Affiliate income is considered self employment income. A 1099-NEC is for non-employee compensation. You will need to file a Schedule C and pay SE taxes. You may also enter any expenses related to your work to reduce your income.
The Gig Economy Tax Center on the IRS website is a great resource.
To file a Schedule C, here are the steps:
- Sign in to your account and select Pick up where you left off
- At the right upper corner, in the search box, type in schedule C and Enter
- Select Jump to schedule C
- Follow prompts.