Nonprofits are not automatically tax exempt. Forming a nonprofit under state law creates a legal entity; tax exemption is a separate status that the IRS grants only after the organization applies and proves it meets specific requirements. So the honest answer to whether nonprofits are tax exempt is: only the ones the IRS has recognized as exempt, only for income tied to their mission, and only for as long as they follow the rules that come with the status. An organization that skips the federal application or drifts out of compliance can owe corporate income tax on every dollar it takes in, and its donors can lose the ability to deduct their contributions.
What Tax-Exempt Status Actually Covers
Federal recognition under Section 501(c) of the Internal Revenue Code exempts a qualifying organization from federal income tax on revenue connected to its exempt purpose. It does not exempt the organization from every tax, and it does not carry over automatically to state or local taxes. The Code lists more than two dozen categories of exempt organizations. Three cover most of what people mean when they say “nonprofit.”
- 501(c)(3) — charitable, religious, and educational organizations. These must operate exclusively for purposes such as education, religion, scientific research, or the prevention of cruelty to children or animals. No earnings can benefit insiders, lobbying has to stay insubstantial, and any campaigning for or against political candidates is flatly prohibited.1Office of the Law Revision Counsel. 26 USC 501 – Exemption From Tax on Corporations, Certain Trusts, Etc.
- 501(c)(4) — social welfare organizations. These promote community welfare and can engage in substantially more lobbying than a 501(c)(3). They must notify the IRS within 60 days of formation by filing Form 8976, or face penalties of $20 per day up to $5,000.2Internal Revenue Service. Electronically Submit Your Form 8976, Notice of Intent to Operate Under Section 501(c)(4)
- 501(c)(6) — business leagues and chambers of commerce. These exist to improve conditions for a particular industry or line of business, not to generate profit for members.1Office of the Law Revision Counsel. 26 USC 501 – Exemption From Tax on Corporations, Certain Trusts, Etc.
Donor Deductibility Is a Separate Question
People often conflate “tax exempt” with “donations are deductible.” They are not the same thing. Contributions to a 501(c)(3) are tax-deductible for the donor. Contributions to a 501(c)(4) generally are not, and the organization has to disclose that fact when it solicits money.3Internal Revenue Service. Donations to Section 501(c)(4) Organizations The same is true for most 501(c)(6) organizations. This distinction alone drives many groups to pursue 501(c)(3) status even when another category might fit their operations.
Taxes Exempt Nonprofits Still Owe
Exemption is narrower than most people assume. It removes federal income tax on mission-related revenue and leaves several other obligations fully in place.
Unrelated Business Income Tax
When a nonprofit earns money from a trade or business that is regularly carried on and not substantially related to its exempt purpose, that income is taxable. Any exempt organization with $1,000 or more in gross income from unrelated business activities must file Form 990-T and pay tax on the net income at standard corporate rates.4Internal Revenue Service. Unrelated Business Income Tax If the expected tax bill reaches $500 or more for the year, quarterly estimated tax payments are required.
Two common exceptions keep many fundraisers out of this rule. Revenue from a business run almost entirely by unpaid volunteers, such as a bake sale staffed by parents, is excluded. So is income from selling donated merchandise, which is how most nonprofit thrift stores avoid the tax entirely.5Internal Revenue Service. Unrelated Business Income Tax Exceptions and Exclusions
Employment Taxes
Nonprofits with employees withhold and remit Social Security and Medicare taxes just like any other employer. The organization pays its share and withholds the employee’s share from each paycheck. One notable carve-out: organizations recognized under 501(c)(3) are exempt from the Federal Unemployment Tax, and that exemption cannot be waived. Nonprofits under other subsections, including 501(c)(4) and 501(c)(6), do owe federal unemployment tax and file Form 940.6Internal Revenue Service. Exempt Organizations – What Are Employment Taxes
State and Local Taxes Are Separate
Federal exemption does not extend to state or local taxes. Most states require a separate application for state income tax exemption, and the criteria don’t always mirror federal rules. Sales tax exemptions, where available, generally cover only purchases the organization makes for its own mission use, not purchases for resale or the personal benefit of staff. Many states issue an exemption certificate that has to be presented to vendors at the time of purchase. Property tax relief typically requires demonstrating that the land and buildings serve a charitable, educational, or religious purpose. Filing deadlines, renewal rules, and specific forms vary by jurisdiction, so an organization operating in multiple states faces a compliance picture that federal recognition alone does not resolve.
How an Organization Becomes Tax Exempt
Two things have to be true before the IRS will grant 501(c)(3) status. First, the organizational test: the articles of incorporation must limit the organization’s activities to exempt purposes and include a dissolution clause sending remaining assets to another exempt organization or a government entity if the nonprofit ever shuts down. Missing either provision is one of the most common reasons applications stall.7Internal Revenue Service. Organizational Test Internal Revenue Code Section 501(c)(3) Second, the operational test: the organization has to actually operate primarily to further those exempt purposes, with no net earnings flowing to insiders and no political campaign activity for or against any candidate.8Internal Revenue Service. Operational Test Internal Revenue Code Section 501(c)(3)
The application itself starts with getting an Employer Identification Number for free from the IRS after the entity is formed under state law.9Internal Revenue Service. Get an Employer Identification Number Organizations seeking 501(c)(3) status file Form 1023, or the shorter Form 1023-EZ if they qualify as a smaller organization. Groups seeking exemption under 501(c)(4), 501(c)(6), and most other subsections use Form 1024 or Form 1024-A.10Internal Revenue Service. About Form 1023, Application for Recognition of Exemption Under Section 501(c)(3) of the Internal Revenue Code All applications go through Pay.gov with a non-refundable user fee: $275 for Form 1023-EZ, $600 for the full Form 1023.11Internal Revenue Service. Form 1023 and 1023-EZ – Amount of User Fee Processing speed splits sharply by form. As of early 2026, the IRS issues 80% of Form 1023-EZ decisions within about 22 days, while the full Form 1023 takes roughly 191 days for 80% of applications.12Internal Revenue Service. Where’s My Application for Tax-Exempt Status? An approved application produces a determination letter, which is the official proof donors, grantmakers, and other agencies will ask to see.
Public Charity or Private Foundation
Every 501(c)(3) is classified as either a public charity or a private foundation. The default is private foundation, which carries heavier regulation and excise taxes, so most organizations want public charity status instead.13Internal Revenue Service. Determine Your Foundation Classification The main route is the public support test, measured over a rolling five-year period: at least one-third of support must come from the general public, government grants, or other public charities. Between 10% and one-third, the IRS may still allow public charity status under a facts-and-circumstances review. Below 10%, the organization is reclassified as a private foundation.14Internal Revenue Service. Form 990, Schedules A and B – Public Charity Support Test
Keeping the Exemption
Getting the determination letter is the beginning, not the end. Almost every exempt organization has to file an annual information return in the Form 990 series, and the version depends on size:
- Form 990-N (the e-Postcard) for organizations with gross receipts normally $50,000 or less.15Internal Revenue Service. Annual Electronic Filing Requirement for Small Exempt Organizations – Form 990-N (e-Postcard)
- Form 990-EZ for organizations with gross receipts under $200,000 and total assets under $500,000.16Internal Revenue Service. Form 990 Series – Which Forms Do Exempt Organizations File
- Form 990 for organizations with gross receipts of $200,000 or more, or total assets of $500,000 or more.16Internal Revenue Service. Form 990 Series – Which Forms Do Exempt Organizations File
The return is due by the 15th day of the 5th month after the accounting period ends — May 15 for calendar-year filers. Form 8868 grants an automatic six-month extension to file, but any tax owed, such as UBIT, is still due on the original date.17Internal Revenue Service. Annual Exempt Organization Return – Due Date
The full Form 990 also asks detailed governance questions in Part VI, including whether the organization has adopted a written conflict of interest policy, a whistleblower policy, and a document retention and destruction policy.18Internal Revenue Service. Form 990, Part VI – Governance, Management, and Disclosure Frequently Asked Questions The IRS does not technically require the policies, but it does require you to disclose whether you have them, and blank answers draw scrutiny. Federal law separately requires exempt organizations to make their three most recent annual returns available for public inspection upon request.19Office of the Law Revision Counsel. 26 USC 6104 – Publicity of Information Required From Certain Exempt Organizations and Certain Trusts
Three Missed Years and the Exemption Is Gone
Failing to file any required Form 990 series return for three consecutive years triggers automatic revocation of tax-exempt status. No warning, no hearing.15Internal Revenue Service. Annual Electronic Filing Requirement for Small Exempt Organizations – Form 990-N (e-Postcard) Revocation takes effect on the filing due date of the third missed year. This catches more organizations than you would expect, particularly small ones that assumed the e-Postcard was optional because it carries no late-filing penalty of its own. Reinstatement is possible, but it requires a new exemption application, a new user fee, and, for retroactive reinstatement to the original revocation date, a reasonable-cause showing that gets stricter the longer the organization waits.20Internal Revenue Service. Automatic Revocation – How to Have Your Tax-Exempt Status Reinstated