Taxpayers must pay at least 90% of the current year tax liability by April 15 to avoid an extension underpayment penalty. To receive an automatic extension to October 15, file Form 204, Application for Filing Extension. Arizona will also accept the federal extension for the period covered by the federal extension. When filing the Arizona return, check box 82F, top of page 1, Form 140, to indicate an extension was filed
Desktop – To access the Arizona Form 204, from the main menu of the Arizona state return select:
- Other AZ Forms
- Form 204
Additional Information: