You will need a Minnesota Tax ID Number and an active withholding tax account. Minnesota Withholding Tax is state income tax you as an employer take out of your employees' wages.To complete an enterable form on a computer: Download the Word document to your computer. Open your saved file and select the View tab in the upper left corner. There is no separate form for reporting sole proprietorship income on the Minnesota tax return. Whichever form applies to your business (Form 102, Form 103 Short, or Form 103 Long) must always have a Form 104 attached when filing with the County Assessor. Caution: If you don't return Form W-9 to the requester with a TIN, you might be subject to backup withholding. See What is backup withholding, later. You can reduce what you owe in property taxes. Property tax exemptions, exclusions and lowered tax rates are based on how you use your property.