Before any final action is taken under Regulation .15 of this chapter, the person against whom the action is contemplated shall have an opportunity for a hearing before: The Secretary; or An advisory panel consisting of the following members appointed by the Secretary; A member of the Department of State Police; A representative of the security systems industry; and Three members representing consumers. The Secretary or the advisory panel shall give notice and hold the hearing in accordance with the provisions of State Government Article, Title 10, Subtitle 2, Annotated Code of Maryland. The hearing notice to be given to the person shall be sent by certified mail to the person's last known address at least 10 business days before the hearing. The Secretary or the advisory panel may administer oaths in connection with any proceeding relating to the hearing. The person may be represented at the hearing by counsel. After due notice, if the person against whom the action is contemplated fails or refuses to appear, the Secretary or the advisory panel may hear and determine the matter. A person aggrieved by a final decision of the Secretary or the advisory panel in a contested case, as defined in State Government Article, §10-202, Annotated Code of Maryland, may appeal as allowed in State Government Article, Title 10, Subtitle 2, Annotated Code of Maryland.