Header-00040-011 e-file error
This error occurs when e-filing a Maryland 1120 return because the
Tax Year Ending Date
isn't set to the last day of the month.Error message
Header-00040-011: Tax Year Ending Date - day (DD) must be last day of the month in which the tax year ends.
Solution
- Go to .
- Set theFiscal Year Endingdate to the last day of the month.
- Maryland's e-file system only accepts dates in this format, even if it doesn't match the Federal return.
- If you can't change the date, paper file the return instead.
note
Maryland only accepts e-filed returns for tax years that begin on the 1st day of a month and end on the last day of a month. Returns that don't meet these requirements must be paper filed.