Im trying to get a letter from a cpa or tax professional to say I worked for Doordash in 2020. How will I do that if I self prepared my own taxes?

redgeese960 · ‎February 22, 2022

I did my taxes with Turbotax self employed, how do I get a letter of proof
i worked for a Doordash in 2020 to show my re fiance company,