When you form a nonprofit and receive your 501(c)(3) determination letter, you may notice a secondary classification: 509(a)(1) or 509(a)(2). Both fall under the umbrella of public charities, but they differ in how the IRS views your organization’s sources of support.
What is a 509(a)(1) Organization?
A 509(a)(1) organization is a public charity that receives the majority of its financial support from:
Contributions from the general public
Support from other publicly supported organizations
Governmental units
In other words, a 509(a)(1) nonprofit primarily relies on donations and grants from broad public sources rather than income from its own activities or investments. Examples include most churches, schools, hospitals, and community foundations.
What is a 509(a)(2) Organization?
A 509(a)(2) organization is also a public charity, but it differs in how it receives support:
Normally, not more than one-third of its financial support comes from gross investment income.
More than one-third comes from contributions, membership fees, or gross receipts from activities related to the nonprofit’s exempt purposes (like selling tickets to a charity event or charging a fee for a service related to your mission).
This classification applies to nonprofits that generate significant revenue from their own activities, in addition to public contributions. Examples can include museums, theaters, and certain membership-based organizations.
Key Similarities
Both 509(a)(1) and 509(a)(2) organizations are 501(c)(3) public charities, so they enjoy the same federal tax-exempt status.
Both can receive tax-deductible donations.
Both must file annual returns (Form 990, 990-EZ, or 990-N, depending on size).
Why It Matters
Knowing your classification can help you understand:
Fundraising strategy: A 509(a)(1) charity may focus more on broad-based donations and grants, while a 509(a)(2) charity can rely more heavily on income from programs or events.
Compliance and reporting: Certain IRS rules apply differently depending on classification, particularly when calculating public support percentages.
Bottom Line
Your nonprofit’s 509(a) classification doesn’t change the fact that you are a 501(c)(3) public charity - it simply reflects how the IRS views your sources of support. Understanding the difference can help you plan your fundraising, maintain compliance, and communicate your organization’s public charity status effectively.