VALID › Notice Library › CP113 notice

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

CP113 notice explained, in the IRS’s own words

We made changes to your railroad retirement tax return because we believe there was a miscalculation. You now have an overpayment on your account.

Read the full CP113 page on irs.gov ↗

Quoted from www.irs.gov/individuals/understanding-your-cp113-notice, read October 15, 2026 · fingerprint c8a049e8bb09 · 1 line left out here (see irs.gov)

What this notice is about

We made changes to your railroad retirement tax return because we believe there was a miscalculation. You now have an overpayment on your account.

What you need to do

  • Read the notice carefully. It explains the changes to your tax account.
  • Compare the figures on the notice with your railroad retirement tax return.
  • If you disagree with our changes, contact us within 10 days of the date of your notice.
  • If you agree with our changes, correct the copy of your railroad retirement tax return that you kept for your records.

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

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

What should I do if I disagree with the changes you made?

Call us at the telephone number listed on your notice or write to us within 10 days of the date of the notice. We may be able to reverse the changes.

Tips for next year

Review your return for accuracy before mailing it to us.

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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