Go to AZTaxes.gov. Log in using your username and password. Click "License Renewal" in the 'Action' section of your Business List or select "License Renewal" on the left-hand navigation bar. (You will need the pertinent information for renewal, any changes, payment information, and your e-signature PIN.) For further assistance on completing a license renewal through AZTaxes.gov, view our video tutorial at azdor.gov.