Arizona Department of Revenue Online Tax System is the Arizona Department of Revenue's on-line site for filing businesses taxes and payments of the Transaction Privilege Tax (TPT), Use Taxes, Withholding Taxes in the state of Arizona. Once registered with, you can file your business tax returns, make payments on existing liabilities, as well as make pre-payments, for TPT and Withholding taxes.

1600 West Monroe Street, Phoenix, AZ, 85007
(602) 255-2060