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In the IRS’s own words · not reviewed by VALID

CP259D notice explained, in the IRS’s own words

Our records indicate you did not file a required Form 990-T, Exempt Organization Business Income Tax Return.

Read the full CP259D page on irs.gov ↗

Quoted from www.irs.gov/individuals/understanding-your-cp259d-notice, read October 15, 2026 · fingerprint a79d3cb832f5 · 1 line left out here (see irs.gov)

What this notice is about

Our records indicate you did not file a required Form 990-T, Exempt Organization Business Income Tax Return.

What you need to do

  • Disregard this notice if you have filed the return within the last four weeks using the same name and EIN listed on the notice.
  • Otherwise, file your required Form 990-T immediately according to the instructions on the notice.
  • If you don't think you need to file, complete the Response Form enclosed with your notice and either:
  • Mail it to us using the envelope provided, or
  • Fax it to the fax number in the notice using either a fax machine or an online fax service. Protect yourself when sending digital data by understanding the fax service’s privacy and security policies.
  • If you filed more than four weeks ago or used a different name or EIN, complete the Response Form enclosed with your notice and mail it to us in the envelope provided along with a signed and dated copy of the return.

You may want to

  • Review the filing requirements for your organization at Tax Information for Charities & Other Nonprofits.
  • Review additional material that may be helpful to you:
  • Publication 557, Tax-Exempt Status for Your Organization
  • Compliance guides for tax-exempt organizations:
  • Publication 4221-PC,
  • Publication 4221-PF PDF, and
  • Publication 4221-NC PDF
  • Form 990-T, Exempt Organization Business Income Tax Return
  • Unrelated Business Income Tax (UBIT) Returns
  • Special UBIT Rules for Organizations

Who must file a Form 990-T?

A list of other entities who must file Form 990-T is shown in the Who Must File section of the General Instructions of Form 990-T PDF.

When is the Form 990-T due?

For an employees' trust defined in section 401(a), an IRA (including SEPs and SIMPLEs), a Roth IRA, a Coverdell ESA, or an Archer MSA, the Form 990-T is due by the 15th day of the 4th month after the end of its tax year. All other organizations must file Form 990-T by the 15th day of the 5th month after the end of their tax year. If any due date falls on a Saturday, Sunday, or legal holiday, the organization can file the return on the next business day.

Can I get help over the phone?

If you have questions and/or need help completing this form, please call 877-829-5500. Personal assistance is available Monday through Friday, 7 a.m. to 7 p.m. CT.

Where can I go for more information about tax-exempt organizations?

For more information on tax-exempt organizations see Tax Information for Charities & Other Nonprofits.

Tips for next year

Review the information for Unrelated Business Income Tax.

What to do next

  • Write down the date on the letter today.
  • Look the number up on irs.gov yourself. Don’t trust a link or phone number from anyone else.
  • If it says you owe money or proposes changes to your return, take it to a licensed CPA, EA or tax attorney before that date.

Not advice. Not a filing. Verify with a licensed professional. Rules change by year and facts.

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