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What to Do If Your Determination Letter Has an Error or the Wrong Effective Date

Your IRS determination letter proves your 501(c)(3) status to donors, grant makers, and state agencies — so a misspelled name, wrong EIN, or off effective date is worth fixing. Here's what each error can mean, and how to correct it.

Posted byPatience Booker
September 11, 2026
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Workflow of the IRS Modernized e-File (MeF) system

IRS-Approved E-File Software for Tax Preparers: Why IRS Authorization Matters

If you’re a CPA, an enrolled agent, or a paid preparer shopping for IRS approved software for tax preparers, you’ve probably seen the phrase “IRS-approved” or “IRS-authorized e-file provider” on...

Posted byAbhi Kolli
September 11, 2026
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Form 990-T Supplemental Forms: Form 4562, 4797, 8949, 8995 and 3800 Explained

Form 990-T rarely stands alone. Here's a plain-English breakdown of the five supplemental forms — 4562, 4797, 8949, 8995, and 3800 — that most often accompany it, and when each one applies.

Posted byPatience Booker
September 9, 2026
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501(c)(3) vs. Other 501(c) and 509 Classifications: Which Fits Your Organization?

Not every tax-exempt organization is a 501(c)(3) — here's how the IRS classifications differ, and why choosing the right one protects an organization's mission long after the application is filed.

Posted byPatience Booker
September 4, 2026
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How to Complete the Balance Sheet on Form 990-PF

Form 990-PF's Balance Sheet asks private foundations for a detailed look at assets, liabilities, and net assets — at both book and fair market value. Here's how Part II breaks down, line by line, and what determines which columns your foundation needs to complete.

Posted byPatience Booker
September 2, 2026
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Form 990 Deadlines: The Complete Guide for Nonprofits and Tax Professionals

Every Form 990 series deadline explained in one place: how the due date is set, which form to file, how extensions work, what happens if you miss it, and a board-ready checklist to get filed with confidence.

Posted byCharles Hardy
August 28, 2026
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2026 Nonprofit Webinars You Won’t Want To Miss

Tax990's latest webinar learning opportunities for nonprofits.

Posted byPatience Booker
August 28, 2026
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IRS Form 1024: Who Files It, and How to Apply for Recognition of Exemption

If your organization falls outside 501(c)(3) and 501(c)(4), Form 1024 — not Form 1023 — is your path to IRS-recognized tax-exempt status. Here's what it covers and how to file. Want me to adjust length, tone, or pull a different angle (e.g., leading with the determination letter's practical value for donors/funders rather than the form mechanics)?

Posted byPatience Booker
August 27, 2026
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Form 8050: What It Is and How It Works For Nonprofit Filers

A paper refund check can take weeks to arrive, and it can get lost or misdirected along the way. Form 8050 gives eligible nonprofits and other exempt filers a faster alternative: direct deposit straight from the IRS, with no cap on the refund amount. Here's what the form covers, who qualifies, and how to get it filed correctly.

Posted byPatience Booker
August 25, 2026
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Copy Prior Year 990 Data Into Your Current Return, No Matter Where You Filed

Tax990's Copy Prior Year Data feature brings last year's Form 990, 990-EZ, or 990-PF information onto your current return, even if you filed with a different provider. Here's exactly what copies over, what you get to choose, and how the process works.

Posted byPatience Booker
August 19, 2026
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