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Notice code 340N
Notice code 340N (1040NR) — We did not allow the Child tax credit Form 1040NR line 49 or Additional child tax credit Form 1040NR…
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340N
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 did not allow the Child tax credit Form 1040NR line 49 or Additional child tax credit Form 1040NR line 64 for any dependent who did not meet the substantial presence test. We have adjusted your return accordingly.
What it usually means
340N 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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