2-18-1012. Grievance procedure. If, upon the preponderance of the evidence taken at the hearing, the board is of the opinion that the employee is aggrieved, it may issue an order to the appropriate agency or agencies of state government to require an action to resolve the employee's grievance. In a hearing, the board is not bound by statutory or common-law rules of evidence. The hearing may be conducted by telephone or by videoconference.