Where do I make a Payment for Iowa Automatic Extension of Time to File?

Iowa allows an automatic extension to October 31 without an application if at least 90% of tax liability is paid by May 2. Extension payments can also be made by direct debit of a bank account or by credit or debit card or use Form IA 1040V, Iowa Individual Income Tax Payment Voucher, to make a tax payment.

See here for more information about paying by credit or debit card.

Additional Information:

Iowa State Tax Information

Do I need to file an Iowa Extension of Time to File?

Iowa Estimated Payments