According to the "On Demand Tax Guidance" through the Form 1099-MISC input screen, (See screenshot below) you may have to report that sales income in the "Business Income and Expenses" section - i.e. a Schedule C.

The x in box 9 is related to the dollar amount reported in box 7.

Go to the link below and look at page 8 "Box 9. Payer Made Direct Sales of $5000 or more".

https://www.irs.gov/pub/irs-pdf/i1099msc.pdf