CSUS000 e-file error

The CSUS000 error code is assigned to a general category of errors that follow a format. Generally, the error will reference an invalid element.

The element referenced in the error is the data you need to correct. The precise solution depends on the message you receive.

Solution

If the element referenced is a PDF attachment:

Remove punctuation in the PDF filename.

Keep the PDF file name to under 15 characters.

Rename PDF files that share the same name.

Recreate and retransmit the return.

If the element referenced relates to efast.gov:

Go to the ELF screen.

Open the Edit menu and select Delete Screen Data.

Manually re-enter the information on this screen. Do not copy and paste information onto the screen.

Recreate and retransmit the return.

For all other elements referenced:

Identify the element. Other common elements are ZIP codes, plan numbers, and dates.

Check for typos, extra numbers/letters, and extra spaces at the end of an entry.

Check for form overrides.

Recreate and retransmit the return.