(70 ILCS 915/6.03) (from Ch. 111 1/2, par. 5012)
    Sec. 6.03. The Commission shall have power to adopt reasonable and proper rules and regulations relative to the exercise of its powers, and proper rules to govern its proceedings, and to regulate the mode and manner of all hearings held by it or at its direction, and to alter and amend same.
(Source: Laws 1947, p. 1191.)