80 Ill. Adm. Code 620.830
Employee Obligations
Section 620
Section 620.830 Employee
Obligations
Upon receipt by the employee of
the approved statement of reasons for demotion or upon the effective date
thereof, whichever is later, the employee shall leave the position in which
assigned prior to such statement of reasons and report for duty to the position
to which demoted without prejudice to the right to appeal under Section
620.860.