File on paper using the 2020 forms -------- manually cross off the "20" dates and replace them with a 21

Yes... paper.

Do what Jeff says - be SURE to make any necessary depreciation adjustments manually.

"..I had to get rid of the turtles - they kept running away".

Wait, aren't you a coyote?  That's just sad, on many levels 🤣

All of those years trying to catch a single roadrunner broke me.  

🤗