Column B. Enter the net increase or decrease for each line
that you are changing.
Explain each change in Part III. If you need more space,
attach a statement. Attach any schedule or form relating to the
change. For example, attach Schedule A (Form 1040) if you are
amending a 2018 Form 1040 to itemize deductions. If you are
amending your return because you received another Form W-2,
attach a copy of the new Form W-2. Don’t attach items unless
required to do so.
our firm policy was 1040-x, 1040 after changes, and only other forms or schedules that changed