IRS / Tax Error Code

CP2000 | Underreporter notice (income mismatch)

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IRS / Tax

Canonical

/irs-tax/error-codes/cp2000-notice/

Last Updated

Apr 16, 2026

Summary

CP2000 is an IRS notice proposing changes because IRS records (W-2/1099) do not match what was reported on your return.

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What This Code Means

CP2000 is an IRS notice proposing changes because IRS records (W-2/1099) do not match what was reported on your return.

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