Income Tax Return-Long Form MO-NRI - Missouri Income Percentage MO-1040A - Individual Income Tax Return Single/Married (One Income) MO-1120 - Corporation Income Tax Return MO-1120S/MO-FT - Corporation Franchise Tax Schedule MO-1120S - S Corporation Income Tax MO-1065 - Partnership Return of Income MODES-4-7 - Contribution and Wage Report MO941-P - Employer's Return of Income Taxes Withheld MO W3 - Transmittal of Tax Statements 53-1 - Sales Tax ReturnAre we missing a Missouri tax form?
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