1040-US ELF: Error Code F2106-001-01

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MFA required for electronic filing

Effective May 3rd, the 2017 version of UltraTax CS requires multi-factor authentication (MFA) to 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.

Error Code F2106-001-01: Form 2106, 'SSN' provided must be equal to the 'PrimarySSN' or the 'SpouseSSN' in the Return Header.

A maximum of two Forms 2106 may be present per individual (primary or secondary) on the return. SSN of Taxpayer with Employee Business Expense of each Form 2106 must be significant and must equal the appropriate SSN, either Primary SSN or Secondary SSN of Form 1040.

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