Whenever the Insurance Commissioner shall have reason to believe that any person engaged in the business of insurance is engaging in this state in any method of competition or in any act or practice in the conduct of such business which is not defined in Section 1204 of this title, that the method of competition is unfair or that the act or practice is unfair or deceptive and that an administrative proceeding in respect thereto would be to the interest of the public, the Commissioner may issue and serve such person a statement of the charges in that respect and a notice in accordance with the Administrative Procedures Act. The Commissioner shall, after a hearing or waiver of the right to a hearing, make a report in writing stating findings as to the facts and serve a copy thereof upon such person.