(a) The intentional violation of Section 7100 is punishable by a civil penalty of not less than twenty-five dollars ($25) nor more than five hundred dollars ($500).
(b) Failure to have a clearly readable price indicated on 12 units of the same item required to be item-priced of the same commodity shall constitute a presumption of intent to violate Section 7100.
(c) Every additional 12 units of the same item required to be item-priced that fail to have a price indicated on them shall constitute a presumption of intent to violate Section 7100.
(d) Each day that a violation continues shall also constitute a separate violation after notification thereof to the manager or assistant manager of the retail grocery store or the grocery department of the general retail merchandise store and shall constitute a presumption of intent to violate Section 7100.
(e) Notwithstanding any other provision of law, any person may bring an action to enjoin a violation of Section 7100.