Include all necessary supporting documentation and a copy of your federal return.
Place documents in the following order:
- Check or Money Order
- IA 1040V Payment Voucher
- W-2s and 1099s
- IA 1040
- Iowa schedules, forms, and supporting documentation
- Copy of complete federal return
- Copy of any other applicable state tax returns
Do not staple the IA 1040 or any supporting documentation
Include all required schedules, even if the schedule results in zero dollars.