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Notice code 451Z (1040NR-EZ) — We allowed your personal exemption amount on line 13 of your Form 1040NR-EZ and changed your tax. Yo…
We allowed your personal exemption amount on line 13 of your Form 1040NR-EZ and changed your tax. You indicated that you were claimed on another person’s tax return or failed to claim your personal exemption. You can’t be claimed on another person’s tax return if you file Form 1040NR-EZ.
What to do next
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451Z
Read the notice carefully and note any deadline. Gather returns, notices, and payment records. Book a free strategy session before responding if the amount is large, unclear, or collection language appears.
What the IRS language says
We allowed your personal exemption amount on line 13 of your Form 1040NR-EZ and changed your tax. You indicated that you were claimed on another person’s tax return or failed to claim your personal exemption. You can’t be claimed on another person’s tax return if you file Form 1040NR-EZ.
What it usually means
451Z is in our IR Manual catalog. Official wording is dense — we translate it for business owners and individuals and map realistic next steps.
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