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About Form 8879-CORP, E-File Authorization for
Dec 3, 2024 Form 8879-CORP is used for electronic signature authorizations for Form 1120, US Corporation Income Tax Return; Form 1120-F, US Income Tax Return of a Foreign
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IRS e-file Signature Authorization for an Exempt
(Whole Dollars Only). Check the box for the return for which you are using this Form 8879-EO and enter the applicable amount, if any, from the return.
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Publication 3823 (Rev. 9-2014)
All 94x returns must be signed electronically. There are two Authorized Signer options available to Employment Tax e-file System participants, as follows
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