Your self-employment income was
only from cash or personal checks or credit card payments.
Type “Schedule C” in the Search box and then select
the “Jump to” link. This will take you to where you can enter any cash,
personal checks or credit card payments (Form 1099-K) related to your
self-employment. You may first be asked some general questions about your
business. After you answer them, you’ll be taken to the Let's
get income for (your line of work) screen where you can enter
this income as Additional Income.