Found 2 Matching Items; Displaying 1 - 2.
Understanding your CP173 notice
You received this notice because, according to our calculations, you didn't prepay enough of your tax through estimated tax payments, or didn't make them on time. The notice tells you we assessed a penalty for failure to make sufficient timely estimated tax payments.
General Information
Understanding your CP45 notice
We were unable to apply your overpayment to your estimated tax as you requested.
General Information