1120 - US ELF: General electronic filing information (including error codes [business rules])

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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.

The following resources contain general information and supplemental documentation pertaining to 1120 Corporate electronic filing.

Form 1120 / 1120S / 1120-F e-file - IRS resource page that contains useful information regarding 1120 Corporation electronic filing.

Publication 4163, (Modernized e-File (MeF) Information for Authorized IRS e-file Providers and Large Taxpayers - Contains general information about the 1120 Corporate MeF Program for the current tax year.

Valid XML Schemas and Business Rules for 1120, 1120S, 1120-F and 7004 Modernized e-File (MeF) - Contains links to several years' "schemas," or e-file standards, published by the IRS. Click the appropriate links to view the release memo, schemas, or business rules.

MeF Status Page - Provides a range of Modernized e-file (MeF) statistics and warns of any processing problems currently affecting the MeF system.

Electronic Federal Tax Payment System (EFTPS) General Information - The EFTPS system allows taxpayers to establish an electronic payment method for Federal tax payments. 

Accepted Forms and Schedules for 1120 e-file - Provides a comprehensive list of all 1120 Forms and Schedules accepted with an 1120 e-file.

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