(a) Any person who violates any provision of this subtitle is subject to a penalty not exceeding $500 for each violation, which penalty the Attorney General may recover for the State in a civil action.
(b) Before the Attorney General commences any action under this section, he shall give to the person against whom the action is proposed:
(1) Notice by registered or certified mail of the proposed action; and
(2) An opportunity to show cause orally or in writing why the action should not be commenced.