No unauthorized insurer through any estimate, illustration, circular, pamphlet, letter, announcement, statement or any other means or medium shall misrepresent to any person in this State as to its financial condition or the terms of any contract issued or to be issued by it or the advantages thereof, or the dividends or share to be received thereon. Whenever the Commissioner has reason to believe that any such insurer is so misrepresenting, he or she shall so notify the insurer and the insurance supervisory official of the insurer's domiciliary state or province by registered or certified mail.