Tax990 Knowledge Base

The Tax990 Commitment

We do everything in our power to help you get your return IRS-approved

Protection Plus

Learn more about Protection Plus and how it helps safeguard your filings

Getting Started

Find answers to basic queries about Tax990 and nonprofit filings

Tax Pros

Explore the help articles tailored to assist paid preparer and EROs

Enterprise

Understand how the Tax990 Enterprise partnership works—key features and workflows

Features

Understand how to make the best use of our exclusive features

Form 990-N (e-Postcard)

Get complete guidance on 990-N and e-filing it with Tax990

Form 990-EZ

Get complete guidance on 990-EZ and e-filing it with Tax990

Form 990

Get complete guidance on 990 and e-filing it with Tax990

Form 990-PF

Get complete guidance on 990-PF and e-filing it with Tax990

Form 990-T

Find answers to your queries related to 990-T, UBI, and how to e-file it

CA Form 199

Get answers to any common questions you may have about CA199 filings

Form 1120-POL

Get complete guidance on 1120-POL and e-filing it with Tax990

Form 8038-CP

Gain insights about tax-exempt bonds, 8038-CP, and how to e-file it

Form 8868

Find answers to any queries you have about the extension form

Schedules

Understand the purpose, requirements and other basic aspects about the Schedules

E-Sign & Tax Payments

Find the answers to any queries you may have about e-sign and tax payments

Rejections

Understand in detail about each error code and how to handle rejections

Amendments

Know how to file a corrected nonprofit tax return with Tax990