Minnesota: corporate income tax, a franchise (privilege) tax and an annual report due by December 31.
Each fact below cites the agency page we read and the day we read it. Where a rule is still being confirmed, the page says so instead of showing a zero.
Verified facts
Corporate income tax
Yes
flat 9.8% of Minnesota taxable income (imposed as the Corporation Franchise Tax)
Franchise or privilege
Yes
Minnesota's corporate income tax is itself named the Corporation Franchise Tax and is administered by the Department of Revenue; it is not a separate capital-based privilege tax.
Entity annual report
Yes
annual · December 31 each year; the renewal may be filed at any time during the calendar year it is due
Return due date
Published rule
Same due date as the federal corporate return; for calendar-year C corporations this is the 15th day of the 4th month (April 15)
Extension
7 months
No form is required to receive the filing extension. If the IRS grants a federal extension longer than seven months, the Minnesota filing date is extended to the federal due date.
Zero activity / minimum tax
A business with a filing requirement is subject to the minimum fee only if its Minnesota property, payroll, and sales or receipts exceed the minimum threshold; a business protected under P.L. 86-272…
2026 minimum fee brackets: $0 below $1,280,000; $260 from $1,280,000 to $2,559,999; $770 to $12,829,999; $2,560 to $25,639,999; $5,140 to $51,279,999; $12,830 at $51,280,000 or more.
Long-form guide in professional review
Dates, extensions and payments
Filing and payment dates stay separate wherever the source supports it.
- Filing
Return filing
Same due date as the federal corporate return; for calendar-year C corporations this is the 15th day of the 4th month (April 15)
Same as the federal corporate return due date for the fiscal year (15th day of the 4th month after fiscal year end)
- Payment
Tax payment
Separate dateAny tax owed must be paid by the regular due date to avoid penalties and interest.
The payment date is separate from the filing date
- Extension
Extension
Does not extend paymentNo form is required to receive the filing extension. If the IRS grants a federal extension longer than seven months, the Minnesota filing date is extended to the federal due date.
Automatic · 7 months
- Entity report
Entity report
annualDecember 31 each year; the renewal may be filed at any time during the calendar year it is due
Annual renewals are free for most entity types; missing the renewal can lead to administrative dissolution and a paid reinstatement.
Email me the Minnesota guide
We send you this page with its sources, and we tell you if a date changes.
Frequently asked questions
Does Minnesota impose a corporate income tax?
Yes. flat 9.8% of Minnesota taxable income (imposed as the Corporation Franchise Tax) Form: Form M4, Corporation Franchise Tax Return.
Does Minnesota charge a franchise or privilege tax?
Yes. Check the fact chip and the linked official source before budgeting for it.
When is the Minnesota corporate return due?
Same due date as the federal corporate return; for calendar-year C corporations this is the 15th day of the 4th month (April 15)
Does an extension also postpone the tax payment?
No. The extension moves the filing date, not the payment date; unpaid tax can accrue penalty and interest.
Related states
Chosen because their corporate filing profile matches this one.
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