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.Apply for health care assistance, review health care options and learn about getting transportation to medical appointments. Complete the income withholding documents. Use this tool to estimate the federal income tax you want your employer to withhold from your paycheck. This is tax withholding. Request to withhold taxes. Submit a request to pay taxes on your Social Security benefit throughout the year instead of paying a large bill at tax time. To file a case in the Tax Court, complete, serve, and file MN Tax Court Form 1 according to the instructions on the form.