501(c)(3) & Non-Profit Organizations

If you run a charity, church, school, or community group in Missouri, the phrase "501(c)(3)" controls much of your legal life. It decides whether donors can deduct their gifts, whether your organization pays federal income tax, and which rules your board must follow every year. Yet most guides bury the answers in jargon.

This guide explains the system in plain English: what a 501(c)(3) is, how to form one in Missouri, how to keep the exemption, and which mistakes destroy it. It is written for founders, board members, and donors who want straight answers.

A 501(c)(3) must be organized and run for exempt purposes

Section 501(c)(3) of the Internal Revenue Code exempts organizations created and operated for charitable, religious, educational, scientific, and similar purposes (26 U.S.C. § 501). The statute imposes three core conditions. Your organizing documents must limit you to exempt purposes. No part of your net earnings may benefit insiders. And you must stay out of candidate campaigns and limit lobbying.

Courts read those conditions strictly. In Better Business Bureau v. United States, the Supreme Court held that a single substantial non-exempt purpose defeats the exemption, no matter how worthy the other purposes are. In Bob Jones University v. United States, the Court confirmed that the IRS may deny or revoke exemption when an organization's practices violate fundamental public policy. The lesson: your purpose clause, your daily operations, and your public conduct all matter, all the time.

Missouri adds a second layer. Federal tax exemption is not the same as Missouri's charitable property-tax exemption, which has its own test under RSMo § 137.100(5). An organization can hold one and not the other. Treat the two regimes separately when you plan.

You form the organization under Missouri's nonprofit corporation act

A 501(c)(3) starts life as a state-law entity. In Missouri, that usually means a nonprofit corporation formed under the Missouri Nonprofit Corporation Act, RSMo chapter 355, filed with the Secretary of State (chapter 355 text). The formation sequence looks like this:

• Choose a name that complies with Missouri law and check its availability.
• Draft articles of incorporation with a proper purpose clause and the IRS-required dissolution clause, which sends remaining assets to another exempt organization if you wind down.
• File the articles with the Missouri Secretary of State.
• Adopt bylaws that set board size, officer roles, meeting rules, and voting procedures.
• Hold an organizational meeting: elect directors, appoint officers, adopt a conflict-of-interest policy, and record everything in minutes.
• Obtain an employer identification number from the IRS before you open bank accounts.

Skip steps here and you pay later. Articles that lack the required purpose and dissolution language force an amendment before the IRS approves exemption. Sloppy minutes weaken your governance defense when regulators or donors ask questions.

You win exemption by applying to the IRS, and timing matters

Missouri incorporation alone does not make you tax-exempt. Most organizations must apply to the IRS on Form 1023, or on the streamlined Form 1023-EZ if they qualify. Smaller organizations often use the EZ version, but it excludes several categories, including churches, schools, hospitals, and supporting organizations.

Timing matters because of the 27-month rule. If you file within 27 months after the end of the month you were formed, recognition generally reaches back to your formation date. File later, and exemption usually starts only when you file. During the gap, the organization may owe corporate income tax, and donors face deduction problems.

Some organizations skip the application. Churches, their integrated auxiliaries, and conventions of churches are exempt without filing Form 1023, and very small organizations may also be excused. But "excused from applying" is not "free of the rules." The conduct limits in section 501(c)(3) still bind every one of them. The IRS explains these requirements in its exemption requirements overview.

The full Form 1023 asks for your organizing documents, a narrative of past and planned activities, three to four years of financial data or projections, and details about officer compensation and fundraising. Answer it like a regulator will read it, because one will. Vague activity descriptions invite follow-up letters that stall approval for months. A tight narrative that names your programs, your beneficiaries, and your funding sources moves faster and starts your compliance file on solid ground.

Annual filings keep your exemption alive

Exemption is not a one-time award. You maintain it through recurring filings, and the cheapest way to lose it is to ignore the calendar.

• File the right Form 990 each year. Large organizations file the full Form 990. Mid-size organizations may file Form 990-EZ. Small organizations below the IRS gross-receipts threshold may file the Form 990-N electronic postcard. The IRS details the series on its annual filing page.
• Never miss three consecutive years. Federal law automatically revokes the exemption of any organization that fails to file its required annual return or notice for three straight years. The IRS maintains a public revocation list and explains the process on its automatic revocation page. Reinstatement requires a new application, and retroactive relief is limited.
• Register in Missouri when you solicit donations. Missouri's charitable-solicitation law, RSMo chapter 407, requires most charities that ask Missourians for money to register with the Attorney General before fundraising. Check the registration and renewal duties before your first campaign.
• Keep state corporate filings current so the Secretary of State does not administratively dissolve the corporation.

Automatic revocation is the quiet killer in this field. Volunteer treasurers change, notices go to an old address, and a small charity discovers years later that it lost its status and its donors lost their deductions. Assign one person to own the filing calendar, and verify each submission.

Remember also that the Form 990 is public. Grantmakers, journalists, and donors read it. A return that shows no conflict-of-interest policy, unexplained insider payments, or shrinking program spending tells a story you do not control. Treat the annual return as both a compliance duty and a public report on how well your board governs.

Four conduct rules decide whether you keep exemption

The IRS polices four behavior lines. Cross one, and you risk excise taxes or revocation.

Private inurement and excess benefits. Insiders — directors, officers, key employees, and their families — may not siphon the organization's earnings. When a 501(c)(3) pays an insider more than reasonable value for goods, services, or property, the excess benefit rules of section 4958 and 26 C.F.R. § 53.4958 apply: the insider faces a 25 percent excise tax on the excess, which jumps to 200 percent if the deal is not corrected, and managers who approved it can be taxed too. You can protect the organization through the rebuttable-presumption procedure: an independent board approves the deal in advance, relies on comparability data, and documents its reasoning at the time.

Lobbying limits. A charity may lobby only within limits. Under the default rule, lobbying must remain an insubstantial part of activities — a vague standard. Eligible public charities can instead elect the 501(h) expenditure test, which sets clear dollar caps. Churches may not make that election. Track lobbying time and spending whichever standard you use.

The campaign ban. A 501(c)(3) may not intervene in any candidate campaign, for or against anyone, at any level of government. The ban is absolute; there is no de minimis exception. In Branch Ministries v. Rossotti, a federal court upheld revocation after a church took out full-page ads attacking a presidential candidate. Voter education and issue advocacy can be lawful, but the closer you get to election season, the more care you need.

Unrelated business income. A charity may earn some commercial income, but it pays tax on regularly carried-on business activity unrelated to its exempt purpose. In United States v. American Bar Endowment, the Supreme Court treated an organization's insurance program as taxable unrelated business activity. Occasional unrelated income is manageable; a substantial commercial operation can cost the exemption itself.

Your board carries personal duties, so govern on paper

Missouri law holds nonprofit directors to fiduciary duties of care and loyalty. Directors must act in good faith, stay informed, and put the organization's interests ahead of their own. "I was only a volunteer" is not a defense to a conflicted transaction.

Strong boards run on paper. Adopt and enforce a written conflict-of-interest policy that requires disclosure and recusal. Keep minutes that show the board deliberated and voted. Review the executive director's compensation annually against comparable data. Read the Form 990 before it is filed — the return itself asks about your governance practices, and your answers are public.

Donor paperwork matters too. For any single contribution of $250 or more, the donor needs a written acknowledgment from the organization to claim a deduction. For quid pro quo gifts over $75 — a gala ticket, for example — you must tell the donor how much of the payment was not a gift. Build these letters into your fundraising routine rather than reconstructing them in April.

Frequently asked questions

Can our nonprofit pay its founder or staff?

Yes. Exemption limits unreasonable payments to insiders, not compensation itself. You may pay fair salaries set by an independent process using comparability data. The danger lies in inflated pay, sweetheart deals, and undocumented arrangements, which trigger the excess benefit excise taxes and can threaten the exemption.

Does our church need to apply for 501(c)(3) status?

Usually no. Churches are treated as exempt without filing Form 1023 and are excused from annual Form 990 filings. Many churches still apply for a determination letter because donors, grantmakers, and banks ask for one. Either way, the campaign ban, inurement rules, and Missouri solicitation registration still apply.

What happens if the IRS revokes our exemption?

Revocation means the organization owes federal income tax and donors can no longer deduct gifts. You must file a new exemption application to be reinstated, and retroactive reinstatement is limited to specific circumstances. Prevention costs far less: file every annual return on time, even the simple electronic postcard.

Is Missouri property-tax exemption automatic once we have 501(c)(3) status?

No. Missouri applies its own charitable-use test to property tax under RSMo § 137.100(5), focusing on how the property is actually used and who benefits. You claim it separately, and holding federal exemption does not guarantee the local one.

What to do next

If you are starting a nonprofit, sequence the work: form the Missouri corporation with IRS-ready articles, adopt bylaws and a conflict policy, get your identification number, and file your federal application within the 27-month window. If you already run one, audit the basics this month: current registration, last three years of Form 990 filings, a signed conflict policy, and minutes for every major financial decision.

Complex situations — excess benefit exposure, a revocation notice, a commercial venture, or a restructuring — call for counsel. Joseph Ott and Ott Law Firm advise Missouri nonprofits on formation, compliance, and governance. Call (314) 710-2740, or reach us through our contact page. You can also read about our corporate practice and meet our attorneys.

This article is for informational purposes only and does not constitute legal advice. Every matter is different, and reading this page does not create an attorney-client relationship. Consult a lawyer about your organization's specific facts before acting.