IRS Letters and Forms
Notice code 110

Notice code 110 (Default) — We changed your filing status. We refigured your tax using the Single filing status. You can’t quali…

We changed your filing status. We refigured your tax using the Single filing status. You can’t qualify for Head of Household filing status when you are claimed as a dependent on another person’s tax return.

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110

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 your filing status. We refigured your tax using the Single filing status. You can’t qualify for Head of Household filing status when you are claimed as a dependent on another person’s tax return.

What it usually means

110 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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