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