A corporate officer and an electronic return originator (ERO) use Form 8879-I when the corporate officer wants to use a personal identification number (PIN) to electronically sign a corporation’s electronic income tax return and, if applicable, consent to electronic funds withdrawal. Current Revision Form 8879-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 8879-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