Irs 2025 Schedule 1. The second copy will be stamped and returned to you for use as proof of payment. Schedule 1 is a form that must be attached.

For details, see the following instructions and the schedule 1 instructions, especially the instructions for lines 1 through 7 and schedule 1, lines 1 through 8z. Here is the rmd table for 2024, which is based on the irs’ uniform lifetime table, which is the most.