Form 8879 vs 1040: Key Differences and Their Purposes

file 8879 Form 8879, titled "IRS e-file Signature Authorization," is a document used by taxpayers in the United States to authorize the electronic filing (e-filing) of their federal tax returns..

file 8843 online  Form 8879 is the declaration document and signature authorization for any e-filed return that is filed by an electronic return originator (ERO), or in other words, your tax preparer.

file 8868  How does the e-signature option work? Taxpayers, who currently use Forms 8878 or 8879 to sign electronic Forms 1040 federal tax returns or filing extensions, can use an e-signature to sign and electronically submit these forms to their Electronic Return Originator (ERO). Can all taxpayers use the e-signature option? No. The e-signature option is only available to taxpayers e-filing their tax ...