[(1)] Whenever the director has 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 expressly prohibited or defined in this chapter, that such method of competition is unfair or that such act or practice is unfair or deceptive and that a proceeding by him in respect thereto would be to the interest of the public, he may issue and serve upon such person a statement of the charges in that respect and a notice of a hearing thereon as provided for in chapter 2, title 41, Idaho Code, or seek any other relief authorized by title 41, Idaho Code.