Ill. Admin. Code tit. 11, § 1700.118
In the interest of convenient, expeditious and complete determination of matters, the Administrative Law Judge may, so long as there is no undue prejudice to any of the involved parties, consolidate or sever hearing proceedings involving any number or parties or issues, and may join or sever parties for the complete administration of justice.
(Source: Added at 47 Ill. Reg. 13886, effective September 18, 2023)