Understanding the difference between IRS 8879-EO and IRS 8879-PE

Last updated on Dec 8, 2025

What is IRS 8879-EO?

IRS Form 8879-EO is a declaration document for electronic filing of exempt organization returns. It confirms that the electronic return is correct and authorized to submit by the tax-exempt organization.

This form is particularly relevant for organizations that file Form 990, 990-EZ, or 990-N, as it serves as a declaration of the accuracy of the tax return.

1.

You may need IRS 8879-EO if:
2.

Your organization is filing Form 990, 990-EZ, or 990-N.
3.

You wish to file your tax return electronically.
4.

You need a way to document electronic signatures for your returns.

Who needs to complete a IRS 8879-EO?

This form must be completed by individuals authorized to sign the organization's tax returns.

1.

Typically required for:
2.

Nonprofit organizations seeking tax-exempt status.
3.

Fiscal officers of exempt organizations.
4.

Authorized representatives of the filing organizations.
5.

Any accountant or tax professional preparing the electronically filed returns.

When is IRS 8879-EO due?

The IRS Form 8879-EO must be filed alongside the electronic return, typically on or before the due date of the return itself. Generally, for many organizations, Form 990 is due on the 15th day of the 5th month after the end of the fiscal year.

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What is IRS 8879-PE?

IRS Form 8879-PE is the equivalent declaration for electronic filing of partnership returns, specifically for partnerships and S-corporations. It serves to validate the return and provides a means for electronic signatures.

This form is relevant for those filing Form 1065, which is the partnership return, and it confirms that the partner or authorized person is aware of and agrees to the contents of the tax return filed electronically.

1.

You may need IRS 8879-PE if:
2.

Your partnership is filing Form 1065.
3.

You opt to submit the return electronically.
4.

You require documentation of the e-signature approval process for your return.

Who needs to complete a IRS 8879-PE?

This form is necessary for individuals authorized to sign the partnership return.

1.

Typically required for:
2.

Partners in a partnership or members in an LLC treated as a partnership.
3.

Authorized individuals representing the entity.
4.

Tax professionals preparing electronic forms for partnerships.
5.

Individuals responsible for compliance and filing of partnership-related taxes.

When is IRS 8879-PE due?

The form IRS 8879-PE must be submitted with the electronic version of Form 1065, which is due on the 15th day of the 3rd month following the end of the partnership’s tax year.

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Key differences between IRS 8879-EO and IRS 8879-PE

While both forms serve similar purposes in validating electronic return filings, there are noteworthy distinctions between them based on the type of organization and the specific forms they support.

1.

Main differences include:
2.

IRS 8879-EO is for tax-exempt organizations; IRS 8879-PE is for partnerships and S corporations.
3.

IRS 8879-EO accompanies Forms 990, 990-EZ, or 990-N, while IRS 8879-PE is used with Form 1065.
4.

The due dates differ; IRS 8879-EO is due for fiscal year-end 15th day of the 5th month, whereas IRS 8879-PE is due on the 15th day of the 3rd month.
5.

The signatory eligibility may vary, influencing potential signers based on the organizational structure (e.g., profit vs. nonprofit).

Understanding potential penalties

Tax penalties can arise from incorrect or late filing, affecting both entities and individuals negatively. Understanding the ramifications can help organizations adhere to compliance and manage their tax responsibilities more effectively.

For IRS Form 8879-EO, failing to file or incorrect filing can lead to penalties that harm the organization’s reputation and finances. Typically, late returns may incur a penalty of $20 per day, up to a maximum of $10,000 or 5% of the gross receipts of the organization, whichever is less. Further complications may arise, including losing tax-exempt status if failures persist.

Similar to the 8879-EO, penalties related to IRS Form 8879-PE can also impose significant financial impacts. Late filing penalties begin at $210 per month for each month the return is late, with separate penalties for each partner if correct procedures aren't followed. Noncompliance can result in immediate assessment uncertainties and loss of significant tax benefits.

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by Iryna Marchuk

Lead Writer/Blogs Manager at airSlate

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