IRS Form 990 for Nonprofits: Why It’s More Than Just a Tax Filing

By Brooke B. Dawson, CPA and Lindsey Earling

Nonprofit organizations are often evaluated not only by the impact they make, but also by how they communicate that impact. One of the most important tools for doing so is Form 990. While many organizations view it as an annual compliance requirement, Form 990 is also one of the most widely used sources of information for donors, grantors, regulators, and charity watchdog organizations.

A well-prepared Form 990 can help demonstrate accountability, strengthen donor confidence, and tell the organization’s story. Understanding the different Form 990 filing requirements and taking a strategic approach to preparation can help nonprofits maximize the value of this important public document.

Understanding the Different Types of IRS Form 990 Filings

Not all exempt organizations file the same return. The appropriate filing generally depends on the organization’s size and classification.

Form 990-N (e-Postcard)

Organizations with a three-year rolling average of $50,000 or less in annual gross receipts typically qualify to file Form 990-N, commonly known as the e-Postcard. This form can only be submitted electronically. While the filing is relatively simple, it is still required to maintain tax-exempt status and should not be overlooked.

Form 990-EZ

Organizations with gross receipts of less than $200,000 and total assets of less than $500,000 generally may file Form 990-EZ. While more condensed than the full Form 990, it still requires financial reporting and may trigger numerous additional schedules.

Form 990

Larger organizations with gross receipts of more than $200,000 and total assets of $500,000 generally file the standard Form 990. This return provides detailed information regarding:

• Mission and program accomplishments
• Governance practices
• Revenue and expenses
• Executive compensation
• Fundraising activities
• Related organizations

Because the return is publicly available, many organizations consider it their most visible financial document.

Form 990-PF

Private foundations generally file Form 990-PF regardless of size. Unlike public charities, private foundations are subject to unique reporting requirements related to investments, charitable distributions, and excise taxes.

Form 990-T

Organizations that generate $1,000 or more of gross income from an unrelated trade or business may also be required to file Form 990-T to report unrelated business taxable income (UBTI).

Why Form 990 Matters for Nonprofit Organizations

Form 990 provides important insight into an organization’s mission, financial health, leadership, and programs. Because donors, grantors, regulators, and members of the public may rely on this information, accurate and thoughtful reporting is essential.

A Compliance Tool

The IRS uses Form 990 to monitor compliance among tax-exempt organizations, while many states rely on the filing as part of their charitable oversight programs. Accurate reporting is critical to maintaining good standing.

A Resource for Watchdog Agencies

Organizations such as Charity Navigator, Candid (formerly GuideStar), and the Better Business Bureau frequently use information reported on Form 990 when evaluating charities. Some areas that are frequently reviewed include executive compensation, fundraising efficiency, and program spending compared to administrative costs. Donors often review these ratings before making contributions, making the quality of Form 990 reporting more important than ever.

Tips for Preparing an Accurate Form 990

Tell Your Story Through Schedule O

Many organizations focus heavily on the financial sections of the return while overlooking Schedule O. This schedule provides an opportunity to explain programs, governance policies, significant changes, and other items that may benefit from additional context. Don’t undersell your organization’s program accomplishments. Be sure to describe measurable results and community impacts. This helps potential donors visualize how their donations will be used.

Watch for Required Schedules

One of the most common filing issues is omission of required schedules. Frequently encountered schedules include:

• Schedule A – Public Charity Status and Public Support
• Schedule B – Schedule of Contributors
• Schedule D – Supplemental Financial Statements
• Schedule G – Fundraising Activities
• Schedule I – Grants and Assistance
• Schedule J – Compensation Information

A comprehensive review before filing can help identify missing schedules and disclosures. Part IV of Form 990 is a great starting point for determining which supplemental schedules should be included with your nonprofit organization’s return.

Reconcile Financial Information

Organizations should ensure the Form 990 reconciles with the audited financial statements, if applicable, or internally prepared financial reports. Significant unexplained differences can create confusion for readers and raise questions during reviews.

Remember That Everyone Can Read It

Because Form 990 is publicly available, organizations should review the completed return through the eyes of a donor or grantor. Avoid unnecessarily disclosing personal information on the return because Form 990 is publicly available.

Potential Changes to Form 990

On April 23, 2026, the U.S. Department of the Treasury announced proposed changes to the current Form 990. These changes will be made in an effort to increase transparency, strengthen tax administration, and provide more guidance and oversight for tax-exempt organizations.

There are no immediate changes being made; however, it is important to stay informed as additional guidance on these proposed changes is released. For more information, read our article on these planned changes.

Form 990 Is an Opportunity, Not Just a Requirement

Form 990 is more than an annual filing requirement. When prepared strategically, Form 990 becomes an opportunity not only to satisfy reporting requirements but also to showcase mission, accountability, and impact.

If you have questions about Form 990 or other nonprofit accounting and tax matters, the professionals on RGCO’s Nonprofit Committee are here to help. For more than 40 years, our team has served more than 150 local and national nonprofit organizations annually, including civic and social organizations, health and welfare agencies, educational institutions, arts and cultural organizations, religious organizations, trade and professional associations, and private foundations. We utilize that experience to help nonprofit organizations navigate reporting requirements, maintain compliance, and communicate their mission and impact effectively.

Frequently Asked Questions

What is IRS Form 990?

IRS Form 990 is an annual information return that tax-exempt organizations file with the IRS. Beyond meeting compliance requirements, it serves as a public document that helps donors, grantmakers, regulators, and others understand an organization’s mission, finances, governance, and overall operations.

Why is Form 990 important for nonprofit organizations?

Form 990 is much more than a tax filing. It demonstrates accountability, supports transparency, and communicates an organization’s impact. A thoughtfully prepared return can strengthen public confidence and help tell the organization’s story.

Which Form 990 does my nonprofit need to file?

The type of Form 990 your organization files generally depends on its size and classification. Smaller organizations may qualify to file Form 990-N or Form 990-EZ, while larger nonprofits typically file the standard Form 990. Private foundations generally file Form 990-PF, and organizations with unrelated business taxable income may also need to file Form 990-T.

Who reviews a nonprofit’s Form 990?

Form 990 is reviewed by a variety of audiences, including donors, grantmakers, regulators, charity watchdog organizations, and members of the public. Organizations such as Charity Navigator, Candid (formerly GuideStar), and the Better Business Bureau may also use information reported on Form 990 when evaluating charities.

Is Form 990 available to the public?

Yes. Form 990 is a publicly available document. Because anyone can review it, nonprofit organizations should ensure the return presents accurate financial information, clear program descriptions, and appropriate disclosures while avoiding unnecessary personal information.

What is Schedule O on Form 990?

Schedule O provides nonprofit organizations with an opportunity to explain programs, governance policies, significant changes, and other information that benefits from additional context. It can also be used to highlight measurable accomplishments and community impact, helping readers better understand the organization’s mission.

Can Form 990 affect fundraising?

Yes. Donors and grantmakers often review Form 990 before making funding decisions. A well-prepared return that clearly communicates an organization’s mission, financial stewardship, and program accomplishments can help build credibility and donor confidence.