CP 11A - Changes to Tax Return and EIC, Balance Due

The IRS letter "CP11A" means that IRS has adjusted your tax return including the Earned Income Credit (EIC) and there is a balance due because of the adjustment. The notice explains the changes to the tax return and the EIC.

If you do not agree with the change, call or write to the IRS at the phone number or address given in the header of the notice.

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IRS Ref: https://www.irs.gov/pub/notices/CP11A.pdf