92 Ill. Adm. Code 14.1150
Informal Participation in Hearing Cases
Section 14.1150 Informal
Participation in Hearing Cases
In any proceeding which is to be determined after Notice and
hearing, any interested person may appear and present evidence which is
relevant to the issues. Such evidence shall be presented in either oral or
written form as the ALJ, in his sole discretion, may direct. With the consent
of the ALJ, such person may cross-examine witnesses and be cross-examined and
within the time fixed, submit written statements or a brief to the ALJ with
respect to the issues, which shall be filed and served as required of intervenors.