2025 Schedule 1040 Schedule 1. Schedules 1, 2, and 3 are supplemental documents that are part of a taxpayer’s income tax filing package, even if they aren’t filled out. Irs schedule 1 lists additional income sources such as taxable state refunds, business.

A spousal payment transcript (spt) is a daily report that’s received by. Irs schedule 1 lists additional income sources such as taxable state refunds, business.