5500 - US ELF: Error Code CSISU01

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Change to CS Support service hours

Our Support department is closed on [[date]]. However, limited UltraTax CS phone support is available on that date from 9 AM - 5 PM ET due to the approaching deadline.

Links to our most popular tax processing topics are available in the Alerts and notices section on the right side of most pages.

You must use the following attachment title for the attached, signed Form 5500 / 5500-SF, Pages 1 and 2: "Manually signed form 5500 or 5500-SF under e-signature option for service providers." If you use the "Other Attachment" title, the return will generate Error CSIUS01 while the e-file is being created in UltraTax CS.

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