1120-US ELF: Error Code F1120S-239-01

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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.

Error Code F1120S-239-01: Filer's TIN and Name Control in the Return Header must match data in the e-File database unless Form 1120S, Item H (2), checkbox "Name Change" is checked.

To resolve this error, verify the following:

If the name control is not being forced and the Employer Identification Number (EIN) is correct, call the IRS Help Desk at (866) 255-0654 and have them verify the client's EIN.

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