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Notice code 172
Notice code 172 (Default) — We didn’t allow the amount claimed as Archer MSA on page 1 of your return because Form 8853 was inco…
What this IRS notice code means, and what to check before you reply.
What to do next
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172
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 didn’t allow the amount claimed as Archer MSA on page 1 of your return because Form 8853 was incomplete or not attached to your tax return.
What it usually means
172 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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