The CP21 notice is issued by the IRS to inform taxpayers that changes have been made to their tax account. These changes can result in a new balance due or an adjustment to the refund amount.
Key points about CP21:
- The notice details the specific changes made, including reasons for the adjustments.
- It provides instructions for addressing any balance owed or claiming an adjusted refund.
- Taxpayers are encouraged to review the notice and verify the changes.
Receiving CP21 helps taxpayers stay informed about their tax situation and ensure compliance with IRS requirements.