Go to Business tab-
Choose Explore on my own or I'll choose what to work on (if it comes up)
Business Income and Expenses - Click the Start or Update button
Then click EDIT by your business name and the next screen should be a list of topics,
Business Profile, Income, Inventory/Cost of Goods Sold, Expenses, Assets, and Final Details last.
Click Start or Update by Business Income
Then Either by 1099-Misc Income - click the Start or Update button
Or by General Income (cash/check/1099-K) for Business Income not reported on a 1099-Misc - Click the Start or Update button