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

CP3501 notice explained, in the IRS’s own words

Due to the high volume of responses received, we need more time to finish reviewing your response. We apologize for the delay.

Read the full CP3501 page on irs.gov ↗

Quoted from www.irs.gov/individuals/understanding-your-cp3501-notice, read October 15, 2026 · fingerprint 926562769da3 · 1 line left out here (see irs.gov)

What this notice is about

Due to the high volume of responses received, we need more time to finish reviewing your response. We apologize for the delay.

What you need to do

You do not need to do anything at this time.

Please allow 60 days for us to complete our review. If you need assistance and have not received a response within 60 days of the date printed on your notice, call us at the toll-free telephone number provided on your notice.

What you need to know

If we previously sent you a Statutory Notice of Deficiency (sent by certified mail), it lists the last day to petition the Tax Court. The court can't consider your case if you file the petition late. For more information about petitioning the Tax Court, review page 5 of Publication 3498-A, The Examination Process PDF or visit United States Tax Court.

Tips for next year

Consider filing your taxes electronically. Filing online can help you to avoid mistakes and to find credits and deductions for which you may qualify. In many cases you can file electronically for free.

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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