Ill. Admin. Code tit. 2, § 1000.20
a) Any interested person should submit a request for information in writing. The request should include a complete description of the information requested, the reason for the request, and when applicable, timing requirements. Requests, other than requests for public records, should be directed to:
Director
Illinois Department of Juvenile Justice
1301 Concordia Court
P.O. Box 19277
Springfield, Illinois 62794‑9277