15 ILCS 510/10

Any employee subject to the jurisdiction of the Personnel Code or any employee subject to the jurisdiction of the University Civil Service System of Illinois who is an active employee and has been certified under either merit system may, with the approval of the Division, be transferred to a comparable position of employment subject to the provisions of this Code. Said employee shall retain the same status in the merit system established by this Code as held under the Personnel Code or the University Civil Service System of Illinois.