Okla. Stat. tit. 52, § 52-101: Procedure - Rules of - Enforcement of orders and rules

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.