And....does the IRS say you did not file for 2018---or that you did not pay your tax due for 2018? If they are saying you did not pay the tax you owed, then your only proof that you paid will be your own bank or credit card statements showing the payment.
**Disclaimer: Every effort has been made to offer the most correct information possible. The poster disclaims any legal responsibility for the accuracy of the information that is contained in this post.**
