Arizona | Personal Tax Extension | Form 204 Application for Filing Extension

Modified on Tue, 14 Jan at 3:58 PM

State Abbreviation	AZ
State Name	Arizona
Extension Status	Approved with Federal Extension
Return Due Date	April 15, 2025
Extended Due Date	October 15, 2025
Other Information	Arizona grants an automatic 6-month extension provided you have been approved for a federal extension by the IRS. When you file your Arizona return, make sure to check box 82F, top of page 1 on Form 140, to indicate an extension was filed. Taxpayers must pay at least 90% of the current year's tax liability by April 15th to avoid an extension underpayment penalty.
Online Payment	Arizona \| Online Tax Extension Payment
Payment Voucher Title	Form 204 \| Application for Filing Extension Form
State Payment Agency	Arizona Department of Revenue
Mailing Address with Payment	Arizona Department of Revenue P.O. Box 29085 Phoenix, AZ 85038-9085
Online Payment Options \| Credit Card	Visa, MasterCard, Discover, or American Express are accepted. Go to www.aztaxes.gov. Click on Make a Payment. Keep the confirmation number as proof of payment. The credit card vendor will charge a fee.
Online Payment Options \| ACH Debit	For electronic payments, go to www.aztaxes.gov.
Failure to File Penalties	4.5% of unpaid tax per month, up to 25%.
Failure to Pay Penalties	0.5% of unpaid tax per month, up to 10%.