The term "administrative decision" is defined as in Section 3-101 of the Code of Civil Procedure.
65 ILCS 5/11-13-13
All final administrative decisions of the board of appeals under this Division 13 shall be subject to judicial review pursuant to the provisions of the Administrative Review Law, and all amendments and modifications thereof, and the rules adopted pursuant thereto
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.