@Bioprof
If you are mailing in the 1040ES with a check or money order, you could simply cross out the printed amount and use a pen to write in the amount you are paying.
And of course when you complete your 2019 return, you will indicate on the return how much you actually paid when you made your estimated payments.
**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.**
