File Corporate (C-Corp) Tax Form 1120 Extension Online
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C-Corporation Tax Extension Filing Requirements
- File form 7004 online with the IRS to obtain an extension for the C-Corporation Tax Return 1120.
- Once Form 7004 is accepted by the IRS, the C-Corporation is granted up to 6 additional months to file their 1120 tax return.
- The IRS Recommends to E-File Form 7004 for more efficient processing and updates on the IRS status and approval.
The Deadline to file a C-Corp Tax Extension is
April 15, 2025
E-file your C-Corp Tax Extension with ExpressExtension!
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- Supports IRS and State extensions
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Table of Contents
C-Corporation Tax Filing Requirements
A C-corporation is recognized as a separate taxpaying entity for federal tax purposes.
C-Corporations are generally subject to double taxation, which means they are required to pay corporate taxes on profits, and their shareholders are required to pay individual taxes on their dividends.
Every year, C-Corporations are required to file Form 1120 with the IRS to report their income, gains, losses, deductions, and credits.
Thus, if you are unable to file form 1120 you can E-File 7004 and get an extension for up to 6 months.
When is the Deadline to file Corporate Tax Form 1120
Generally, the due date to file Form 1120 is on or before the 15th day of the 4th month following the end of the C-Corporation’s tax year.
For C-Corporations that follow a Calendar tax year, the deadline for filing Form 1120 is on
April 15, 2025..
Is your organization operating outside of the calendar tax year? Find your deadline here.
Tax Extensions for (C-Corp) Corporate Tax Form 1120
-
C-Corporations that need additional time to prepare their tax returns can
E-file Form 7004 for an automatic extension from the IRS. - Filing Form 7004 provides C-Corporations an additional 6 months to file their 1120 tax return.
- C-Corporations with a tax year ending on June 30 can request a 7-month extension (Unless they request an extension for Form 1120-POL).
- The due date to file Form 7004 is the same as the corporation’s original 1120 filing deadline.
Note: Form 7004 only extends the deadline for filing the C-Corp tax returns, any pending tax balance must be paid by the original deadline.
File your C-Corp Tax Extension with ExpressExtension Today!
Businesses of all types, including C-Corporations, can e-file Form 7004 with ease using ExpressExtension, an IRS-authorized e-file provider.
State Tax Extensions for C-Corporations
Some C-corporations may need to file an additional tax extension with their state.
ExpressExtension supports the completion of tax extensions with
certain states.
Simplifies the Process of Filing a Corporate
Tax Extension
ExpressExtension simplifies the filing of your Corporate Tax Extension with the following helpful features,
- Supports Federal and State tax extensions
- ExpressGuarantee - Get your 7004 extensions approved or your money back*
- Option to pay the IRS balance due
- Conveniently file from any device
- Instant Notifications about the filing status
- Re-transmission of rejected returns
- Bulk upload templates and volume-based pricing for bulk filers
ExpressExtension offers all of these excellent Form 7004 filing features for just $19.95. File your tax extension today.
How to E-file C-Corp tax extension?
You can complete and E-file Form 7004 in just 3 simple steps from any device.
- Choose Form 7004 and enter basic business details.
- Select the form (1120) for which you are applying for an extension
- Enter form details, complete tax payment (EFW or EFTPS), and transmit the form to the IRS.
Our excellent, live support team is available to assist you during the filing process, reach out via email, phone, and live chat.
Avoid IRS late filing fees by e-filing your Corporation’s extension now!
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Frequently Asked Questions
- How do I Pay taxes due along with my Extension?
- What is the perfection period for my extension?
- How much time do I have to correct the rejected extension?
- What's the penalty and interest if I fail to pay the taxes?
- How do I resolve the error code [E-File Error Code R0000-902-01]?
- How do I resolve the error code [E-File Error Code
F7004-904-01]?
