CP11 — Adjusted Refund Notice
What This Notice Means
The IRS changed your tax return and reduced your refund (or created a balance due). They found a math error or an issue with a credit you claimed.
Respond by this deadline to resolve the issue and avoid additional penalties.
What to Do
- 1
Review the changes the IRS made to your return
- 2
If you agree, no action is needed (your refund will be reduced or you owe)
- 3
If you disagree, call or write the IRS with documentation supporting your original figures
- 4
File Form 1040-X if you need to formally amend your return
Guides That Can Help
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$250 / 30 min
Credited toward your account if you retain us.
Book & Pay — $250 →Prefer to talk first? Call 914-214-9127