Proposed change
What does IRS notice CP3219A mean?
The IRS proposes an adjustment and explains your right to challenge it in U.S. Tax Court. This is a rights-sensitive notice, even though it is not a bill.
Reviewed against the linked IRS guidance on October 5, 2026. This summary does not replace your own notice.
Check the date and instructions on your letter
The IRS says the Tax Court cannot consider a late petition. Check the exact deadline on your notice immediately.
Why you may have received CP3219A
You may respond to the IRS, but doing so does not extend the Tax Court petition deadline printed on your notice.
What to check now
- 1Read the proposed changes and the petition deadline on every page.
- 2Compare the IRS information with your return and supporting documents.
- 3If you disagree, consider qualified help promptly; use the notice instructions for IRS response or Tax Court petition.
Read the IRS source
The official IRS page has the full instructions, payment or verification links when applicable, and contact information. Always compare it with the version of the letter you received.
Official IRS guidance for CP3219ANeed a review of your specific facts?
IntegraFin can review the letter, relevant return, payment history, and records under an agreed scope. A website lookup cannot confirm a balance, deadline, or outcome, and requesting help does not pause the IRS process.
Request notice review