Ill. Admin. Code tit. 2, § 1000.120
b) Any interested person may petition the Director to adopt, amend, or repeal a rule.
1) The preferred form of address of the petition is:
1) Shall be reviewed and approved by appropriate Department staff.
Director
Attn: Policy and Directives Unit
Illinois Department of Juvenile Justice
1301 Concordia Court
P.O. Box 19277
Springfield, Illinois 62794‑9277