US Income Tax Return for an S Corporation

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Forms and Instructions

Form 1040
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About Form 1120-S, U.S. Income Tax Return for an S Corporation

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Use this form to report the income, gains, losses, deductions, credits, etc., of a domestic corporation or other entity for any tax year covered by an election to be an S corporation.


Current Products

Form 1120S

Instructions for Form 1120S ( HTML )


Recent Developments

2017 Fiscal Tax Year Filers Must Use Blended Corporate Tax Rates  

Tax Reform Guidance for 1120 filers — 09-APR-2018

2017 Tax Benefits Provided by the Bipartisan Budget Act of 2018 — 14-MAR-2018

Reporting Related to IRC Section 965 on 2017 Returns — 08-MAR-2018


Other Items You May Find Useful

All Form 1120S Revisions

S Corporations

About Publication 15 (Circular E) , Employer’s Tax Guide

About Publication 51 (Circular A) , Agricultural Employer’s Tax Guide

About Publication 535 , Business Expenses

Additional Publications You May Find Useful

Other Current Products


Comment on Form 1120S

Use the Comment on Tax Forms and Publications web form to provide feedback on the content of this product. Although we cannot respond individually to each comment, we do appreciate your feedback and will consider all comments submitted.

CAUTION: We cannot respond to tax-related questions submitted using this page. Instead, please see our Tax Law Questions page.

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