After you file

The Recovery rebate credit is new for 2020.  Do you need a copy of your 2019 return?

 

Access a prior year online return

https://ttlc.intuit.com/community/prior-year-return/help/how-do-i-access-my-prior-year-return/00/270...

 

To access a prior year you may have to start a 2020 return in that account for the menu to open up.  Just enter some basic info.