By - Lori Borek
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Even if an organization is recognized as tax-exempt under §501(c)(3), it isn’t automatically exempt from all taxes. When a nonprofit earns revenue from activities that are not substantially related to its exempt purpose, that income may be subject to Unrelated Business Income Tax (UBIT). Because the rules are nuanced—and the consequences of getting it wrong can be significant—understanding how to identify, report, and document unrelated business income (UBI) is essential for nonprofit compliance.
In this practical, guidance-driven webinar, Lori Borek will walk you through how the IRS determines whether income is UBI, including the key tests and common scenarios where nonprofits can unintentionally trigger UBIT. You’ll also learn how the “silo” rules work—requiring separate reporting for each unrelated trade or business—and how to apply them correctly.
The session concludes with a step-by-step walkthrough of Form 990-T, including Schedule A, so you can confidently calculate UBIT and complete the return with fewer errors and less guesswork.
You’ll leave with a clearer, more practical understanding of how to identify and report UBI—so you can minimize potential tax liability, strengthen compliance, and avoid costly mistakes.
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Lori Borek
Lori Borek, CPA, is a seasoned tax accountant and Chief Operating Officer of The Borek Group, LLC. Lori recently retired from the Internal Revenue Service after a distinguished 34-year career in federal tax administration. She served in multiple critical roles at the IRS, including Revenue Agent in the Small Business/Self-Employed (SBSE) division, Analyst in the Office of Servicewide Penalties, and Senior Manager responsible for overseeing quality programs for SBSE Field and Specialty Examination. Lori also played a key role in staff development, delivering continuing professional education (CPE) training modules to revenue agents and providing quality-focused training to new frontline Examination managers. Lori earned her degree in Accounting from the University of Maryland University College. Now in the private sector, she brings her deep expertise and leadership to her work with The Borek Group, helping clients navigate the complexities of tax compliance and strategy.




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