The term "administrative decision" is defined as in Section 3-101 of the Code of Civil Procedure.
20 ILCS 415/11a
All final administrative decisions of the Civil Service Commission hereunder shall be subject to judicial review pursuant to the provisions of the Administrative Review Law, as heretofore or hereafter amended
Known as the Personnel Code
The act spans §§ 20-415-1 to 20-415-9 (70 sections).
P.A. 82-783.
Official source: Illinois General Assembly. Reproduced from public-domain Illinois statutes; confirm against the official source for the current text. Not legal advice.