All corporations are granted an automatic sevenmonth extension to file Form M4, Corporation Franchise Tax Return. A Minnesota personal extension will give you 6 more months to file your return, moving the deadline to October 15 (for calendar year filers).The state of Minnesota doesn't require any extension Form as it automatically grants extensions up to 6 months. When, in the commissioner's judgment, good cause exists, the commissioner may extend the time for filing entertainment tax returns for not more than six months. Filing an extension on time will ONLY eliminate the late filing penalties but not the late tax payment penalties. This gives you until October 15 to file without penalties. The IRS and Minnesota Department of Revenue have announced extensions to certain tax return filing and tax payment deadlines due to the COVID-19 pandemic. Minnesotans automatically have until Oct. 15 to file state taxes before charging late fees. The Extension Deadline is November 15, 2023 to file your Minnesota income tax return.