Ill. Admin. Code tit. 20, § 2504.50
c) A youth who receives an investigative report shall be interviewed by the Reviewing Officer in order to permit the youth an opportunity to present his or her views regarding placement in investigative status. The interview shall be conducted within 3 days after initial placement of a youth in investigative status, whenever possible.
d) The Reviewing Officer shall review each disciplinary report and determine whether:
3) The offense is major or minor in nature. Major offenses shall be assigned to the Adjustment Committee for a hearing and minor offenses shall be assigned to the Program Unit for a hearing.