1040-US ELF: Error Code CSUS02

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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.

Error Code CSUS02: An attachment's name is invalid; the name of the attached PDF file must be less than 49 characters and must not contain 2 consecutive spaces. Rename the file and then re-select the attachment in Edit > Electronic Filing Attachments.

For instructions on properly attaching PDF files to electronic files, see Attaching Portable Document Format (PDF) files to electronic files.

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