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Get the free IRS Form 8879-C for Form 1120

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What is Form 8879-C

The IRS Form 8879-C is a tax form used by corporate officers to authorize an electronic return originator (ERO) to e-file their corporation's Form 1120.

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Form 8879-C is needed by:
  • Corporate officers of a business entity
  • Authorized Electronic Return Originators (EROs)
  • Tax professionals handling corporate returns
  • Businesses filing Form 1120 electronically
  • Accountants preparing corporate tax forms

How to fill out the Form 8879-C

  1. 1.
    To access the IRS Form 8879-C, visit pdfFiller and use the search bar to locate the form by its name or IRS designation.
  2. 2.
    Once the form is open, navigate through its fields by clicking each blank area or checkbox using your mouse or keyboard.
  3. 3.
    Before starting, gather necessary information, including the business's legal name, Employer Identification Number (EIN), and the PIN to be used as the officer's signature.
  4. 4.
    Complete the required fields accurately, ensuring that the details correspond with the corporation’s previous tax filings for consistency and compliance.
  5. 5.
    After filling out the form, review all entries carefully, checking for any potential errors or omissions that could cause processing delays.
  6. 6.
    Finalizing the form on pdfFiller can be achieved by ensuring each field is correctly filled and then clicking on the 'Finalize' button to save your entries.
  7. 7.
    Once finalized, save the form to your device or directly download it in your preferred format, such as PDF, for submission.
  8. 8.
    To submit the form, follow the specific instructions provided by your ERO or ensure it is included with the corporate Form 1120 when e-filing.
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FAQs

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IRS Form 8879-C can be used by any corporate officer of a corporation who needs to authorize an Electronic Return Originator (ERO) to e-file their Form 1120.
The deadline for submitting IRS Form 8879-C aligns with the corporate income tax return due date, which is typically the 15th day of the third month following the end of the corporation's tax year.
IRS Form 8879-C should be submitted electronically by the ERO when filing the corporate Form 1120. The ERO must retain the signed form for their records.
To fill out the IRS Form 8879-C, you'll need the corporation's legal name, EIN, the tax officer's name, and the PIN that serves as their electronic signature.
Common mistakes include incorrect EINs or names, omitting required fields, and failing to ensure the officer's PIN matches previously established signatures.
Processing times can vary, but once submitted with the electronic Form 1120, the IRS typically processes e-filed returns within 24 to 48 hours.
No, IRS Form 8879-C does not require notarization. It only requires an officer's signature, which is provided via a secure PIN.
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