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    Unrelated Business Income Tax for Nonprofits: A How-To Guide

    Navigate Unrelated Business Income Tax (UBIT) for your nonprofit. Learn how to comply and protect your tax-exempt status. Get expert CPA guidance today!

    Centennial Accounting GroupAugust 4, 2026

    For many nonprofit organizations, the mission is the driving force. You're dedicated to your cause, and every dollar earned is directed back into fulfilling that mission. However, sometimes nonprofits engage in activities that generate income outside of their core charitable purpose. This can lead to a complex area of tax law: Unrelated Business Income Tax (UBIT). This guide from Centennial Accounting Group is designed to help nonprofit leaders understand UBIT, identify potential UBIT for their organization, and navigate the reporting requirements.

    Understanding UBIT is crucial for maintaining your organization's tax-exempt status. Our team is here to demystify this topic, empowering you to make informed decisions and ensure compliance. By the end of this guide, you'll have a clearer picture of what constitutes unrelated business income, how to calculate it, and what steps to take.

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    What You'll Need

    • A clear understanding of your nonprofit's mission and primary activities.
    • Records of all income-generating activities, including sales, services, and investments.
    • Documentation of expenses associated with each income-generating activity.
    • Access to your organization's financial statements and accounting software.
    • Knowledge of IRS Form 990-T, Exempt Organization Business Income Tax Return.
    • Understanding of Colorado Department of Revenue (CDOR) specific requirements for state UBIT, if applicable.

    Step 1: Define Your Nonprofit's Mission and Activities

    The first and most critical step is to have a crystal-clear definition of your organization's exempt purpose as stated in your IRS determination letter. What are the core activities that directly further your mission? For example, a museum's mission is to educate the public about art. Its primary activities might include exhibiting artwork, running educational programs, and conducting research.

    Any income-generating activity that is not substantially related to furthering this exempt purpose could potentially be considered unrelated business income. It's essential to distinguish between activities that are inherently charitable and those that are purely commercial in nature, even if the profits are intended to fund the mission. Think about an animal shelter that hosts a fundraising gala; the gala itself is related to fundraising for the shelter's mission. However, if that same shelter started a for-profit dog grooming service, the income from grooming would likely be unrelated.

    Step 2: Identify Potential Unrelated Business Income Activities

    Now, let's look at common areas where nonprofits might unintentionally generate UBIT. The IRS defines an unrelated trade or business as any activity that:

    • Constitutes a trade or business;
    • Is regularly carried on; and
    • Is not substantially related to furthering the organization's tax-exempt purpose.

    Examples of activities that may generate UBIT include:

    • Operating a retail store selling general merchandise not related to the nonprofit's mission (e.g., a museum gift shop selling unrelated trinkets).
    • Providing services to the public for a fee that are not substantially related to the nonprofit's mission (e.g., a charitable organization operating a commercial parking garage).
    • Operating a concession stand at an event unrelated to the nonprofit's mission.
    • Advertising and royalty income from publishing mailing lists or business directories.
    • Certain partnership interests where the partnership conducts an unrelated trade or business.

    It's important to note that there are exceptions. For instance, activities where more than two-thirds of the work is performed by volunteers are generally excluded. Also, activities where goods are made by recipients of vocational rehabilitation services, or where the activity is primarily for the convenience of members, students, patients, etc., may also be exempt.

    Close-up of hands counting money

    Step 3: Calculate the Unrelated Business Taxable Income (UBTI)

    Once you've identified a potential UBIT-generating activity, you need to calculate the Unrelated Business Taxable Income (UBTI). This is essentially the gross income derived from the unrelated trade or business minus the allowable deductions attributable to that trade or business.

    Gross Income: This includes all income from the unrelated activity. For example, if your nonprofit operates a small cafe selling coffee and pastries to the public, the total revenue from these sales is gross income.

    Allowable Deductions: These are expenses directly connected with and ordinary and necessary to carrying on the unrelated trade or business. This can include the cost of goods sold, salaries paid to employees working on the unrelated activity, rent for space used exclusively for the unrelated business, utilities, advertising, and depreciation.

    Net Income: Gross Income - Allowable Deductions = Net Income. If this net income is positive, it constitutes UBTI. For example, if the cafe had $50,000 in sales and $30,000 in direct expenses (cost of goods, cafe staff wages, utilities), the UBTI would be $20,000.

    Important Note on Colorado Specifics: While the IRS determines federal UBIT, Colorado also has its own rules. Generally, if your organization is exempt from federal income tax, it is also exempt from Colorado income tax. However, if you owe federal UBIT, you will likely owe Colorado UBIT on the same income, based on calculations similar to federal. CDOR Form 112 should be filed if state UBIT is owed. Consult with your accountant to ensure compliance with both federal and state regulations.

    Step 4: Determine the Tax Liability

    If your nonprofit has UBTI, it is subject to taxation. The tax rates are the same as for regular corporations. For 2023, this is a flat rate of 21% for federal purposes. Your nonprofit will need to file IRS Form 990-T, Exempt Organization Business Income Tax Return, to report this income and pay any tax due.

    Filing Threshold: You must file Form 990-T if your gross income from all unrelated business activities is ,000 or more for the tax year. This threshold applies even if you don't have taxable income after deductions.

    Estimated Taxes: If you expect to owe $500 or more in UBIT for the year, you may need to pay estimated taxes quarterly using Form 990-W, Estimated Tax for Tax-Exempt Organizations. Failure to do so can result in penalties.

    Consider a hypothetical scenario: "Friends of the Denver Botanic Gardens" is a 501(c)(3) organization. They primarily engage in educational programs and fundraising events that directly support the gardens. However, they also operate a small online store selling garden-themed merchandise. Last year, the online store generated $30,000 in sales but had $22,000 in direct costs (merchandise, shipping, website fees). This results in $8,000 of UBTI. They would need to file Form 990-T and pay 21% on this $8,000, resulting in a federal tax liability of ,680. They would also need to consider Colorado state tax requirements.

    Spreadsheet with financial data and charts

    Step 5: File Form 990-T and Pay the Tax

    The process of filing Form 990-T is similar to filing other tax returns. You'll need to accurately report your gross income, deductions, and calculate your tax liability. This form requires detailed information about the unrelated business activity, including its nature and the expenses incurred.

    You can file Form 990-T electronically through IRS e-file services or by mail. The due date is typically the 15th day of the fifth month after the close of your accounting period. For most nonprofits with a December 31 year-end, this is May 15th. If you need more time, you can file an extension using Form 7004, Application for Automatic Extension of Time To File Certain Business Income Tax, Information, and Other Returns.

    Payment of the UBIT can be made electronically through the Electronic Federal Tax Payment System (EFTPS) or by check or money order with your mailed return. Colorado has its own payment system, and you should follow CDOR’s instructions for state tax payments.

    Step 6: Maintain Proper Records

    Accurate and organized record-keeping is paramount for UBIT compliance. You need to be able to substantiate all income and expense figures reported on Form 990-T. This means keeping detailed records of sales, receipts for all expenses, invoices, payroll records, and any other documentation related to the unrelated business activities.

    These records should be maintained separately from your core charitable operations to clearly delineate income and expenses. This not only aids in tax preparation but also provides a clear audit trail should the IRS or CDOR inquire about your UBIT filings. Good record-keeping is a cornerstone of sound financial management for any nonprofit, and it’s especially critical when dealing with UBIT.

    Person working on a laptop in a home office

    Common Pitfalls

    • Confusing Fundraising with Unrelated Business: While fundraising activities are generally exempt, if they become too commercialized and lose their connection to the charitable purpose, they might be scrutinized. For example, a raffle where the prize is a significant asset unrelated to the mission and conducted as a regular business could raise flags.
    • Not Tracking Expenses Properly: Failing to accurately track and allocate expenses related to the unrelated business activity is a common mistake. This can lead to overstating taxable income and paying more tax than necessary, or understating income, which can result in penalties.
    • Ignoring Small Income Streams: Even small amounts of income from an unrelated business can trigger filing requirements if gross income exceeds ,000. It's easy to overlook these, but they can lead to missed filings and potential penalties.
    • Misunderstanding the "Regularly Carried On" Test: Activities that are sporadic or seasonal might not be considered "regularly carried on." However, the IRS uses a broad interpretation, so it's essential to understand how this applies to your specific situation. For instance, an annual craft fair might be considered regularly carried on if it's a consistent, planned event.
    • Failing to Address State-Specific Requirements: As mentioned, Colorado has its own tax laws. Relying solely on federal UBIT guidance without considering state implications can lead to non-compliance.

    When to Get Professional Help

    Navigating the complexities of Unrelated Business Income Tax can be challenging, especially for nonprofit organizations that are primarily focused on their mission. The rules surrounding what constitutes a "trade or business," "regularly carried on," and "substantially related" can be intricate and depend heavily on the specifics of your organization's activities.

    If you find yourself unsure about whether an activity generates UBIT, if you're struggling to calculate your UBTI accurately, or if you're facing potential audit issues, it's time to seek expert guidance. Our team at Centennial Accounting Group specializes in working with nonprofits in Colorado and across the United States. We can help you assess your activities, ensure correct tax preparation, and provide peace of mind regarding your tax obligations.

    Don't let the fear of UBIT distract you from your important work. Our experienced CPAs understand the unique financial landscape of nonprofits and can offer tailored solutions for tax preparation services, professional bookkeeping, payroll services, and fractional CFO services. We can also assist with business formation and audit defense if needed.

    We encourage you to schedule a free consultation with our nonprofit specialists today. Let us help you focus on your mission, knowing your finances and tax compliance are in expert hands. Visit our dedicated Nonprofits services page to learn more about how we support organizations like yours.

    Sources & References

    This article references information from the following authoritative sources:

    Disclaimer: This article is provided for informational and educational purposes only and does not constitute legal, tax, or financial advice. Tax laws and regulations change frequently, and the information presented may not reflect the most current legal developments. Every individual's tax situation is unique, and the strategies discussed may not be suitable for your specific circumstances.

    Before making any tax-related decisions, we strongly recommend consulting with a qualified tax professional or accountant. CAG Accountant is not responsible for any actions taken based on the information in this article. All referenced trademarks and copyrights belong to their respective owners.

    © 2026 Centennial Accounting Group. All rights reserved.

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