1. Confirm your business extension and pay what you can
Confirm the extension is for the right entity and year; keep e-file or mailing proof. Update your tax estimate, and pay what you can by the original due date to limit interest and penalties.
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2. File your business return by the extended due date
Due dates differ: many 1065/1120-S filers are often ~Sept. 15; many 1120 and Schedule C (Form 1040) filers are often ~Oct. 15. File as soon as you can after K-1s, 1099s, and books are in.
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A solution for every type of business filer
However your business is structured, we’ve got your back every step of the way.
Partnerships
Start FilingFile Form 1065 as a business with two or more partners.
S-Corporations
Start FilingFile Form 1120-S to pass income through to shareholders.
Sole Proprietor
Start Filing
More business tax filing options
C-Corporations
Start Filing Start FilingFile Form 1120 as a corporation taxed separately from officers.
Estates & Trusts
Start Filing Start FilingFile Form 1041 to report income for an estate or trust.
Tax-Exempt Orgs
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File Form 990 to maintain tax-exempt status with the IRS.
More time to file, not unlimited time to pay.
Filing by the extended deadline helps you avoid the failure-to-file penalty. If you owe, interest and late-payment penalties may still apply from the original due date. Pay what you can and finish your return as soon as you're able.
What you need to know.
Extension deadlines vary.
Where you filed your extension doesn’t matter
Frequently Asked Questions
If your principal place of business is in a federally declared disaster area, the IRS may postpone certain federal tax filing and payment deadlines for affected businesses and sole proprietors. Covered forms, locations, and end dates are specific to each IRS announcement—see the IRS Tax Relief in Disaster Situations hub and IRS disaster assistance for businesses to confirm what applies to your address and tax year.
