Create or edit a Business Income (Schedule C) record that the income from the 1099-MISC belongs to. You will go to the Basic Business Information screen and enter the info on that screen. When you click the Save and Continue button on that screen you will go to the Link 1099-MISC Form(s) screen. At the top of the screen will be listed all Form 1099-MISC you have entered that have not yet been assigned to a business. Check any 1099-MISC that is related to that business, and then the 1099-MISC will be tied to that Schedule C business.