400.21  Notice of appeal.
  If the appeal be taken by the person suspended, demoted, or discharged, notice thereof, signed by the appellant and specifying the ruling appealed from, shall be filed with the clerk of commission; if by the person making such suspension, demotion, or discharge, such notice shall also be served upon the person suspended, demoted, or discharged.
[SS15, §1056-a32; C24, 27, 31, 35, 39, §5705; C46, 50, 54, 58, 62, 66, 71, 73, §365.21; C75, 77, 79, 81, §400.21]