Unrelated Business Taxable Income
Unrelated business taxable income (UBTI) is income earned by a tax-exempt organization — such as a charity, university endowment, or IRA — from a trade or business that is regularly carried on and not substantially related to the organization's exempt purpose, subjecting that income to regular corporate or trust income tax rates.
Tax-exempt organizations under IRC Section 501(c)(3) are generally not subject to federal income tax, but Congress enacted the unrelated business income tax (UBIT) under Sections 511 through 514 to prevent tax-exempt entities from gaining an unfair competitive advantage over taxable businesses selling the same goods or services.
Three elements must all be present for income to be UBTI: the income must come from a trade or business, the business must be regularly carried on, and it must not be substantially related to the exempt purpose. A university bookstore selling textbooks primarily to students may qualify as related; a gift shop open to the general public selling merchandise unrelated to the university's educational mission is more likely to generate UBTI.
For individual investors, UBTI becomes relevant when IRAs invest in master limited partnerships (MLPs) or other pass-through entities. An IRA is itself a tax-exempt trust, and when it receives more than $1,000 in UBTI in a tax year, the IRA custodian must file IRS Form 990-T and pay tax at trust income tax rates. This partially negates the tax-deferred benefit of holding MLPs inside an IRA, leading many advisors to recommend holding such investments in taxable accounts instead.
Debt-financed income adds a further complication. Under the debt-financed property rules of Section 514, income from property acquired with borrowed money is treated as UBTI even if it would otherwise be passive income, in proportion to the debt-to-basis ratio. This rule catches leveraged real estate investments held by endowments and IRAs alike.