80 Ill. Adm. Code 420.700
Failure to Return from Leave of Absence
Section 420
Section 420.700Â Failure to
Return from Leave of Absence
Failure to return from a leave
of absence, extend the leave or voluntarily terminate employment within 5
working days after the expiration or termination date shall be considered
grounds for disciplinary action, up to and including discharge for job
abandonment in accordance with Section 420.430(f) and (j).