Form 926 Return by a U.S. Transferor of Property to a Foreign Corporation

Form 1120 U.S. Corporation Income Tax Return
Instructions for Form 1120, U.S. Corporation Income Tax Return

Form 1120-F U.S. Income Tax Return of a Foreign Corporation
Instructions for Form 1120-F, U.S. Income Tax Return of a Foreign Corporation

Form 1120-FSC U.S. Income Tax Return of a Foreign Sales Corporation
Instructions for Form 1120-FSC, U.S. Income Tax Return of a Foreign Sales Corporation

Form 1120-S U.S. Income Tax Return for an S Corporation
Instructions for Form 1120-S, U.S. Income Tax Return for an S Corporation

Form 1120-S (Schedule K-1) Shareholder's Share of Income, Deductions, Credits, etc.
Instructions for Schedule K-1 (Form 1120-S), Shareholder's Share of Income, Deductions, Credits, etc.

Form 1120-X Amended U.S. Corporation Income Tax Return

Form 2553 Election by a Small Business Corporation
Instructions for Form 2553, Election by a Small Business Corporation

Form 5472 Information Return of a 25% Foreign-Owned U.S. Corporation or a Foreign Corporation Engaged in a U.S. Trade or Business
Instructions for Form 5472, Information Return of a 25% Foreign-Owned U.S. Corporation or a Foreign Corporation Engaged in a U.S. Trade or Business

Form 8453-C U.S. Corporation Income Tax Declaration for an IRS e-file Return

Form 8825 Rental Real Estate Income and Expenses of a Partnership or an S Corporation

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

Form 8916-A Supplemental Attachment to Schedule M-3