Step 1: Create an online account with us and login. Here you can find more information about creating an online account.You must file your Sales and Use Tax return online through our eServices system. Note: If you have multiple locations and file a consolidated return, Before you make any taxable sales in Minnesota, you must register for a Minnesota Tax ID Number and a Sales and Use Tax account. Starting a business in Minnesota consists of three basic steps: 1. Write a business plan. 2. Us and click on the. Purchase Agreement: A legally binding document detailing every aspect of the sale. Register for specific tax types.