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Form 990 Instructions: Which Version to File, the Schedules, Public Disclosure

By The Ledgerism Editorial Team · The Ledgerism Brief Editorial Team produces original, methodology-disclosed accounting and tax research—data trackers, databases, and reference guides built to be the most-cited source in the field. Every figure is verified against primary sources including FASB, the IRS, the PCAOB, NASBA, the AICPA, and state boards of accountancy.

The Form 990 instructions decide which version of the annual return a tax-exempt organization must file, and getting the choice wrong can cost an organization its exempt status. The form runs from a one-screen e-Postcard for the smallest charities to a long return with more than a dozen schedules. The dividing lines are gross receipts and total assets.

What is Form 990?

Form 990, “Return of Organization Exempt From Income Tax,” is the annual information return most tax-exempt organizations file with the IRS under Internal Revenue Code section 6033. It is not a tax return in the ordinary sense; an exempt charity usually owes no income tax. It is a disclosure document. The IRS uses it to confirm the organization still qualifies for exemption, and the public uses it to see how a nonprofit raises and spends money, because Form 990 is a public document.

The return reports revenue, expenses, assets, liabilities, program accomplishments, governance practices, and the compensation of officers, directors, trustees, and key employees. It is filed by organizations exempt under section 501(a), which includes the charities described in section 501(c)(3) as well as many other categories such as social welfare organizations, business leagues, and labor unions.

The “990 series” is really four forms: the full Form 990, the shorter Form 990-EZ, the postcard-length Form 990-N, and the separate Form 990-PF for private foundations. Private foundations always file the 990-PF regardless of size, so the size-based choice below applies to public charities and other exempt organizations, not foundations.

Who must file

Most organizations recognized as tax-exempt under section 501(a) must file annually. There are notable exceptions. Churches and certain church-affiliated organizations are not required to file, nor are most governmental units and certain state institutions. Organizations whose exemption is still pending may have a filing obligation depending on timing.

For organizations that must file, the form is chosen by size. The smallest organizations, with gross receipts normally $50,000 or less, file Form 990-N, the electronic e-Postcard. The “normally” test averages gross receipts over the current and two prior years, so a single high year does not necessarily force a larger form. Form 990-N collects only basic identifying information: legal name, address, employer identification number, tax year, a confirmation that gross receipts are still $50,000 or less, and the name and address of a principal officer.

Organizations above that line but still small file Form 990-EZ if they meet both tests: gross receipts less than $200,000 and total assets less than $500,000 at year-end. Everything larger files the full Form 990. An organization may always file a more complete form than required; a 990-N filer can choose to file the 990-EZ or full 990, which some do to present a fuller public record.

Whether an organization also needs an audited financial statement is a separate question driven by state charity law, grant requirements, and total revenue, not by the Form 990 tier. Many nonprofits cross into audit territory at the same time they begin spending federal money and face a single audit under Uniform Guidance. For a broader grounding in nonprofit financial reporting and the standards that surround the Form 990, our accounting learning hub collects the related topics.

One more category deserves mention: organizations that lose their exemption and later regain it. After automatic revocation, an organization that is reinstated must resume the same size-based filing it would otherwise have used, and it cannot revert to a smaller form merely because it stopped filing. The IRS treats the size tests as ongoing, year by year, so an organization that grows past $50,000 in normalized gross receipts must move off the e-Postcard even if it filed the e-Postcard the year before.

How it works: the mechanics

The full Form 990 has a 12-part core return plus up to 16 schedules. The core return covers a summary page, a statement of program service accomplishments, a governance section, compensation, revenue, functional expenses, the balance sheet, and reconciliation. The functional expense statement (Part IX) splits costs into program services, management and general, and fundraising, the three categories charity raters scrutinize.

The accounting method an organization reports on Form 990 generally follows the method it uses to keep its books, whether cash or accrual. The difference matters for how revenue and pledges land on the return. For the underlying distinction, see cash versus accrual accounting. Organizations with audited financial statements usually report on the accrual basis to match the audit.

The schedules attach based on triggering questions in Part IV of the core form. The most common are:

Schedule A, required of every section 501(c)(3) public charity, establishes public charity status and runs the public support test. A charity must show it is broadly supported by the public rather than by a few donors; failing the test over time can reclassify it as a private foundation. Schedule B reports substantial contributors, generally those giving $5,000 or more, though section 501(c)(3) public charities and most others can use a percentage-of-support test. The IRS removed the donor-name disclosure requirement for many non-charitable organizations in 2020 regulations, but section 501(c)(3) organizations still report contributor names to the IRS, even though that part of Schedule B is not made public. Schedule O is the narrative schedule used to answer questions that require explanation and to provide required descriptions, including the description of how the governing body reviewed the Form 990.

Other schedules cover political and lobbying activity (Schedule C), supplemental financial statements (Schedule D), foreign activities (Schedule F), fundraising and gaming (Schedule G), grants (Schedules I and F), compensation detail (Schedule J), tax-exempt bonds (Schedule K), transactions with interested persons (Schedule L), noncash contributions (Schedule M), and related organizations (Schedule R).

All Forms 990, 990-EZ, 990-PF, and 990-N must be filed electronically. The Taxpayer First Act of 2019 eliminated paper filing for these returns for tax years beginning after July 1, 2019.

The functional expense allocation in Part IX is worth a closer look because it shapes how the public judges a charity. Every expense, salaries, rent, professional fees, supplies, must be split across three columns: program services, management and general, and fundraising. Watchdog groups and many donors compute a “program expense ratio” from those columns, so the allocation method an organization uses, whether by time studies, square footage, or headcount, has real reputational stakes. The Form 990 instructions require the method to be reasonable and consistently applied, and an organization that dumps shared costs into program services to inflate its ratio risks both donor distrust and IRS questions.

A second area that draws scrutiny is the governance section in Part VI. It asks whether the organization has a conflict-of-interest policy, a whistleblower policy, and a document retention policy, and whether the board reviewed the Form 990 before filing. None of these are strictly required by the Internal Revenue Code, but the IRS asks because governance correlates with compliance. A charity that answers “no” across Part VI signals weaker oversight, and that pattern can raise its examination risk even though no single “no” is itself a violation.

Which form to file

Worked example

Assume the Lakeside Arts Alliance, a calendar-year section 501(c)(3) public charity, is deciding which return to file for 2025. Its books show gross receipts of $230,000 and total assets at December 31 of $410,000.

Start with Form 990-N: gross receipts of $230,000 far exceed $50,000, so the e-Postcard is off the table. Next, Form 990-EZ requires gross receipts under $200,000 and assets under $500,000. Assets of $410,000 pass, but gross receipts of $230,000 exceed the $200,000 ceiling, so the EZ is unavailable. The Alliance must file the full Form 990.

Because it is a section 501(c)(3) public charity, it must also attach Schedule A and complete the public support test. It received $40,000 in 2025 from a single foundation, which exceeds the $5,000 contributor floor, so Schedule B is in play, and that gift will also factor into whether any one donor’s support is so large it threatens the public support percentage. It uses Schedule O to describe its program accomplishments narrative and to confirm that its board reviewed the completed return before filing. The return is due May 15, 2026. If the Alliance needs more time, it files Form 8868 for an automatic six-month extension to November 15, 2026.

Recent changes 2024 to 2026

Electronic filing is now mandatory across the entire series, the lasting effect of the Taxpayer First Act. The IRS no longer accepts paper 990, 990-EZ, 990-PF, or 990-N filings, and continues to retire legacy paper processing.

The dollar thresholds for the form tiers, $50,000 for 990-N and the $200,000 and $500,000 limits for 990-EZ, have held steady and remain in force for 2025 returns filed in 2026. The Schedule B donor-disclosure rules settled after the 2020 final regulations and the Supreme Court’s 2021 decision in Americans for Prosperity Foundation v. Bonta, which struck down California’s blanket demand for donor lists; section 501(c)(3) organizations still report contributor names to the IRS, but the IRS continues to redact that information from the public copy.

Automatic revocation under section 6033(j), added by the Pension Protection Act of 2006, remains the single biggest compliance risk. The IRS publishes an Auto-Revocation List, and reinstatement requires a new application on Form 1023 or 1024 plus, in many cases, a reasonable-cause statement.

Reinstatement has its own structure worth understanding. Revenue Procedure 2014-11 created four paths back to exemption. A small organization eligible to file the 990-N or 990-EZ can use a simplified path with no reasonable-cause requirement if it applies within 15 months of revocation. Larger organizations, or those applying later, must provide a reasonable-cause statement explaining the failure for one or all three years, and may request that reinstatement be retroactive to the revocation date. The choice of path affects whether the organization owes tax for the gap period, so an organization that has been revoked should match its facts to the right procedure before reapplying rather than simply refiling.

Common pitfalls

• Treating Form 990-N as optional. A small charity that skips the e-Postcard for three consecutive years loses its exemption automatically under IRC section 6033(j), the same as a large filer that never files.
• Choosing the form on a single year’s receipts. The 990-N test uses gross receipts “normally” $50,000 or less, averaged over three years; one big grant year does not automatically push an organization off the e-Postcard.
• Using net rather than gross figures. The thresholds are based on gross receipts and total assets, not net revenue, per the Form 990-EZ instructions. Netting events or investment activity understates gross receipts and can lead to the wrong form.
• Missing Schedule A or failing the public support test. Every section 501(c)(3) public charity must complete Schedule A; falling below the public support percentage over the testing period can reclassify the charity as a private foundation.
• Making Schedule B public. Contributor names reported to the IRS on Schedule B are not part of the public inspection copy for most filers; releasing them can breach donor confidentiality. Conversely, redacting required public portions of the rest of the return is also an error.
• Missing the May 15 deadline without filing Form 8868. The return is due the 15th day of the 5th month after year-end; the extension is automatic only if Form 8868 is filed on time.
• Leaving the governance and compensation questions inconsistent. Part VI governance answers and Part VII compensation figures are cross-checked by reviewers and watchdogs, and inconsistencies draw scrutiny.

Frequently asked questions

Which Form 990 should a small nonprofit file?

An organization with gross receipts normally $50,000 or less files Form 990-N, the e-Postcard. If gross receipts are under $200,000 and assets under $500,000, it files Form 990-EZ. Anything larger files the full Form 990.

When is Form 990 due?

The 15th day of the 5th month after the organization’s accounting period ends. For a calendar-year organization that is May 15. A six-month extension is available by filing Form 8868.

Is Form 990 public?

Yes. Tax-exempt organizations must make their three most recent Forms 990 available for public inspection, and the IRS releases them. Contributor names on Schedule B are redacted from the public copy for most filers.

What happens if an organization does not file?

Failure to file for three consecutive years results in automatic revocation of tax-exempt status under IRC section 6033(j). Reinstatement requires reapplying on Form 1023 or 1024.

What is Schedule A for?

Schedule A establishes a section 501(c)(3) organization’s public charity status and runs the public support test, which confirms the charity is supported broadly by the public rather than by a small number of donors.

Do churches file Form 990?

No. Churches, certain church-affiliated organizations, and most governmental units are exempt from the Form 990 filing requirement, though they may file voluntarily.

Can an organization file a larger form than required?

Yes. A 990-N filer may file Form 990-EZ or the full Form 990, and a 990-EZ filer may file the full 990. Some do so to present a more complete public record.

Must Form 990 be filed electronically?

Yes. The Taxpayer First Act made electronic filing mandatory for the entire 990 series for tax years beginning after July 1, 2019. Paper filing is no longer accepted.

Is the threshold based on revenue or assets?

Both. Form 990-N uses gross receipts only. Form 990-EZ uses two tests, gross receipts under $200,000 and total assets under $500,000; crossing either pushes the organization to the full Form 990.