Download, fill and sign the Form of Affidavit. General affidavit form for use within the State of Minnesota.Modify this affidavit to meet your specific needs. The form will ask for basic information about your income and expenses. You'll also need proof of your income, such as pay stubs or tax returns. To recover MA claims under Minnesota Statutes, section 256B. 1. Complete the court forms, following all of the steps in these instructions. 2. Complete Form W-4MN so your employer can withhold the correct Minnesota income tax from your pay. Complete Form W-4MN so that your employer can withhold the correct Minnesota income tax from your pay. Consider completing a new Form.