Section 6-20-17 - Parties; service(a) Unless a petition has been denied or granted in accordance with section 6-20-10, the executive director of the system shall be considered a party to the proceedings and shall be served accordingly. Within fifteen days after the petition is filed, other persons having a direct and substantial interest in the petition may request, in writing, that the board recognize them as parties to the proceedings. The board may, at its discretion, grant or deny their request.(b) All parties recognized by the board, including the executive director, shall be served with the petition, correspondence, and other documents filed with the board. [Eff and comp 11/26/93; am and comp NOV 26 2009] (Auth: HRS §§ 88-28, 91-2, 91-8) (Imp: HRS § 91-8)