Use this form to:
- Authenticate an electronic Form 1120, U.S. Corporation Income Tax Return,
- Authorize the electronic return originator (ERO), if any, to transmit via a third-party transmitter,
- Authorize the intermediate service provider (ISP) to transmit via a third-party transmitter if you are filing online (not using an ERO), and
- Provide the corporation's consent to directly deposit any refund and/or authorize an electronic funds withdrawal for payment of federal taxes owed.
Current Revision
Recent Developments
None at this time.
Other Items You May Find Useful
Publication 3112, IRS e-file Application and Participation
Publication 4163, Modernized e-File (MeF) Information for Authorized IRS e-file Providers for Business Returns