2024 Tax Forms Schedule 1. Form 1040 schedule 1, usually referred to as just schedule 1, is an irs tax form that allows taxpayers to do two things: Following the steps outlined in this guide and.

Schedule 1 is used to report additional income and adjustments to income that are not included on the main form 1040. Schedule 1 is a tax form used to help calculate your adjusted gross income (agi).