Use this form if you and the electronic return originator (ERO) want to use a personal identification number (PIN) to electronically sign an electronic excise tax return or request for refund. Current Revision Form 8879-EX 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-EX 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 Items About Form 720, Quarterly Federal Excise Tax Return About Form 2290, Heavy Highway Vehicle Use Tax Return About Form 8849, Claim for Refund of Excise Taxes
