Okla. Stat. tit. 60, § 681

Promulgation of rules - Continuation of rules in effect. The State Treasurer may promulgate necessary rules to carry out the provisions of the Uniform Unclaimed Property Act. Promulgation of any rules shall be in accordance with the Administrative Procedures Act. Any administrative rules of the Oklahoma Tax Commission which are in effect on the date the responsibilities of the Uniform Unclaimed Property Act are transferred to the State Treasurer pursuant to the provisions of subsection D of Section 1 of this act. All powers and duties of the Oklahoma Tax Commission or references to the Oklahoma Tax Commission within such rules shall be deemed to be powers and duties of the State Treasurer or references to the State Treasurer.