E-File for Corporate

Corporations are able to electronically file their income taxes to the Arizona Department of Revenue (ADOR) by using third-party / software vendor similar to individual income tax returns. 

Corporations that plan to use a tax professional to prepare electronic income tax returns should check with them early and ensure they are IRS Authorized e-file Providers.

Corporations that plan to prepare their own income tax returns should electronic file use an Approved Vendors; check back as vendors get verified and approved to e-file returns. 


Mandatory E-file and E-pay Requirements

For businesses, filing electronically is a requirement under certain circumstances: 

  • Corporate Estimated Tax - Any corporation with $500 prior tax year liability.
  • Mandatory e-file for fiduciary, partnership, and corporate for tax year 2020 returns and beyond.


The corporate income e-filing process includes the following steps:

  • Tax preparer/taxpayer enters data into a software program and prepares the federal and Arizona returns.
  • Tax preparer/taxpayer reviews and verifies information on the returns.
  • Tax preparer/taxpayer transmits the returns.
  • Tax preparer/taxpayer receives acknowledgements and notices.
  • Tax preparer/taxpayer may print a copy of the tax return.

Once transmitted, the IRS will acknowledge receiving a return within 24 hours. ADOR sends an acknowledgment within 48 hours.


Benefits of Electronic Filing

  • Convenience. You can electronically file anytime.
  • Security. Information is encrypted and securely transmitted to the IRS and ADOR.
  • Accuracy. Fewer errors than paper returns.
  • Proof of Filing. Acknowledgment of receipt from both the IRS and ADOR.



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