Why are you asking about amending 2020 already? If you e-filed it is still in pending right now and has neither been accepted nor rejected. If you e-filed and made a mistake, you might get lucky--so to speak-- and your return could be rejected. The IRS will begin to reject/accept returns at the end of January. Watch your emails. If it rejects you will be able to fix the mistake and re-file. If it is accepted with mistakes then it may need to be amended later on. Don't panic yet. Wait and see what happens when the IRS tells you if it is accepted.
Meanwhile, do not do anything to the return. Do not try to change anything. Changes do not go to a return that is pending.
**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.**
