Ill. Admin. Code tit. 80, § 302.340
A certified employee who does not satisfactorily complete the probationary period in the position because of inability to perform the duties and responsibilities of the new promoted position may be returned to a position in the class, agency and locality and with the status from which promoted.
(Source: Amended at 48 Ill. Reg. 11318, effective July 16, 2024)