Hawaii Revised Statutes Division 2. Business § 431:13-106

(a) Whenever the commissioner shall have reason to believe that any person has been engaged or is engaging in this State in any unfair method of competition or any unfair or deceptive act or practice, whether or not defined in section 431:13-103, and that a proceeding by the commissioner in respect thereto would be to the interest of the public, the commissioner shall issue and serve upon the person a statement of the charges in that respect and a notice of a hearing to be held at a time and place fixed in the notice, which shall not be less than fifteen days after the date of the service.

(b) At the time and place fixed for the hearing, the person shall have an opportunity to be heard and to show cause why an order should not be made by the commissioner requiring the person to cease and desist from the acts, methods or practices which are the subject of complaint.

(c) Procedures at the hearing shall be governed by chapter 91.