What Is UBIT and Does Your Nonprofit Need to Worry About It?
This is Part 3 of 4 in the Nonprofit Year-End Series, a guide to closing out your fiscal year, filing your 990, and walking into audit season prepared.
There is a myth that follows every nonprofit organization from its first day of existence: nonprofits do not pay taxes. Most of the time, that is true. But not always. And the exceptions are exactly where I have watched organizations get caught off guard.
UBIT, unrelated business income tax, is the tax the IRS applies when a tax-exempt organization earns income from activities that are not substantially related to the reason it was granted exemption in the first place. The key phrase is "substantially related." That distinction matters more than most executive directors realize, and it is worth understanding before year-end closes out your books.
The IRS Letter: A Client Story
A few years ago, one of my CBO clients launched a fee-for-service training program. The program was genuinely excellent work. They began offering professional development workshops to staff at other organizations working in the same space. The content was high quality. The demand grew. By year two, the program was generating $80,000 annually.
Then they received a letter from the IRS.
They called me the same day, and I could hear the anxiety in their voice before they even finished their first sentence. They had heard the phrase "unrelated business income" for the first time in that letter, and they needed to understand what it meant and how they had ended up here.
I walked them through it carefully. Their organization had been formed to provide direct services to a specific population in their community. The training program, as valuable as it was, had grown to primarily serve staff at other organizations, not their own beneficiaries. It was regularly scheduled, it was structured as a business, and it was generating meaningful revenue. All three elements of the IRS test had been met. The income was taxable.
What needed to happen: they had to file Form 990-T, report the net income from the training program, and pay federal corporate tax at the 21% rate on the profit after allowable expenses. It was not a catastrophic amount, but it was real money, and it came as a surprise because no one had flagged the issue before it grew.
Going forward, we restructured how the program was framed and delivered. We narrowed the curriculum to focus specifically on the organization's mission area and retooled enrollment priorities so the program served their direct beneficiaries first. We also tightened up their expense documentation so that every cost directly related to running the program was properly allocated. Over time, the revenue picture changed in a way that supported a stronger case for mission relatedness. It took effort, but it was absolutely doable.
That client is now one of the most financially informed organizations I work with. But the lesson cost them something. I want to help you avoid a similar surprise.
What UBIT Actually Is: The Three-Part Test
Unrelated business income tax applies when income meets all three of the following conditions. All three must be true. If any one of them does not apply, the income is generally not subject to UBIT.
1. It is a trade or business. The activity involves selling goods or providing services with the intent to generate a profit. This does not have to be a massive operation. Even a modest, structured program can qualify.
2. It is regularly carried on. The activity happens consistently, not just once or occasionally. Annual events might qualify if they mirror how a commercial business would operate in the same space. Truly intermittent activities typically do not.
3. It is NOT substantially related to the organization's exempt purpose. This is the most nuanced part of the test. The income-generating activity must contribute importantly to the accomplishment of the organization's exempt purpose, not merely fund it. Generating revenue that happens to support the mission is not the same thing as an activity that IS the mission.
Common Activities That Trigger UBIT
These are the situations I see most often in my work with nonprofits and CBOs:
Fee-for-service programs sold primarily to the general public. When a nonprofit offers professional training, consulting, or services to outside organizations or individuals who are not the organization's own beneficiaries, the IRS tends to look closely at whether the activity is truly mission-related. The more the customer base looks like the general market and less like the organization's intended population, the stronger the case for UBIT.
Advertising revenue. If your organization publishes a newsletter or journal and sells advertising space to outside businesses, that advertising income is generally considered unrelated business income. This is separate from editorial content, which may remain exempt.
Rental income from debt-financed property. Most rental income from real property is excluded from UBIT, but there is an important exception: if the property was purchased using debt financing (a mortgage, for example), the portion of rental income attributable to that debt may be taxable.
Certain investment income from active business activities. Passive investment income, such as dividends and interest, is generally excluded. But if an investment generates income through an active business, it may cross into UBIT territory.
What Is NOT Subject to UBIT: The Most Important Part
Here is the reassurance most of this post is building toward: the majority of small nonprofits and CBOs will never owe UBIT. The following categories of income are specifically excluded, and they cover most of what community-based organizations earn.
Grants and donations. Always excluded. Full stop. If someone gives you money with no expectation of a commercial benefit in return, it is not business income.
Program service revenue directly related to your exempt purpose. If your organization was formed to provide job training to low-income adults, and you charge participants a modest fee to cover program costs, that fee revenue is likely substantially related to your mission. It supports the work you were formed to do.
Passive investment income. Interest, dividends, and most royalties are generally excluded from UBIT. This is true even when the amounts are significant.
Rental income from real property (if not debt-financed). If you own a building outright and rent out space, that income is typically excluded from UBIT.
Activities conducted with substantially all volunteer labor. If volunteers do most of the work, the income from that activity is generally not subject to UBIT, even if it would otherwise qualify. This is why many nonprofit fundraising events are not UBIT concerns.
Convenience activities for members, patients, students, or employees. A cafeteria that serves hospital patients, a bookstore that serves enrolled students, or a parking lot that serves members of a club all fall into this exclusion.
Not sure if your organization has any UBIT exposure? The Nonprofit Compliance Checklist is a good place to review your revenue streams. [Grab the checklist here]
The UBIT Tax Rate
If an activity does meet all three parts of the test and none of the exclusions apply, the income is taxed at the federal corporate income tax rate, which is currently 21%. Importantly, the tax applies to net income, meaning gross unrelated business income minus expenses that are directly connected to producing that income. Good expense tracking matters here. If you have deductible costs tied to the activity, you want documentation to support them.
When to File Form 990-T
If your organization has gross income from unrelated business activities of $1,000 or more in a tax year, you are required to file Form 990-T. This is a separate filing from your regular Form 990. It is due at the same time as your Form 990, including any extensions you have applied for.
The $1,000 threshold applies to gross income, not net income. Even if your expenses exceed your revenue from the activity and you end up owing no tax, the filing may still be required.
Year-End Action Item
If any of the triggering activities I described sound familiar, a review before filing season is the right move. The time to address UBIT exposure is not after you receive a letter. It is in the weeks before you close your books and begin preparing your 990. Look at each revenue stream and ask: does this activity meet all three parts of the test? Does it fall within one of the exclusions? Is there documentation to support either conclusion?
This is also a good time to talk with your CPA or legal advisor about whether any restructuring makes sense. Bringing an activity closer to your exempt purpose is sometimes possible, but it requires intentional planning, not last-minute adjustments. Whether a restructuring genuinely changes the tax treatment depends on the facts, and that is a conversation worth having with someone who knows your full financial picture.
A Final Word: This Is About Awareness, Not Alarm
I want to be direct with you. The vast majority of small nonprofits and CBOs reading this will never owe a dollar of UBIT. Grants, donations, mission-related program fees, and passive investment income account for most of what these organizations earn, and none of that is subject to UBIT.
The goal of this post is not to create anxiety. It is to make sure you understand the landscape before something unexpected shows up in your mailbox. Financial compliance is much easier to manage when you know what to look for. That is what this series has been about all along.
Ready to Review Your Revenue Mix?
If your organization has grown revenue streams beyond grants and donations, a compliance review before year-end is the right move. [Book a free 20-min call] to talk through your revenue mix.
Start with the Nonprofit Compliance Checklist to assess where you stand: [Get the Checklist] just $27.
By Jasmine Thompson is a QuickBooks Platinum ProAdvisor and fractional CFO serving small businesses, nonprofits, and community-based organizations nationwide from Los Angeles, CA. Stellar Consulting Inc. has 20+ years of expertise in bookkeeping, payroll, CFO advisory, and Federal, State, City, and County grant compliance management. Learn more at stellarconsulting.us.
Comments