Form 8879 vs 1040: Key Differences and Their Purposes

file 8879 Information about Form 8879, IRS e-file Signature Authorization, including recent updates, related forms, and instructions on how to file. Form 8879 is the declaration document and signature authorization for an e-filed return filed by an electronic return originator (ERO)..

file 8822  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 8868 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.