The Commission shall have power with or without any notice of hearing to make and promulgate rules of procedure not inconsistent with the provisions of this act to govern the filing, prosecution, hearing, and determination of proceedings authorized to be brought before the Commission and for the enforcement of its orders, rules and regulations made under the provisions of this act; provided, that no order, rule or regulation of the Commission and no order made in the enforcement thereof shall be held void or be reversed merely because the Commission may not have promulgated procedural rules.
Okla. Stat. tit. 52, § 101