Schedule 1 is used when you have additional income, such as capital gains, unemployment compensation, prize or award money, gambling winnings.
And/or, if you have any deductions to claim, such as student loan interest deduction, self-employment tax, educator expenses.
Please see Schedule 1, Additional Income and Adjustments to Income to see all the information that might be included there.
**Say "Thanks" by clicking the thumb icon in a post
**Mark the post that answers your question by clicking on "Mark as Best Answer"