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The IRS will not approve your 501(c)(3) overnight. Form 1023 typically takes 3 to 6 months, Form 1023-EZ typically takes 2 to 4 weeks, and no service can legitimately compress that. What you can control is what happens during the wait, because the IRS's 27-month retroactive rule means donations you collect now can become tax-deductible the day your determination letter arrives.
This guide covers what to have ready before you apply, how to choose between Form 1023 and Form 1023-EZ, the six steps to file, realistic timelines, state-level follow-ups, and the common mistakes that send applications back. Every IRS-related fact is cited inline to IRS.gov, the only authoritative source for filing rules.
This guide is written for founders of small organizations with projected annual revenue under $50,000. Most readers in that position will qualify for Form 1023-EZ. The information here is general and not legal or tax advice. Consult an attorney or qualified tax professional for your specific situation.
Before you can file, your organization needs three things in place. The IRS will not process an application without them.
1. State-level incorporation. File articles of incorporation with your Secretary of State as a nonprofit corporation. The IRS requires your articles to include a purpose clause and a dissolution clause directing remaining assets to another 501(c)(3) or government entity. Use the IRS sample articles of organization as your starting point. Generic state templates often omit this required language.
2. An Employer Identification Number (EIN). Apply directly through IRS.gov. It is free, takes about 15 minutes, and the number is issued immediately.
3. A qualifying exempt purpose. The IRS recognizes a defined set of exempt purposes under Section 501(c)(3): charitable, religious, educational, scientific, literary, testing for public safety, fostering national or international amateur sports competition, and preventing cruelty to children or animals.
Pre-filing checklist:
There are two applications for 501(c)(3) recognition. Choosing the wrong one is one of the most common reasons applications get returned.
Before you commit, run through the Form 1023-EZ Eligibility Worksheet. One "yes" to a disqualifying question means you must file the full Form 1023.
The filing fee ($275 or $600) is a real expense for a brand-new nonprofit. You can run a peer-to-peer campaign to cover filing fees while you complete the paperwork, without losing 3 to 10% of every dollar to platform fees.
Six steps from incorporation to a determination letter in hand. Steps 1 through 4 are sequential. Step 5 is the wait. Step 6 starts the day you file, not the day you are approved.
File articles of incorporation with your Secretary of State. Use the IRS sample articles of organization so your purpose and dissolution clauses meet federal language requirements. For state-by-state filing instructions, see our how to start a nonprofit guide.
Apply online at the IRS EIN application. It is free, takes about 15 minutes, and the EIN is issued immediately. You can apply as soon as your articles of incorporation are filed.
Work through the Form 1023-EZ Eligibility Worksheet, a 30-question checklist published by the IRS. One "yes" to a disqualifying question means you must file Form 1023 instead. Document your answers as part of your internal application file.
Both forms are filed electronically through Pay.gov. Pay the appropriate user fee ($275 for 1023-EZ, $600 for 1023, per IRS form instructions). The IRS will email confirmation of receipt and assign your application to a reviewer.
The IRS reviews your application and issues a determination letter formally recognizing your tax-exempt status. Check status at the IRS "Where's My Application?" page. Most 1023-EZ applications are processed in 2 to 4 weeks. Most 1023 applications take 3 to 6 months.
You do not have to wait for the determination letter to start raising money. Under the IRS's 27-month retroactive rule (per IRS.gov), if you file within 27 months of the end of the month you were incorporated, your tax-exempt status is retroactive to your formation date. Donations collected during the wait become tax-deductible once the determination letter is issued. Set up your fundraising infrastructure on day one of incorporation, not after approval. See the "Start fundraising while you wait" section below for practical steps.
Tax-exempt status is retroactive to your formation date if you file within 27 months of the end of the month in which you were legally formed, per IRS.gov. That window lets you operate, fundraise, and accept donations from day one. Those donations become tax-deductible retroactively once your determination letter is issued.
A federal 501(c)(3) determination letter exempts you from federal corporate income tax. It does not automatically exempt you from state income tax, state sales tax, or the requirement to register before you fundraise.
State income tax exemption. Most states recognize federal 501(c)(3) status for state corporate income tax, but many require a separate application or a copy of your determination letter submitted to the state Department of Revenue.
State sales tax exemption. Rules vary widely. Some states offer broad exemptions to 501(c)(3)s; others offer none. Apply with your state Department of Revenue.
Charitable solicitation registration. Most states (around 40) require nonprofits to register before soliciting donations from residents of that state. The National Association of State Charity Officials maintains a state-by-state index at nasconet.org.
Property tax exemption. If your nonprofit owns real property, file with the local county assessor. Eligibility and process are set at the city or county level.
If any of these are uncertain in your situation, consult an attorney or experienced nonprofit advisor. This guide is general information, not legal advice.
A determination letter is not permanent. 501(c)(3) status is conditional on continued compliance with the rules in IRS Publication 557. Every 501(c)(3) (with limited exceptions for churches) files some version of Form 990 every year, based on gross receipts and assets (per IRS.gov):
What 501(c)(3) organizations cannot do: distribute net earnings to private individuals, provide more than incidental private benefit to insiders, intervene in political campaigns, make lobbying a substantial part of activities, or pay excessive compensation to officers or directors.
Public charities. The most common sub-type. Public charities receive substantial support from the general public, government, or other public charities. Donors can deduct cash contributions up to 60% of AGI, per IRS Publication 526.
Private foundations. Typically funded by a single source and usually make grants to other nonprofits rather than running programs directly. Donors can deduct cash gifts up to 30% of AGI, per IRS Publication 526. Private foundations face additional excise taxes and minimum distribution requirements.
Private operating foundations. A hybrid: privately funded, but spending at least 85% of adjusted net income directly on active exempt activities, per the IRS definition of a private operating foundation.
Churches and religious organizations. Churches are automatically considered tax-exempt and are not required to file Form 1023, though many do for documentation purposes. They are also generally exempt from filing annual Form 990.
If your organization's purpose is charitable and you plan to raise money from individual donors, choose 501(c)(3). The donor tax deduction is a meaningful fundraising advantage, and most charitable nonprofits will not run into 501(c)(3) political activity limits in practice. For a full breakdown, see our 501(c)(3) vs 501(c)(4) comparison.
Under the IRS's 27-month retroactive rule (per IRS.gov), if you file Form 1023 or 1023-EZ within 27 months of the end of the month you were incorporated, your tax-exempt status is retroactive to your formation date, and so is the deductibility of every donation you collected in between.
The smart move is to stand up fundraising infrastructure on day one of incorporation. Every dollar lost to platform fees on early donations is a dollar that should have reached your mission instead.
Zeffy is a 100% free fundraising platform built specifically for nonprofits: no platform fee, no transaction fee. Zeffy covers card processing costs, so every dollar a donor gives reaches your organization. More than 100,000 nonprofits use Zeffy, and the platform has helped raise over $2 billion. You can set up a free donation form in minutes and turn on recurring monthly giving so you have predictable revenue before your determination letter arrives.
Note: retroactive tax-deductibility requires Form 1023 to be filed within 27 months of your nonprofit's formation date, and donors can only claim the deduction after the IRS issues your determination letter. Donors may need to amend a prior-year return to claim deductions for gifts made during the waiting period. To use Zeffy, you'll need an EIN and a bank account in your organization's name. A formal 501(c)(3) determination letter is not required to sign up.
For a broader view of first-year expenses, see our guides on nonprofit startup costs and nonprofit grants.

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Organizations with both 501(c)(3) and 501(c)(4) are both exempted from federal taxes. Learn about the differences, purpose, eligibility and more for your nonprofit!


Ready to start making an impact in your community? Learn how to start a nonprofit using these steps, plus discover how you can do it all for free with Zeffy.
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