92 Ill. Adm. Code 450.380
Rights
Section 450
Section 450.380 Rights
Upon receiving permission by the
hearing officer to act as intervenor, the intervenor shall enjoy any and all
rights inuring to an original party in the hearing provided, however, that the
hearing officer may order the intervenor to be bound by any rulings made by the
hearing officer prior to the time of intervention which may affect the issues
to be considered after the hearing.