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Identity/Refund Delay Urgency: Medium

IRS Notice CP54B Guide

Verified Response Guide for Taxpayers

How to respond to IRS CP54B?

To respond to a CP54B, you must provide a copy of your Social Security card or ITIN to resolve an identity mismatch. The IRS is holding your refund because the ID number on your return does not match their records.

Next Steps to Resolve:

  • Verify the SSN/ITIN on your return
  • Provide a copy of your official ID
  • Mail documents with the response stub
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Official Resource: View original notice details on the IRS.gov website.

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Related IRS Guides:

CP501 Guide LTR531 Guide LTR525 Guide