The Commission or a three-member panel on its own motion may remand a case for a rehearing in whole or in part, or for the taking of additional evidence, whenever in its opinion such action is necessary to do justice in the case or to facilitate a fair and complete adjudication of the issues.
Ill. Admin. Code tit. 56, § 5300.1030
Section 5300.1030 renumbered from Section 5300.930 at 9 Ill. Reg. 6207, effective April 24, 1985