Before doing so, complete federal Form 1120-S and supporting schedules. If you don't have a Minnesota tax.Minnesota corporations must file an annual corporate registration with the Secretary of State which will provide corporations with a reminder-to-file notice. Form an S Corp in Minnesota in 7 steps to avoid double taxation on corporate income. For Minnesota purposes, the S corporation also pays a minimum fee, based on its Minnesota-sourced property, payroll and sales. The following Minnesota Business Corporations forms are available in pdf. Use the following form to register a Minnesota Business Corporation. Use this form to file your annual Benefit Report in order to maintain your public benefit status. Electronically filed returns. The electronic filing threshold for corporate returns required to be filed on or after January 1, 2024,.