Yes all income needs to be reported
If you are not reporting this as Self-employment, enter it as Other Income
Sign into your account and your return
Type other reportable income into the Search Box and click the “Jump to other reportable income” link
-OR-
Click Federal on the left side-bar
Click Wages & Income along the top
Scroll down to the last section Less Common Income and click Show more to open drop-down
Scroll down to last section Miscellaneous Income and click Start
Scroll down to the last section Other reportable income and click Start
Enter the description as “To file for recovery rebate credit” and the amount as a 1
By the way, the $600 min is for a 1099NEC for self employment. You have to report all your self employment or 1099NEC no matter how small and if under the 1040 requirement. If you were an employee you would get a W2 for any amount, even a small amount like $2. Did they take any deductions out of your pay?
If they didn't report it on a W2 then you were self employed for it and you have to report it and pay self employment tax on it. The SE tax is to pay the SS & Medicare that wasn't taken out like on a W2.