Fill out Form 8453-CORP Online in 2025

Fill out your income tax declaration for e-filing
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What is Form 8453-CORP?

Form 8453-CORP is an important document for corporations filing their income tax returns electronically with the IRS. This form acts as a declaration, confirming that the corporation is authorized to file electronically and that the information provided is accurate. By signing this form, corporations ensure compliance with IRS regulations, which helps avoid potential penalties. Submitting this form is crucial for the secure and correct processing of the corporation’s tax return. Always keep a copy for your records after filing.

What is Form 8453-CORP used for?

Form 8453-CORP is used by corporations filing their income tax returns electronically. Here’s what it’s for:

  • to declare the corporation’s intent to e-file.
  • to authorize the e-filing of the return.
  • to provide signature verification for the e-filed return.

How to fill out Form 8453-CORP?

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  1. 1

    Open Form 8453-CORP in the PDF editor.

  2. 2

    Fill in your corporation's name, address, and Employer Identification Number (EIN).

  3. 3

    Enter the total income and tax information as required.

  4. 4

    Sign the form electronically.

  5. 5

    Review all filled information for accuracy.

  6. 6

    Click Done to download the completed form.

  7. 7

    File the form with your e-file tax return according to IRS guidelines.

Who is required to fill out Form 8453-CORP?

Corporations filing electronic Forms 1120, 1120-F, or 1120-S must complete Form 8453-CORP. This form is essential when using an ISP or transmitter without an ERO.

After completion, the form is used by the IRS to verify tax filings from these corporations.

When is Form 8453-CORP not required?

Form 8453-CORP isn't needed when a corporation opts to file using Form 8879-CORP. This form allows an Electronic Return Originator (ERO) to obtain an electronic signature or identity protection PIN for the e-filed return.

Additionally, if a corporation files a paper return, there's no requirement for Form 8453-CORP. Corporations that do not have a filing obligation also do not need this form.

When is Form 8453-CORP due?

The deadline for Form 8453-CORP is the same as the corporation's electronically filed income tax return. For most corporations, this is due by April 15th of the year following the tax year. If an extension is filed, the form is due by October 15th.

For S corporations and certain C corporations, the deadline may be March 15th, with an extension available until September 15th. Remember, Form 8453-CORP must be signed and completed before being transmitted electronically to the IRS.

How to get a blank Form 8453-CORP?

To get a blank Form 8453-CORP, visit our website. The IRS issues this form, and we have a blank version ready for you to fill out. After completing it, you can download your form for your records.

How to sign Form 8453-CORP online?

To sign Form 8453-CORP using PDF Guru, first, open the form in the PDF editor after clicking "Fill Form." Fill out all required fields accurately, then create your electronic signature using the provided tools.

Once your signature is in place, click "Done" to download the completed form. Remember to check the IRS guidelines for any specific signature requirements related to this form before submission.

Where to file Form 8453-CORP?

Form 8453-CORP must be submitted to the the Internal Revenue Service (IRS).

Submission methods: mail, electronic or in-person.

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Frequently asked questions

  • Do I really need to mail Form 8453?

    Yes, Form 8453, U.S. Corporation Income Tax Declaration for an IRS e-file Return, must be mailed to the IRS if you e-file your corporate tax return. This form serves as a declaration and must be submitted along with any required attachments. Ensure that you mail it to the correct address provided in the form instructions.

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