Federal Requirements Closing your business can be a difficult and challenging task. The IRS has resources that can help you navigate this. On this page, you’ll find the steps you’ll need to take to close your business from a federal tax perspective regardless of your business type and information to help you take care of your employees. Whether a sole proprietorship, partnership or corporation, information on this page will help you understand what to file and how to report income you receive and expenses you incur before closure. Remember to check your state responsibilities when closing a business.