Okla. Stat. tit. 74, § 74-326.11: Preemption

A. This act shall cease to have the force and effect of law if

a federal reduced cigarette ignition propensity standard that

preempts this act is adopted and becomes effective.

B. Notwithstanding any other provision of law, the local

governmental units of this state may neither enact nor enforce any

ordinance or other local law or regulation conflicting with, or

preempted by, any provision of this act or with any policy of this

state expressed by this act, whether that policy be expressed by

inclusion of a provision in the act or by exclusion of that subject

from the act.