All partnerships are granted an automatic six-month extension to file
Form M3, Partnership Return. However, there is no extension to pay.
You are not required to submit a form to receive this extension. Also, if the IRS grants an extension of time to file your federal return that is longer than Minnesota’s six-month extension, your state filing due date is extended to the federal due date.
You can make an extension payment electronically by one of the following methods:
If you’re not required to pay electronically, you may pay by check but must include Form PV83, Partnership Extension Payment Voucher.