After a determination is made that a contested case hearing is required and the parties have been determined, a written notice of hearing shall be served on parties by registered or certified mail in accordance with section 91-9.5(a), HRS, and shall be served on all persons or agencies admitted as a party at their last recorded addresses at least fifteen days before the hearing date. If notice by publication is permitted under section 91-9.5(b), it shall be published at least once in each of two successive weeks in a newspaper of general circulation. The last published notice shall appear at least fifteen calendar days prior to the hearing date.
Haw. Code R. § 13-1-31.2