Okla. Stat. tit. 52 § 420.30
Nothing in the Oklahoma Liquefied Petroleum Gas Research, Marketing and Safety Act may be construed to preempt or supersede any other program relating to LP gas promotion or marketing organized and operated under the law of the State of Oklahoma or the United States. The provisions of the Oklahoma Liquefied Petroleum Gas Research, Marketing and Safety Act applicable to the rules shall be applicable to amendments to the rules. In the event of the establishment of a national program for an assessment on propane sales, the Commission, by majority vote, may elect to designate up to a maximum of twenty percent (20%) of the funds collected pursuant to the Oklahoma Liquefied Petroleum Gas Research, Marketing and Safety Act to the national program in lieu of an additional assessment as may be required by the national program.
Okla. Stat. tit. 52, § 420.30