Due to heavy submissions volume and tax season opening two weeks later than usual, ADOR technical staff are actively working towards accepting and processing individual income tax returns as soon as possible. We will inform you when your return has been accepted for processing. Thank you for your patience and we apologize for any inconvenience.
Customer Notice: Due to COVID-19, ADOR's in-person lobby services are by appointment only and in compliance with local municipal and county face covering policies.
View a list of Approved Software Vendors who have had their paper tax forms for the 2020 tax year approved by the department. This listing consists of only the core tax forms that are modified each year and is not a complete list of forms created by the department.
For information on what is required for a Power of Attorney, please refer to General Tax Procedure GTP 18-1.
Approved E-file Vendors (Individual and Fiduciary Income Tax)
Approved E-file Vendors (Corporate and Partnership Income Tax)