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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 CSUS01: An invalid attachment source exists; review attachments in Edit > Electronic Filing Attachments.
The following may cause this error.
- The PDF file was renamed or moved to a different file location. Delete and re-attach the file in the Electronic Filing Attachments Dialog,
- For consolidated clients prepared in UltraTax CS, verify all subsidiary and elimination clients are selected under File > Print Returns > Clients.
For instructions on properly attaching PDF files and file limitations, see Attaching Portable Document Format (PDF) files to electronic files.