BillM223
Expert Alumni

Get your taxes done using TurboTax

"An EFIN is a number issued by the IRS to individuals or firms that have been approved as Authorized IRS e-File providers. After providers complete their e-File applications, the IRS sends an acceptance letter with the EFIN included." See this Intuit website.

 

Are you an Authorized IRS e-Filer? That would be unusual. It's companies like Intuit who are e-Filers.

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