Call (612) 887-7779 to schedule your self-employment tax return appointment if you had more than $10,000 in self-employment income, used your home or inventory for business purposes. This will ensure that we have volunteer preparers trained in self-employment income to provide you with the best service. Please note that we cannot assist anyone with employees or any partnership, corporation, nonprofit organization, estate, or trust, or anything other than a sole proprietorship Schedule C return. If you have any questions, call (612) 887-7779.