@rjs wrote:
You will get more knowledgeable answers about your EFIN in the Intuit professional community.
https://proconnect.intuit.com/community/
If "EFIN" means electronic filing number, and is not a mistake for "EIN" (which we see a lot of here), I still would not let anyone else use a number that was assigned to me. They can get their own. You would basically be allowing them to sign your name to their work.
