1040 - US ELF: Error Code FW2-010

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MFA required for electronic filing

Effective May 3rd, the 2017 version of UltraTax CS requires multi-factor authentication (MFA) to access the electronic filing transmission feature in CS Connect.

Thomson Reuters is committed to proactively evolving our security features to help you protect your firm and your clients' data. For more information about multi-factor authentication, see Multi-factor authentication overview.

FW2-010: The IRS requires that Form W-2, State ID Number be completed when Box 16 State Wages are present.


A state ID number must be entered in the State ID number field in Screen W2, located in the Income folder, for the applicable state with state wages.

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