Notice code 606 (Default) — We didn’t allow the exemption claimed for any dependent born after December 31 of the tax year of th…

We didn’t allow the exemption claimed for any dependent born after December 31 of the tax year of the return you filed. This change may affect your taxable income, tax, or any of the following credits: - Credit for Child & Dependent Care Expenses -Child Tax Credit - Additional Child Tax Credit

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What the IRS language says

We didn’t allow the exemption claimed for any dependent born after December 31 of the tax year of the return you filed. This change may affect your taxable income, tax, or any of the following credits: - Credit for Child & Dependent Care Expenses -Child Tax Credit - Additional Child Tax Credit