Edit, Download, and Sign the IRS Form 8879-C Signature Authorization for 2018
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How do I fill this out?
To fill out Form 8879-C, start by entering the corporation's information at the top. Next, accurately provide the amounts from the corporation's income tax return. Finally, ensure the authorized officer signs and dates the form.

How to fill out the IRS Form 8879-C Signature Authorization for 2018?
1
Enter the corporation's name and employer identification number.
2
Complete Part I with amounts from the income tax return.
3
Select the appropriate box regarding PIN usage.
4
Confirm and sign the declaration.
5
Submit the completed form back to the ERO.
Who needs the IRS Form 8879-C Signature Authorization for 2018?
1
Corporate officers who file taxes electronically.
2
Tax professionals acting as EROs for corporations.
3
Corporation accountants preparing tax returns.
4
Businesses that need to authorize online tax submissions.
5
Anyone managing compliance for corporate tax filings.
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What are the instructions for submitting this form?
Submit Form 8879-C electronically via your ERO or tax professional. The form should be returned to them after it is signed by the corporate officer. For any questions, contact the IRS or consult tax resources for guidance.
What are the important dates for this form in 2024 and 2025?
Form 8879-C must be filed for the 2018 tax year, with submission deadlines typically falling on April 15, following the end of the tax year. Key dates to remember include the filing deadline for corporate income taxes and any potential extensions. Stay updated for any changes in IRS guidelines for future submissions.

What is the purpose of this form?
Form 8879-C is designed for corporate officers to authorize the electronic filing of their corporation's tax return. By utilizing a personal identification number (PIN), the officer can securely sign the document, ensuring compliance with IRS requirements. This form also allows consent for electronic funds withdrawal for tax payments, streamlining the filing process for corporations.

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

- 1. Corporation Name: The legal name of the corporation that is filing the return.
- 2. Employer Identification Number: The unique identification number assigned to the corporation by the IRS.
- 3. Total Income: The total income reported on line 11 of Form 1120.
- 4. Taxable Income: The taxable income reported on line 30 of Form 1120.
- 5. Total Tax: The total tax reported on line 31 of Form 1120.
- 6. Officer's PIN: A personal identification number chosen by the officer who is signing the return.
What happens if I fail to submit this form?
If Form 8879-C is not submitted, the corporation may experience delays in the processing of their electronic tax return. Additionally, failure to complete this form could lead to potential compliance issues with IRS regulations.
- Delayed Filing: Not submitting the form may postpone the tax return processing.
- Compliance Risks: Failure to properly authorize e-filing could result in penalties.
- Payment Issues: Without the form, electronic funds withdrawals may not be authorized.
How do I know when to use this form?

- 1. Electronic Tax Filing: When corporate taxes are submitted electronically using IRS e-file.
- 2. PIN Authorization: To authorize the use of a personal identification number for electronic signature.
- 3. Consent for Direct Debit: When authorizing the IRS to withdraw payment directly from the corporation’s bank account.
Frequently Asked Questions
How do I fill out Form 8879-C?
To fill out Form 8879-C, enter the corporation's details at the top, follow the instructions for each section, and ensure an authorized officer signs the form.
Can I edit this form on PrintFriendly?
Yes, PrintFriendly allows you to edit the form directly within the PDF editor, making it easy to input your data.
How do I sign this PDF?
You can use the PrintFriendly signature feature, which allows you to digitally sign the document quickly.
What happens if I do not submit this form?
Failure to submit Form 8879-C may delay your electronic filing and could cause compliance issues with the IRS.
Who needs to complete this form?
Corporate officers who file electronically and EROs must complete this form to authorize the submission of tax returns.
Is Form 8879-C necessary?
Yes, it serves as the electronic signature authorization required by the IRS for corporate e-filing.
How do I return the completed form?
Return the completed Form 8879-C to your ERO using an acceptable delivery method such as email or fax.
Can I share this PDF after editing?
Absolutely, PrintFriendly makes it easy to share your edited PDF with others via email or social media.
What if I need to correct the form after submission?
If you need to correct Form 8879-C after submission, you would typically file an amended return following IRS guidelines.
How can I ensure my form is correct?
Carefully review all entries and ensure that the authorized officer checks the completed form before signing.
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