DUI penalties pursuant to H.B. 1441, effective October 1, 2013, a person will be jailed for no less than 10 days or more than 1 year if: A person "has any amount of a Schedule I chemical or controlled substance, as defined in Section 2-204 of Title 63 of the Oklahoma Statutes, or one of its metabolites or analogs in the person’s blood, saliva, urine or any other bodily fluid at the time of a test of such person's blood, saliva, urine or any other bodily fluid administered within two (2) hours after the arrest of such person." A second offense will have longer sentencing as well as require an ignition interlock device that can only detect alcohol even if person is not a user of alcohol.
New penalties for possession or making of hashish, a grinder, or brownies may include life imprisonment were enacted in 2011. On April 30, 2015 governor Mary Fallin signed a bill legalizing cannabis oils for children with epilepsy.