(a) An offense under § 2310.057 or 2310.059 is a Class C misdemeanor.
(b) It is a defense to prosecution or to the imposition of a civil or administrative penalty for a violation of § 2310.057 or 2310.059 that a discrepancy between the actual volume at the time of sale to a consumer or a discrepancy between the fill of a container and the capacity of the container is due to unavoidable leakage, shrinkage, evaporation, waste, or causes beyond the control of the seller acting in good faith.