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Forms and Instructions Forms and Instructions
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Related Forms
Form 1040-X Amended U.S. Individual Income Tax ReturnTopic Screen for this Form
Instructions for Form 1040-X, Amended U.S. Individual Income Tax Return
Form 1042-T Annual Summary and Transmittal of Forms 1042-STopic Screen for this Form
Form 4868 (SP) Application for Automatic Extension of Time to File U.S. Individual Income Tax Return (Spanish version)Topic Screen for this Form
Form 8453 (SP) U.S. Individual Income Tax Declaration for an IRS e-file Return (Spanish version)Topic Screen for this Form
Form 8453-B U.S. Electing Large Partnership Declaration for an IRS e-file ReturnTopic Screen for this Form
Form 8453-C U.S. Corporation Income Tax Declaration for an IRS e-file ReturnTopic Screen for this Form
Form 8453-EO Exempt Organization Declaration and Signature for Electronic FilingTopic Screen for this Form
Form 8453-F U.S. Estate or Trust Income Tax Declaration and Signature for Electronic FilingTopic Screen for this Form
Form 8453-FE U.S. Estate or Trust Declaration for an IRS e-file ReturnTopic Screen for this Form
Form 8453-I Foreign Corporation Income Tax Declaration for an IRS e-file ReturnTopic Screen for this Form
Form 8453-PE U.S. Partnership Declaration for an IRS e-file ReturnTopic Screen for this Form
Form 8453-S U.S. S Corporation Income Tax Declaration for an IRS e-file ReturnTopic Screen for this Form
Form 8453-X Political Organization Declaration for Electronic Filing of Notice of Section 527 StatusTopic Screen for this Form
Form 8878 IRS e-file Signature Authorization for Form 4868 or Form 2350Topic Screen for this Form
Form 8878 (SP) IRS e-file Signature Authorization for Application for Extension of Time to File Form 4868 (SP) or Form 2350 (SP) (Spanish version)Topic Screen for this Form
Form 8878-A IRS e-file Electronic Funds Withdrawal Authorization for Form 7004Topic Screen for this Form
Form 8879-B IRS e-file Signature Authorization for Form 1065-BTopic Screen for this Form
Form 8879-C IRS e-file Signature Authorization for Form 1120Topic Screen for this Form
Form 8879-F IRS e-file Signature Authorization for Form 1041Topic Screen for this Form
Form 8879-I IRS e-file Signature Authorization for Form 1120-FTopic Screen for this Form
Form 8879-PE IRS e-file Signature Authorization for Form 1065Topic Screen for this Form
Form 8879-S IRS e-file Signature Authorization for Form 1120STopic Screen for this Form
Principal Publications Publications
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Related Publications
Publication 1345 Handbook for Authorized IRS e-file Providers of Individual Income Tax ReturnsPDF version of this PublicationTopic Screen for this Publication
Publication 1437 Procedures for the 1041 e-file Program U.S. Income Tax Returns for Estates and TrustsPDF version of this PublicationTopic Screen for this Publication
Publication 1438 File Specifications, Validation Criteria & Record Layouts for the Form 1041, e-file U.S. Income Tax Return for Estates & TrustsPDF version of this PublicationTopic Screen for this Publication
Publication 4162 Modernized e-File Test Package for Forms 1120/1120-S/1120-F/7004PDF version of this PublicationTopic Screen for this Publication
Publication 4505 Modernized e-File Test Package for Forms 1065/1065-BPDF version of this PublicationTopic Screen for this Publication
Links Inside Publications
Publication 17 - Your Federal Income Tax (For Individuals) - Does My Return Have To Be on Paper?