Minnesota State Tax Guide
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Minnesota State Tax Guide
Extension rules
Extension type: Automatic State Extension · MN-EXT
You automatically have until October 15 to file before we charge a late filing penalty. Do not request an extension to file. To avoid other penalties and interest, you must pay any tax owed by the due date and file your return by October 15
If you owe tax: If you owe money and need to submit an extension payment via methods listed. Make an electronic payment for free using Minnesota e-Services. If you are mailing a paper payment, download and print a payment voucher (often called Form MN-EXT, M1ES or PV80, depending on your return type) and mail it with your check to the department.
If you owe $0: Minnesota grants an automatic 6-month extension to file your personal income tax return, moving the deadline to October 15. You do not need to file a formal extension form unless you are making a tax payment or require more time than the automatic extension provides.
You must pay at least 90% of your total Minnesota tax liability by the original April 15 deadline
Minnesota DOR — Filing extensions
Relevant Links
Minnesota Key deadlines (tax year 2025, return filed in 2026)
- Filing deadline: Apr 15, 2026
- Extension request deadline: Apr 15, 2026 — Automatic unless you owe a tax liability then the deadline to file is April 15, 2026
- Extended return deadline: Oct 15, 2026 (6-month extension)
- Payment deadline: Apr 15, 2026
- Differs from federal: No
You must pay at least 90% of your total Minnesota tax liability by the original April 15 deadline
If the due date for filing your return falls on a Saturday, Sunday, or legal holiday, your return is due by the next regular working day.
October 15, 2026 (6-month extension)
Payment rules
You must pay at least 90% of your total Minnesota tax liability by the original April 15 deadline
Payment options
Payment plan availability
Available: Yes
Filing forms
Extension
- MN-EXT
Minnesota Refund Tracking
Do I need to file?
Minnesota grants an automatic 6-month extension to file your personal income tax return, moving the deadline to October 15. You do not need to file a formal extension form unless you are making a tax payment or require more time than the automatic extension provides. If you owe money and need to submit an extension payment via methods listed.
Filing methods
Online filing
Make an electronic payment for free using Minnesota e-Services.
Mail filing
If you are mailing a paper payment, download and print a payment voucher (often called Form MN-EXT, M1ES or PV80, depending on your return type) and mail it with your check to the department.
