After you file


@Miketoyota  wrote:

I did all that then says date is wrong won’t let me efile 


If you have taxes owed on the 2020 amended tax return you need to enter a date on or before April 15, 2021.  You will have to pay the taxes owed with a check included with the mailed amended return.

Or you can use the IRS payment website - https://www.irs.gov/payments