Attn: Software Developers, Return Transmitters and Authorized IRS e-file Providers/EROs

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QuickAlerts for Tax Professionals February 16, 2021

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Subject: Unauthorized Use of an EFIN

Once you become an Authorized IRS e-file Provider and receive your Electronic Filling Identification Number (EFIN), you must abide by the policies and procedures in Publication 3112, IRS e-file Application and Participation, and Publication 1345, Handbook for Authorized IRS e-file Providers of Individual Income Tax Returns.

Providers must protect their EFINs and passwords from unauthorized use and never share them. This includes accepting payment for the use of an EFIN (e.g. renting/leasing/purchasing) and/or transferring EFINs to another entity when transferring the business by sale, gift or other disposition. In addition, when you resell software you cannot include the EFIN.

An ERO (Electronic Return Originator) must originate the electronic submission of only returns that the ERO either prepared or collected from a taxpayer.

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