VALID › Notice Library › CP131 notice

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

CP131 notice explained, in the IRS’s own words

We made changes to your tax return because we believe there's a miscalculation on your return. As a result of these changes, you don't owe us any money, nor are you due a refund.

Read the full CP131 page on irs.gov ↗

Quoted from www.irs.gov/individuals/understanding-your-cp131-notice, read October 15, 2026 · fingerprint 9f648be6fd3c · 1 line left out here (see irs.gov)

What this notice is about

We made changes to your tax return because we believe there's a miscalculation on your return. As a result of these changes, you don't owe us any money, nor are you due a refund.

What you need to do

  • Read the notice carefully. It will explain the changes we made.
  • Compare the figures on the notice to the information on your tax return.
  • If you agree with the changes we made, you don’t need to respond to this notice. Correct the copy of your tax return that you kept for your records.
  • We reduced your account balance to zero because the amount owed was so small. Please don’t send a payment.
  • If you don’t agree with the changes, contact us within 10 days from the date of your notice by calling the toll-free number listed on your notice or by mailing the completed contact stub with any correspondence or documentation.

How can I find out what caused my tax return to change?

Call us at the toll-free number listed on your notice for specific information about your tax return.

Where can I get forms and instructions?

Visit Forms, instructions and publications or call 800-TAX-FORM (800-829-3676).

Tips for next year

  • Refer to the instructions for your tax return for required documentation and how to complete your return. Attach all required forms and schedules to your tax return when filing.
  • Consider filing your taxes electronically.

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.

Related CP notices

Free · one field

Get your January tax-season checklist

One email in January with what changed for this tax season, what papers to gather, and when to bring in a licensed CPA. Then about once a month, when new checked rules open.

By joining you agree to emails about VALID, about one a month. Unsubscribe any time. We never ask for tax information. Privacy

Ask VALID