People say it every day — “we're a 501(c)(3)” — but almost nobody knows what the numbers mean. It's not a form. It's not an IRS program. It's an address in the law.
“501(c)(3)” is a location inside the Internal Revenue Code — Title 26 of the United States Code, the federal tax law.
Break it down:
§ 501(a) says: organizations described in subsection (c) are exempt from federal income tax.
§ 501(c) is the list — about 29 kinds of exempt organizations: labor unions (c)(5), social welfare groups (c)(4), business leagues (c)(6), veterans' organizations (c)(19), and more.
§ 501(c)(3) is paragraph 3 of that list: organizations formed for charitable, religious, educational, or scientific purposes.
The numbering itself dates to the Internal Revenue Code of 1954, when Congress reorganized the tax law and gave these paragraphs the numbers we still use today. (Before 1954, the same exemption lived at §101(6) of the 1939 Code.) That same 1954 law added a famous restriction to paragraph (3): a 501(c)(3) may not campaign for or against candidates for office — the rule everyone calls the Johnson Amendment.
Why does paragraph (3) matter more than its 28 neighbors? Because of a second section: § 170. It's what makes donations to a 501(c)(3) tax-deductible for the donor. Most other exempt organizations are tax-exempt themselves, but gifts to them are NOT deductible. Paragraph (3) is the one where exemption and deductible donations meet.
That's the trade built into those three characters: the organization pays no federal income tax and can offer donors a deduction — and in return it serves a public purpose, keeps its assets locked to that purpose, avoids private benefit, and stays out of candidate politics.
So when someone says “we're a 501(c)(3),” what they're really saying is: “we live at section 501, subsection c, paragraph 3 of the tax code — and we follow the rules that come with the address.”
— 501c3 Expert
We handle all your 501(c)(3) paperwork — nonprofits set up from start to finish, and Form 990s prepared every year.
Call/text 561-212-1192 · 501c3expert.com
Questions are welcome — that’s how our podcast topics are chosen.