A violation of this chapter is, notwithstanding Section 114395, an infraction, provided, however, that the first violation shall result in a notice of violation. A second violation within a five-year period from the notice of violation shall be punishable by a fine of not more than two hundred fifty dollars ($250). For a third or subsequent violation within a five-year period, the fine shall be not more than five hundred dollars ($500). A restaurant shall not be found to have committed a violation under this chapter more than once during an inspection visit.