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Notice code 1040s (1040s) — We changed the amount of self-employment tax on line 57 of your Form 1040. Based on the information …
We changed the amount of self-employment tax on line 57 of your Form 1040. Based on the information you reported, you don’t qualify to use the optional method of computing self-employment tax on Schedule SE, Self-Employment Tax.
What to do next
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1040s
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 changed the amount of self-employment tax on line 57 of your Form 1040. Based on the information you reported, you don’t qualify to use the optional method of computing self-employment tax on Schedule SE, Self-Employment Tax.
What it usually means
1040s 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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