Enter the date Form TR-579-CT was signed by the electronic return originator (ERO). If this field is blank, the application defaults to the date entered in the
Signature date
field. If both fields are blank, the application will default to the
ERO signature date
field in federal Screen ELF, or the option selected in Setup, Office Configuration then Print Options,
When Form 8879 (etc.) signature date(s) (Preparer and/or Client) are not entered
checkbox.