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-PE PDF Recent developments None at this time. Other items you may find useful All Form 8453-PE 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