20 ILCS 2105/2105-1 : Government — Executive Branch — Department of Professional Regulation — Department of Professional Regulation Law of the Civil Administrative Code of Illinois — Department of Professional Regulation —1 - Article short title TEXT PDF This Article 2105 of the Civil Administrative Code of Illinois may be cited as the Department of Professional Regulation Law. 20 ILCS 2105/2105-1 P.A. 91-239, eff. 1/1/2000.