56 Ill. Adm. Code 360.140
Issuance of Administrative Subpoena
Section 360
Section 360.140 Issuance of
Administrative Subpoena
The Department may issue an
administrative subpoena to compel the attendance of a party or witness and/or
the production of documents upon the Department's determination that the
information to be produced by a subpoena is necessary and relevant to the Department's
investigation and that the Department cannot obtain the information by any
other reasonable means.