1041-US ELF: Error Code R0000-901-01

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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 R0000-901-01: Filers EIN and Name Control in the Return Header must match data in the e-file database.


The IRS 1041 electronic filing program requires a name control for the estate or trust. Check the following:

If the name control and EIN are correct, call the IRS Business and Specialty Tax line at 800-829-4933 to verify the EIN. 

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