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Corporation and S Corporation
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Publication 4162 Modernized e-File Test Package for Forms 1120/1120-S/1120-F/7004PDF version of this PublicationTopic Screen for this Publication
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Publication 509 - Tax Calendars - Tax Calendars
Corporations and S Corporations. Form 1120 and Form 1120S (or Form 7004). These forms are due on the 15th...
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