80 Ill. Adm. Code 620.1110
Resignation
Section 620
Section 620.1110 Resignation
An employee who voluntarily
leaves the Office of the Treasurer shall, except in emergency circumstances
approved by the Director, give advance notice of intent not less than fifteen
(15) calendar days before its effective date. Resignation in standing shall
mean that the employee gave the required notice, or that emergency
circumstances justified failure to do so, and that the employee's conduct and
work performance were satisfactory at the effective date thereof.