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Severity: Low

IRS Notice CP01B: Identity Theft — Tax Account Not Affected

The IRS resolved an identity-theft concern and your account was not affected.

Response deadline
No response required
Category
Identity & Security
Severity
Low

What does an IRS CP01B notice mean?

A CP01B confirms that the IRS reviewed an identity-theft concern related to your account and determined that your tax account was not affected. It is a reassurance notice indicating the matter has been resolved without harm to your records.

Why did you receive a CP01B?

You or the IRS raised an identity-theft flag, and after investigation the IRS concluded your tax account remained secure.

How to respond to a CP01B notice

No action is required. Keep the notice for your records as documentation that the issue was reviewed and closed.

What happens if you ignore it?

Nothing negative results. The notice is informational and closes out the concern.

Common resolutions

  • No action needed

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For informational purposes only. Not legal, tax, or medical advice.

IRS Notice CP01B: Identity Theft — Tax Account Not Affected — What It Means & How to Respond