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Forms and Instructions Forms and Instructions
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Related Forms
Form 1120-F U.S. Income Tax Return of a Foreign CorporationTopic Screen for this Form
Instructions for Form 1120-F, U.S. Income Tax Return of a Foreign Corporation
Form 1120-F (Schedule M-3) Net Income (Loss) Reconciliation for Foreign Corporations With Reportable Assets of $10 Million or MoreTopic Screen for this Form
Instructions for Schedule M-3 (Form 1120-F), Net Income (Loss) Reconciliation for Foreign Corporations With Reportable Assets of $10 Million or More
Form 1120-FSC U.S. Income Tax Return of a Foreign Sales CorporationTopic Screen for this Form
Instructions for Form 1120-FSC, U.S. Income Tax Return of a Foreign Sales Corporation
Form 1122 Authorization and Consent of Subsidiary Corporation to be Included in a Consolidated Income Tax ReturnTopic Screen for this Form
Form 8453 U.S. Individual Income Tax Transmittal for an IRS e-file ReturnTopic 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-C U.S. Corporation Income Tax 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-S U.S. S Corporation Income Tax Declaration for an IRS e-file ReturnTopic 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 IRS e-file Signature AuthorizationTopic Screen for this Form
Form 8879 (SP) IRS e-file Signature Authorization (Spanish version)Topic 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-EMP IRS e-file Signature Authorization for Forms 940, 940 (PR), 941, 941 (PR), 941-SS, 943, 943 (PR), 944, and 945Topic Screen for this Form
Form 8879-EO IRS e-file Signature Authorization for an Exempt OrganizationTopic Screen for this Form
Form 8879-EX IRS e-file Signature Authorization for Forms 720, 2290, and 8849Topic Screen for this Form
Form 8879-F IRS e-file Signature Authorization for Form 1041Topic 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 4163 Modernized e-File (MeF) Information for Authorized IRS e-file Providers for Business ReturnsPDF version of this PublicationTopic Screen for this Publication