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Deciphering the Tax Rules for Your Nonprofit

November 10, 2025

Running a nonprofit organization is meaningful work, but it also comes with significant regulatory responsibility. One of the most important benefits of forming a nonprofit is obtaining nonprofit tax-exempt status. This allows qualifying organizations to avoid federal income tax and operate under Section 501(c) of the Internal Revenue Code. If you are preparing to launch a community, charitable, or mission-driven organization, understanding how nonprofit tax-exempt status works is essential from the very beginning.

Nonprofit Tax-Exempt Status: How to Apply and Maintain It

Establishing and maintaining nonprofit tax-exempt status is not a simple process. From navigating federal IRS requirements to meeting state registration obligations, there are multiple steps that must be handled carefully. A lot of moving parts need to be addressed, and they are often best handled by professionals.

What Is Nonprofit Tax-Exempt Status?

Nonprofit tax-exempt status is recognition from the IRS that your organization qualifies for exemption from federal income tax under Section 501(c). The most common classification is 501(c)(3), which applies to charitable, religious, and educational organizations and allows donors to make tax-deductible contributions.

However, tax exemption is not automatic. Organizations must formally apply, receive approval, and continue meeting ongoing operational and reporting requirements to maintain compliance.

How to Apply for Nonprofit Tax-Exempt Status

IRS form 1023, Application for Recognition of Exeption Under Section 501(c)(3) of the Internal Revenue Code, is available on the IRS website. It is important to understand two basic steps for nonprofits regarding tax status: First, you need to maneuver the application process to ensure that you are categorized properly. Second, you need to learn how to maintain this tax status throughout the life of the organization so that important issues are not overlooked and money is not lost.

As an executive, you must understand these issues and ensure that your staff and board are on the same page.

Registering Your Organization at the State Level

Before applying for federal tax exemption, you must establish your organization legally within your state. You need to determine what kind of entity you are forming—such as a trust, corporation, or association—and file the appropriate organizational documents. You must also register your organization within your state and ensure proper documentation is maintained from inception.

Obtaining an Employer Identification Number (EIN)

After formation, your organization must apply for an Employer Identification Number (EIN) from the IRS. This number is required to open bank accounts, hire employees, and complete federal filings.

Choosing the Correct 501(c) Classification

One of the next hurdles is deciding whether you will establish 501(c)(3) status for a charitable, religious, or educational organization, or pursue another 501(c) classification for a different type of nonprofit. The classification you choose affects your fundraising capabilities, reporting requirements, and permissible activities.

Filing IRS Form 1023 or 1023-EZ

To receive official recognition of nonprofit tax-exempt status, most charitable organizations must complete and submit IRS Form 1023 or Form 1023-EZ. These applications require detailed disclosures about governance, financial projections, and organizational activities. Completing the correct forms and adhering to proper filing procedures is critical to avoid delays or rejection.

Federal vs. State Nonprofit Tax Requirements

For most nonprofit organizations, one of the most complicated aspects of compliance is balancing state requirements with federal guidelines for tax-exempt entities.

Federal tax-exempt status does not automatically grant state-level exemptions. Depending on your location, you may need to:

  • Apply separately for state income tax exemption
  • Register for charitable solicitation
  • File annual state reports
  • Apply for sales tax exemption

Ensuring alignment between federal IRS requirements and state regulations is essential to maintaining good standing.

Annual Filing Requirements to Maintain Tax-Exempt Status

Once your organization has secured nonprofit tax-exempt status, ongoing compliance becomes the priority.

The most important requirement for most nonprofits is filing an annual information return with the IRS. Depending on your organization’s size and revenue, this may include:

  • Form 990
  • Form 990-EZ
  • Form 990-N (e-Postcard)

The specific filing requirements vary depending on the type of organization and its financial activity. Failure to file for three consecutive years results in automatic revocation of tax-exempt status.

Although filing an annual report may sound simple, the details matter. Proper financial reporting, governance disclosures, and recordkeeping are all essential components of maintaining compliance.

Common Mistakes That Jeopardize Nonprofit Tax-Exempt Status

Maintaining nonprofit tax-exempt status requires consistent oversight. Common issues that can create risk include:

  • Missing annual filing deadlines
  • Incomplete or inaccurate Form 990 reporting
  • Poor documentation of board decisions
  • Engaging in prohibited political activity
  • Failing to monitor unrelated business income

Even small oversights can affect the long-term viability of your organization.

When to Work With a Nonprofit Tax Professional

For these and other complex reasons, it is often essential to work with an expert to help navigate both the application process and ongoing compliance requirements. While it is possible to manage these responsibilities internally, the risk of missing important steps is significant. Proper guidance can help ensure that your nonprofit tax-exempt status remains protected and that your organization is positioned for long-term success.

Nonprofit organizations are critical to our nation’s future. If you feel overwhelmed by the application process or the ongoing compliance requirements, consult the qualified professionals at Siepert & Co., LLP. We can help you apply for and maintain your tax-exempt status with confidence.