In addition to the rules of practice and procedures heretofore prescribed by the Legislature in the Repeal Act and the rules now in effect promulgated by the Commission, there is hereby adopted by the Commission all provisions, procedures and rules of evidence, established in the Oklahoma Administrative Procedures Act, Section 250 et seq. of Title 75 of the Oklahoma Statutes. All rules heretofore adopted by the Commission which are in conflict with the Oklahoma Administrative Procedures Act are hereby repealed.
Okla. Admin. Code § 45:1-3-5