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Preparers must apply to obtain an Electronic Filing Identification Number (EFIN) and become an Authorized e-file Provider. This application can be completed online through the IRS e-Services website.

If you need assistance, please call the IRS e-help Desk number, which is specifically for electronic filing issues: 1-866-255-0654 (toll free), (if outside of the 50 U.S. states or U.S. territories, call the international phone number: 1-512-416-7750).

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