A foreign corporation files this form: to authenticate their electronic 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 they are not using an ERO, and provide their consent to directly deposit any refund and/or authorize an electronic funds withdrawal for payment of federal taxes owed. Current Revision Form 8453-I PDF Recent Developments IRS approves temporary use of e-signatures for certain forms -- 28-AUG-2020 Other Items You May Find Useful All Form 8453-I Revisions Publication 3112, IRS e-file Application and Participation PDF Publication 4163, Modernized e-File (MeF) Information for Authorized IRS e-file Providers for Business Returns PDF Other Current Products Related About Form 1120-F, U.S. Income Tax Return of a Foreign Corporation About Form 8879-I, IRS e-file Signature Authorization for Form 1120-F About Form W-12, IRS Paid Preparer Tax Identification Number (PTIN) Application and Renewal