Form 8879-CORP E-file Authorization for Corporations
Form 8879-CORP is essential for corporate officers who want to electronically sign the corporation’s income tax return. It enables the use of a personal identification number (PIN) for e-file authorization. This form must be retained for record-keeping and is not submitted to the IRS.
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How do I fill this out?
To fill out Form 8879-CORP, verify the accuracy of the corporation's income tax return first. Next, complete Part I with the relevant financial figures from the return. Finally, part II requires the corporate officer's signature and confirmation of the PIN, validating consent for electronic filing.

How to fill out the Form 8879-CORP E-file Authorization for Corporations?
1
Verify the corporation's income tax return for accuracy.
2
Complete Part I with figures from the tax return.
3
Authorize the ERO to enter your PIN or choose to enter it personally.
4
Sign, date, and provide your title in Part II.
5
Return the completed Form 8879-CORP to the ERO.
Who needs the Form 8879-CORP E-file Authorization for Corporations?
1
Corporate officers need this form to authorize e-filing of tax returns.
2
Accountants require the form to submit on behalf of corporations.
3
Tax preparers utilize it for verifying the corporate officer's consent.
4
Corporation owners must sign off on the electronic submission.
5
EOs (e-file originators) need the document for compliance in e-filing.
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What are the instructions for submitting this form?
Form 8879-CORP must be retained by the electronic return originator (ERO) and is not submitted directly to the IRS. Ensure the form is signed and properly filled out before e-filing your corporate tax return. Should you need assistance, contact the IRS for guidance on e-filing procedures.
What are the important dates for this form in 2024 and 2025?
For tax year 2024, the filing deadline for Form 8879-CORP is March 15, 2025, if on a calendar year basis. Extensions may apply, but it is crucial to verify specifics each year. Always check IRS publications for any updates or changes in due dates.

What is the purpose of this form?
Form 8879-CORP is primarily designed for corporate officers to authorize the electronic filing of their corporation's income tax returns. By using this form, officers can utilize a personal identification number (PIN) as an electronic signature for authenticity. This process streamlines the filing procedure while ensuring compliance with IRS regulations.

Tell me about this form and its components and fields line-by-line.

- 1. Corporate Name: The official name of the corporation.
- 2. Employer Identification Number (EIN): The unique identifier assigned to the corporation by the IRS.
- 3. Total Income: Total income figures from the corporation's income tax return.
- 4. Officer's PIN: The personal identification number used for electronic signature.
- 5. Officer's Signature: The digital signature of the corporate officer authorizing the form.
What happens if I fail to submit this form?
Failing to submit Form 8879-CORP may result in delays in processing the corporation's tax return. Without proper authorization, electronic submissions will not be accepted by the IRS. It's essential to ensure this form is completed and submitted to prevent complications.
- Delayed Tax Processing: Without the required authorization, your tax return may face delays.
- Compliance Issues: Inadequate authorization could lead to penalties or compliance concerns with the IRS.
- Return Rejection: Failure to submit this form may result in the rejection of the electronic tax return.
How do I know when to use this form?

- 1. Electronic Filing: When submitting the corporation’s tax return electronically.
- 2. Tax Return Authorization: To officially authorize the e-filing of the tax return.
- 3. PIN Usage: When the officer chooses to use a PIN as their signature.
Frequently Asked Questions
What is Form 8879-CORP?
Form 8879-CORP is the e-file authorization for corporations, allowing officers to electronically sign their tax returns.
Who should use Form 8879-CORP?
Corporate officers, accountants, and e-file originators should use this form to authorize electronic submission of tax returns.
Can I edit Form 8879-CORP on PrintFriendly?
Yes, you can easily edit the PDF on PrintFriendly before downloading or sharing it.
What do I need to complete this form?
You will need the corporation's income tax return and the officer's personal identification number (PIN).
How is the officer's PIN used?
The officer's PIN serves as an electronic signature for authorization on the tax return.
Must I submit this form to the IRS?
No, Form 8879-CORP is not submitted to the IRS and should be retained for records.
How can I sign the PDF on PrintFriendly?
Utilize PrintFriendly's signature tool to add your signature directly to the document.
Is Form 8879-CORP required for all corporations?
Yes, if a corporation is electronically filing its tax returns, this form is necessary.
What happens if I don’t fill out this form?
Failure to fill out this form may delay the electronic submission of your corporation’s tax return.
How can I download the edited PDF?
After editing, simply click the download button to save the updated PDF to your device.
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