This chapter preempts any local law, ordinance or regulation that conflicts with any provision of this chapter or any policy of the state implemented in accordance with this chapter and, notwithstanding any other provision of law, a governmental unit of this state may not enact or enforce an ordinance, local law or regulation conflicting with or preempted by this chapter. Laws, 2009, ch. 473, § 12, eff. 3/30/2009.See § 45-12-21, which states, 'This chapter shall be repealed if a federal reduced cigarette ignition propensity standard is adopted and becomes effective.'
Mississippi Legal Code