80 Ill. Adm. Code 620.980
Laid Off Probationary Employees
Section 620
Section 620.980 Laid Off
Probationary Employees
a) The name of an original entrance employee who is terminated as
a result of layoff before the completion of the probationary period shall be
returned to the eligible list with the same grade as when appointed.
b) An employee serving a probationary period subsequent to
promotion from a position in which the employee was certified who is to be laid
off shall be given notice and may request a voluntary reduction pursuant to
Sections 620.1010 or 620.1030. If no voluntary reduction is effected, the
employee will be laid off and the employee's name placed in seniority order on
the reemployment list, as provided in Section 620.310, for the department, work
location, and title in which certified.