After you file

And...you will have to mail your amended 2021 return.  Use a mailing service that will track it and give you confirmation that it is received because you will have a long wait  (four to six months-- or more)  for it to be processed.

 

  You can watch for information here:

https://www.irs.gov/Filing/Individuals/Amended-Returns-(Form-1040-X)/Wheres-My-Amended-Return-1

 

**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.**