If you amend your IA income tax return on an IA 1040, an IA 102 Iowa Amended Return Schedule must be included. An IA 102 is not required if you file an IA 1040X.
Amended returns may be submitted electronically when an IA 1040 is submitted with an IA 102. Amended returns using an IA 1040X form may not be submitted electronically. Check with your software vendor regarding whether filing an amended return electronically is supported.
Amended returns should not be submitted on the same day as the original return. To correct errors or misstatements on your original filing, you may either submit a new IA 1040 with IA 102, or an IA 1040X. Include an explanation of the changes. If you file an amended federal return, include the federal 1040X with your submission.
If you owe additional tax:
Calculate the tax, and any penalty and interest due. You may make your payment online for the current year through eFile & Pay (direct debit) or pay with a credit card. To pay by check or money order, print an IA 1040XV payment voucher to send in with your check. order, print an IA 1040XV payment voucher to send in with your check. Visit EasyPay Iowa for more information about your payment options.