7.3 Tax-exempt Organizations

Learning Objectives

  • Understand the purpose and significance of Form 990 for tax-exempt entities.
  • Identify the various types of organizations that are required to file Form 990 and its different versions.
  • Recognize the key information reported on Form 990, including mission, programs, finances, and governance.

Module Overview

Tax-exempt entities are organizations that have been granted exemption from federal income tax due to their pursuit of specific purposes deemed beneficial to the public, such as charitable, educational, religious, or scientific activities. Unlike business entities, which primarily exist to generate profit for owners or shareholders, tax-exempt organizations must operate exclusively for their stated exempt purposes and are prohibited from distributing profits to private individuals or stakeholders. Their operations are subject to strict IRS regulations, including requirements for transparency, public reporting, and ongoing compliance to maintain their tax-exempt status.

The module outlines the statutory basis for exempt entities and their types, then covers taxable transactions and applicable taxes. It also explains requirements to keep tax-exempt status, focusing on eligibility and IRS Form 990 compliance.

Statutory Basis for Tax Exemption (IRC §501)

The statutory authority for federal tax exemption resides in IRC §501, which lists the categories of organizations eligible for exemption. The most recognized type is §501(c)(3), which includes organizations dedicated exclusively to charitable, educational, religious, scientific, literary purposes, testing for public safety, fostering amateur sports competition, and preventing cruelty to children or animals. In addition to organizations classified under IRC §501(c)(3), there are several other categories recognized under IRC §501. These include §501(c)(4) Social Welfare Organizations, such as civic leagues and advocacy groups; §501(c)(5) Labor and Agricultural Organizations, which encompass labor unions and agricultural associations; and §501(c)(6) Business Leagues and Chambers of Commerce, including trade associations and professional societies. There are also additional categories, such as fraternal societies and veterans’ organizations. Each category is subject to its own specific eligibility criteria, operational restrictions, and reporting requirements.

To qualify for exemption under IRC §501, an organization must pass both the organizational and operational tests. The organizational test requires that governing documents, such as articles of incorporation, bylaws, or trust agreements, limit activities to exempt purposes and prohibit private inurement. Private inurement means that the organization’s net earnings cannot benefit private individuals like founders, officers, or directors. The operational test evaluates whether the organization primarily engages in activities that advance its exempt purposes. Most resources, staff time, and financial expenditures must support its mission.

Taxation of Tax-Exempt Entities

Generally, tax-exempt entities are not subject to federal income tax on income related to their exempt purposes. There are several important exceptions. These exceptions are triggered by specific activities or transactions that violate IRS regulations or exceed statutory limits.

Unrelated Business Income (§§ 511–514)

Tax-exempt organizations are required to pay tax on income generated from activities that are not substantially related to their exempt purposes, commonly referred to as Unrelated Business Income (UBI). UBI income is subject to the Unrelated Business Income Tax (UBIT), which is generally imposed at regular corporate tax rates. UBI typically arises from activities such as operating a commercial business or selling products and services that do not further the organization’s charitable, educational, or religious mission.

To comply with IRS regulations, organizations must report and pay taxes on UBI by filing Form 990-T, “Exempt Organization Business Income Tax Return,” for each tax year in which they have $1,000 or more in gross income from unrelated business activities. It is important to note that certain types of income, such as dividends, interest, and royalties, may be excluded from UBI under specific exceptions outlined in IRC §512(b).

Persistent and substantial generation of UBI can trigger increased IRS scrutiny. If the unrelated business activities become a primary focus or constitute a substantial part of the organization’s overall operations, the IRS may determine that the organization no longer qualifies for tax-exempt status under IRC §501(c)(3). This could result in the loss of exemption, exposure to federal income tax on all income, and potential liability for back taxes, penalties, and interest.

Excessive Lobbying Activities

Section 501(c)(3) organizations are permitted to engage in some lobbying, but it must not constitute a substantial part of their overall activities. If an organization exceeds these limits, it may face excise taxes under IRC §4911. These taxes are calculated based on the amount spent in excess of the allowable lobbying expenditures. Persistent or egregious violations can lead to revocation of tax-exempt status, exposing the organization to federal income tax on all its income and potential liability for back taxes. Organizations may also be required to pay additional penalties and interest. To mitigate risk, organizations may elect to be governed by the expenditure test under IRC §501(h), which provides clearer lobbying limits.

Excessive Benefit Transactions

Tax-exempt organizations are strictly prohibited from engaging in transactions that confer excessive benefits to insiders (such as founders, directors, or officers). If an organization is found to have made an “excess benefit transaction,” excise taxes under IRC §4958 may be imposed on both the recipient and the organization’s managers who approved the transaction. The insider must pay a 25% tax on the excess benefit, and if the transaction is not corrected, an additional 200% tax may apply. Organization managers may face a 10% tax, up to $20,000 per transaction. Repeated violations can jeopardize the organization’s tax-exempt status, leading to further tax liabilities and penalties.

IRC §4960 imposes an excise tax on organizations, including private foundations, that pay excessive compensation or “parachute payments” to covered employees. The tax is generally 21% of the amount of remuneration exceeding $1 million for any covered employee and also applies to certain severance or separation payments.

Net Investment Income on Large University Endowments

IRC §4968 imposes an excise tax on certain private colleges and universities that have large investment assets. Specifically, this tax applies to institutions with at least 500 tuition-paying students, more than half of whom are located in the United States, and with aggregate investment assets valued at least $500,000 per student. The tax rate is 1.4% on net investment income, aligning with the rate imposed on private foundations. The intent of IRC §4968 is to address concerns about the accumulation of substantial endowments by these educational institutions and to encourage the use of investment income for educational purposes rather than asset accumulation. Compliance with this provision requires affected organizations to calculate and report their net investment income and pay the associated excise tax annually.

Private Foundation

Private foundation status is a distinct classification for tax-exempt organizations. Specifically, IRC §509(a) defines a private foundation as any domestic or foreign organization described in IRC §501(c)(3) that does not qualify as a public charity. Most organizations recognized as tax-exempt under §501(c)(3) are presumed to be private foundations unless they demonstrate that they receive broad public support or fall within specific exceptions, such as churches, schools, hospitals, or governmental units.

Private foundations are typically funded by a single individual, family, or corporation, and often make grants to public charities or other qualifying entities rather than directly operating charitable programs. Private foundations must annually distribute a minimum amount to support charitable activities, typically 5% of the fair market value of assets not used directly for charitable purposes, calculated at the end of the fiscal year. Qualifying distributions include grants to public charities, certain administrative expenses, and direct program costs. Because of their funding structure and less public oversight, private foundations are subject to stricter regulatory requirements and additional excise taxes, as outlined in IRC §§4941–4945, to prevent abuses such as self-dealing and failure to distribute income.

IRC Section 4947(a)(1) refers to certain trusts that are treated as private foundations for federal tax purposes, even though they are not formally classified as such. Specifically, this section applies to trusts that have charitable interests and that would be tax-exempt under section 501(c)(3) if not for the fact that they are trusts. These trusts are subject to the same rules and restrictions as private foundations, including regulations regarding self-dealing, mandatory distributions, and limitations on holdings and investments. In essence, 4947(a)(1) ensures that charitable trusts operate under similar compliance and reporting standards as private foundations, safeguarding the integrity of charitable assets and activities.

Taxation on Private foundation

Excise Tax on Net Investment Income (IRC §4940)

Private foundations are subject to a 1.39% excise tax on their net investment income. This includes earnings from interest, dividends, rents, and capital gains. The purpose of this tax is to ensure that foundations contribute to the federal treasury while encouraging them to use their assets for charitable purposes rather than accumulating excessive investment income.

Self-Dealing Penalties (IRC §4941)

These penalties are imposed on transactions between the foundation and “disqualified persons,” such as substantial contributors, foundation managers, officers, directors, and certain family members. Examples include selling, leasing, or lending property to the foundation, or providing goods, services, or facilities. These taxes are imposed to prevent insiders from benefiting personally from the foundation’s assets or activities.

Failure to Distribute Income Penalties (IRC §4942)

Foundations are required to make minimum annual distributions for charitable purposes. If they fail to meet these payout requirements, an excise tax is assessed on the undistributed income. This penalty is designed to prevent foundations from hoarding resources and to ensure that charitable funds are actively used to advance the foundation’s mission.

Excess Business Holdings Penalties (IRC §4943)

These penalties apply when a foundation owns more business interests than allowed by law (generally, a foundation and its disqualified persons cannot own more than 20% of a business enterprise). The tax is intended to prevent foundations from controlling businesses and diverting focus away from charitable work.

Jeopardizing Investments Penalties (IRC §4944)

If a foundation makes investments that could jeopardize its ability to carry out its charitable mission, such as speculative ventures or highly risky assets, it may be subject to excise taxes. This rule encourages prudent investment strategies that support, rather than endanger, the foundation’s long-term charitable objectives.

Taxable Expenditures Penalties (IRC §4945)

Foundations may face penalties if they make payments for non-charitable purposes, including lobbying, political campaign activities, grants to individuals or organizations that do not meet IRS requirements, or expenditures lacking adequate documentation. These taxes reinforce the requirement that foundation resources be used exclusively for legitimate charitable activities.

Special Rule Related to Operating Private Foundation

An operating foundation (private operating foundation) is still treated as a private foundation for federal tax purposes and must file Form 990‑PF annually, regardless of its size. The return reports income, expenses, assets, liabilities, compensation, charitable distributions, and any excise tax on net investment income, and it is due on the 15th day of the 5th month after the close of the tax year (e.g., May 15 for a calendar‑year foundation). The filed Form 990‑PF must be made publicly available, and copies are often required for state charity filings as well.​

To claim and maintain private operating foundation status under section 4942(j)(3) or 4942(j)(5), the foundation must complete the operating‑foundation portion of Form 990‑PF (e.g., Part XIII in current versions). In that section, the foundation reports its ruling or determination information and provides distribution and support data to show that it satisfies the 85% “income” or “minimum investment return” spending requirement and the applicable asset, endowment, or support tests over the current year and prior three years. These numerical disclosures substantiate that the organization actively conducts its own charitable programs rather than primarily making grants.​

Operating foundations remain subject to the private‑foundation excise tax regime, including the net investment income tax under section 4940 (unless they qualify as exempt operating foundations) and the rules on self‑dealing, jeopardizing investments, excess business holdings, and taxable expenditures, all of which are reflected where applicable on Form 990‑PF. An exempt operating foundation that meets additional long‑term public‑support and governance tests may avoid the section 4940 tax but still reports its activities and compliance each year on the return. If the operating‑status tests are not met in a particular year, the organization continues to file Form 990‑PF but may be treated as a nonoperating private foundation for that year’s payout and excise‑tax purposes.

Compliance and Reporting Obligations

Obtaining Exempt Organization Status: Form 1023

To be recognized as a tax-exempt organization under Internal Revenue Code (IRC) §501(c)(3), an organization must apply to the Internal Revenue Service (IRS) by submitting Form 1023, “Application for Recognition of Exemption Under Section 501(c)(3) of the Internal Revenue Code.” This comprehensive application requires detailed information about the organization’s structure, governance, activities, and finances. Applicants must demonstrate that their operations are exclusively for charitable, educational, religious, or other qualifying purposes and that none of their earnings inure to private individuals. Once the IRS approves the application, the organization receives a determination letter confirming its exempt status, which is crucial for securing donor confidence and eligibility for grants.

Annual Filing Requirements – Form 990

After obtaining exempt status, organizations must comply with annual IRS reporting obligations to maintain their exemption. The primary reporting mechanism is the Form 990 series, which serves as a public disclosure of the organization’s financial activities, governance practices, and program accomplishments. The specific form required depends on financial thresholds:

  • Form 990: For organizations with gross receipts over $200,000 or assets over $500,000.
  • Form 990-EZ: For organizations with gross receipts under $200,000 and assets below $500,000.
  • Form 990-N: An electronic postcard for organizations with gross receipts of $50,000 or less.
  • Form 990-PF: Required for private foundations, regardless of financial size.

Failure to file the required returns for three consecutive years results in automatic revocation of tax-exempt status, which can have serious operational and reputational consequences. Accurate and timely annual filings are essential for compliance and for maintaining public trust.

Disclosure Requirements

Tax-exempt organizations are subject to various disclosure requirements to ensure transparency and accountability. Key documents, such as the approved Form 1023 application and annual Form 990 returns, must be made available for public inspection upon request. Many organizations also post these filings on their websites for easier access. In addition, organizations must disclose certain information about their finances, governance, compensation practices, and program outcomes. These requirements help donors, regulators, and the public assess how the organization uses its resources and whether it adheres to its exempt purpose.

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Fundamentals of Federal Taxation Copyright © 2025 by Zhuoli Axelton is licensed under a Creative Commons Attribution 4.0 International License, except where otherwise noted.