About Form 8879-S, IRS e-file Signature Authorization for Form 1120S

A corporate officer and an electronic return originator (ERO) use this form when the corporate officer wants to:

  • use a personal identification number (PIN) to electronically sign an S corporation’s electronic income tax return and, if applicable, 
  • consent to electronic funds withdrawal.

Current Revision


Recent Developments

None at this time.


Other Items You May Find Useful

All Form 8879-S Revisions

Publication 4163, Modernized e-File (MeF) Information for Authorized IRS e-file Providers for Business Returns

Other Current Products