DO your own business taxes by clicking on the link at and locating the fillable forms at the Internal Revenue Service website. Get state and local forms on the State and Local Taxes page. You may comple such forms as 940, 941, 1023, 990, 1041, 1065, 1120, 1120S, BUSINESS TAXES IN GENERAL
Learn about the types of federal business taxes.
General Information
Small Businesses
Business Tax Credits
A list of forms for claiming business tax credits, and a complete explanation about when carryovers, credits and deductions cease.
General Information
Small Businesses
Small Business Forms and Publications
Download multiple small business and self-employed forms and publications.
General Information
Small Businesses
Unrelated business income tax returns
Rules relating to filing Form 990-T
General Information
Charities and Nonprofits
Forms and Instructions - Filing and Paying Business Taxes
Forms and Instructions - Filing and Paying Business Taxes
General Information
Small Businesses
Unrelated Business Income Tax
Unrelated business income tax requirements for tax-exempt organizations.
General Information
Charities and Nonprofits
Form 990-W, Estimated Tax on Unrelated Business Taxable Income for Tax-Exempt Organizations
Form 990-W, Estimated Tax on Unrelated Business Taxable Income for Tax-Exempt Organizations
Forms and Instructions
Businesses with Employees
Guidance on tax-related responsibilities for an employer.
General Information
Small Businesses
Business Structures
When beginning a business, you must decide what structure to use. Legal and tax considerations enter into this decision.
General Information
Small Businesses
Please click on the links for the relevant items and follow directions. If you do not see what you need here, then please go directly to the www.irs.gov site and enter the name of your item in the search box.
Form 1120-S, U.S. Income Tax Return for an S Corporation
Form 1120-S is used by corporations that elect to be S corporations to report income, deductions, gains, losses, etc.
Forms and Instructions
Instructions for Form 1120-S.
Instructions for Form 1120-S, U.S. Income Tax Return for an S Corporation
Forms and Instructions
Instructions for Schedule D (Form 1120-S).
Instructions for Schedule D (Form 1120S), Capital Gains and Losses and Built-In Gains
Forms and Instructions
Instructions for Schedule K-1 (Form 1120-S).
Instructions for Schedule K-1 (Form 1120-S), Shareholder's Share of Income, Deductions, Credits, etc.
Forms and Instructions
Instructions for Schedule M-3 (Form 1120-S).
Instructions for Schedule M-3 (Form 1120-S), Net Income (Loss) Reconciliation for S Corporations With Total Assets of $10 Million or More
Forms and Instructions
PARTNERSHIP RETURNS Form 1065, U.S. Return of Partnership Income
Form 1065 is used to report the income of every domestic partnership (syndicates, groups, pools, joint ventures, etc. and every foreign partnership doing business in the U.S. or receiving income from U.S. sources).
Forms and Instructions
Schedule K-1 (Form 1065), Partner's Share of Income, Deductions, Credits, etc.
Schedule K-1 (Form 1065) is used for reporting the distributive share of a partnership income, credits, etc. filed with Form 1065.
Forms and Instructions
Instructions for Form 1065.
Instructions for Form 1065, U.S. Return of Partnership Income
Forms and Instructions
Instructions for Form 1065-X.
Instructions for Form 1065X, Amended Return or Administrative Adjustment Request (AAR)
Forms and Instructions
Instructions for Schedule D (Form 1065).
Instructions for Schedule D (Form 1065), Capital Gains and Losses
Forms and Instructions
Instructions for Schedule C (Form 1065).
Instructions for Schedule C (Form 1065), Additional Information for Schedule M-3 Filers
Forms and Instructions
Instructions for Form 1065 Schedule M-3.
Instructions for Form 1065 Schedule M-3, Net Income (Loss) Reconciliation for Certain Partnerships
Forms and Instructions
XML General 1065-1065B Technical Information
Posting 1065-1065B Test Scenario Publication for Modernized e-File.
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