The preliminary decision shall be considered the final decision unless a request for hearing is filed with the director in writing not later than twenty calendar days after the date the preliminary decision is sent. The hearing shall be held in accordance with section 386-86, HRS, and the director shall issue a written decision based upon the evidence received. This decision shall be final unless appealed pursuant to section 386-87, HRS.
Haw. Code R. § 12-10-103