Understanding your CP231 notice

What this notice is about

Your refund check was returned to us as undeliverable.

What you need to do

Update your address, so we can resend your check by:

• Completing Form 8822-B and uploading it to the Document Upload Tool. To use the tool, visit IRS.gov/DUTReply and enter access code 254b8-568l8, or
• Call us at 800-829-0115

Additional information

Find related resources at:

IRS.gov/F8822B

IRS.gov/AddressChange

IRS.gov/Refunds