The bill amends Section 11-902 of Title 47 of the Oklahoma Statutes, which pertains to driving under the influence (DUI) laws. A key change is the exclusion of marijuana, marijuana derivatives, and synthetic cannabinoids from the substances that can lead to DUI charges. While the bill retains existing penalties for DUI offenses, including misdemeanor charges for first-time offenders and felony charges for repeat offenders, it also introduces specific requirements for treatment and assessment programs that offenders must complete. Enhanced penalties for aggravated DUI offenses are established, particularly for cases involving high blood alcohol concentration or endangering minors, and mandates participation in substance abuse evaluations, community service, and the use of ignition interlock devices for repeat offenders.

Additionally, the bill clarifies how certain offenses are treated as convictions, particularly concerning deferred judgments, which will only be considered convictions for ten years after completing probation. It also allows qualified witnesses to testify about impairment without needing to reference specific alcohol concentration levels, including testimony based on standardized field sobriety tests and from certified drug recognition experts. The legislation is set to take effect on November 1, 2026, aiming to provide a more comprehensive approach to DUI offenses in light of changing legal perspectives on marijuana-related substances.