(430 ILCS 60/6.3) (from Ch. 111 1/2, par. 3111)
    Sec. 6.3. Modification or vacation of determinations-Objections. Within 30 days after the entry of a determination, the Department may modify or vacate such determination by its own motion or upon written objection by a party affected by such determination. The Department, in its discretion, may or may not act upon written objections by such affected parties.
(Source: P.A. 77-112.)