CP 22A - Data Processing Adjustment Notice, Balance Due of $5 or More

The IRS notice "CP22A" informs the taxpayer that the IRS has made changes to their return based upon the information the taxpayer has provided. Due to these changes, additional taxes are now due. 

Receiving a notice from the IRS can be unsettling, especially if you’re unsure why it was sent. Notice CP22A informs taxpayers that changes have been made to their tax return, often resulting in an additional balance owed. Understanding this notice helps prevent penalties and ensures compliance with tax obligations.

If you’ve received CP22A, reviewing the details and taking appropriate action is essential. Understanding the changes outlined in Notice CP22A helps determine their impact on your tax situation. The notice details the adjustments, including which figures were modified and the resulting balance due. Reviewing each line item ensures the IRS’s calculations align with your records. If the adjustment involves additional tax owed, verify whether the IRS applied the correct tax rate based on your filing status and income bracket. 

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IRS ref: https://www.irs.gov/individuals/understanding-your-cp22a-notice