Use this form to: Authenticate an electronic Form 1065, U.S. Return of Partnership Income; Authorize the ERO, if any, to transmit via a third-party transmitter; and Authorize the intermediate service provider to transmit via a third-party transmitter if you are filing online. Current Revision Form 8453-PEPDF Recent Developments IRS approves temporary use of e-signatures for certain forms -- 28-AUG-2020 Other Items You May Find Useful All Form 8453-PE Revisions Publication 3112, IRS e-file Application and ParticipationPDF Publication 4163, Modernized e-file (MeF) Information for Authorized IRS e-file Providers for Business ReturnsPDF Other Current Products