1120-US ELF: IRS publications for electronic filing (FAQ)

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MFA required for electronic filing

Effective May 3rd, the 2017 version of UltraTax CS requires multi-factor authentication (MFA) to transmit e-files from CS Connect. Find out more.

Question

Which IRS publications should I review for UltraTax/1120 electronic filing?

Answer

IRS Publication 4163, Modernized e-File (MeF) Information for Authorized IRS e-file Providers for Business Returns: Describes which returns are not eligible for electronic filing, electronic filing due dates, electronic funds withdrawal, signature options, and IRS Business Rules (error codes).

IRS Publication 4164, Modernized e-File Guide for Software Developers and Transmitters: Describes which forms can be electronically filed, binary attachments, schema structure, transmission methods, acknowledgements, and business name control requirements.

To access these IRS publications, see Accessing IRS publications.

Related topic: 1120-US ELF: Electronic filing FAQs

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