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Deductions & credits
TT stands by its calculations.
9021– Reference Code for all math error conditions.
This is a bit of a misnomer, since the IRS considers it to be a "math error" if you make a data entry mistake, or forget to claim some income; and thus the refund amount is incorrectly calculated.. The IRS will be sending you a letter explaining the change. They do not notify TT.
March 7, 2021
3:18 PM