The Arizona Together initiative established by Governor Ducey connects individuals and businesses to resources, information, and volunteer opportunities to support Arizonans during the COVID-19 outbreak. Learn more, visit ArizonaTogether.org.
Software Developers are required to complete a Letter of Intent to receive access to electronic filing technical and testing specifications for individual income tax, fiduciary income tax, corporate income tax and partnership returns.
For tax year 2019, please download the Letter of Intent and the Forms Supported spreadsheet. The Forms Supported spreadsheet has two tabs:
The Forms tab - core forms separated by tax type (Individual, Fiduciary, Corporate and Partnership); and