This division sets forth minimum state restrictions with respect to the legal age to purchase or possess tobacco products and does not preempt or otherwise prohibit the adoption of a local standard that imposes a more restrictive legal age to purchase or possess tobacco products. A local standard that imposes a more restrictive legal age to purchase or possess tobacco products shall control in the event of any inconsistency between this division and a local standard.
Ca. Bus. and Prof'l. Code § 22964