(a) A license may not be revoked or suspended except after notice and opportunity for hearing on that action. The commissioner may issue to a person licensed under this article an order to revoke a license or to suspend a license for a period not in excess of six months. The order shall provide notice of opportunity for a hearing, inform that any request for hearing must be filed within 30 days of service of a copy of the order revoking or suspending the license, and set forth how the recipient may request such a hearing. The hearing shall be conducted in accordance with the provisions of 29A-5-1 et seq. of this code. The commissioner may appoint a hearing examiner to preside at the hearing and make a recommended decision. The commissioner may revoke or suspend the license if he or she finds that:
(1) The licensee has knowingly or repeatedly violated this chapter or any rule or order lawfully made or issued pursuant to this article;