The Civil Service Board may, by its rules, provide for transfers of officers and employees in the classified service from positions in one office or department to positions of the same class and grade in another office or department.
70 ILCS 1215/12
The Civil Service Board may, by its rules, provide for transfers of officers and employees in the classified service from positions in one office or department to positions of the same class and grade in another office or department.
70 ILCS 1215/12