Haw. Code R. § 12-51-19
Any employer to whom a citation and notice of proposed penalty has been issued may petition the director for review of the citation and notice pursuant to the rules of the appeals board within twenty days of the receipt by the employer of the notice of proposed penalty. Each notice of contest shall specify whether it is regarding the citation, the proposed penalty, or both. This petition shall be an original, and shall be served on the director and must be postmarked, or if not mailed, received by the director within twenty calendar days of the receipt by the employer of the citation and notice of proposed penalty. If not mailed, the date of receipt by the director shall be the date stamped on the contest by the director. The department will forward a copy of the petition to the appeals board. A de novo hearing shall be held by the appeals board. Copies of each contest petition shall be posted where they shall be readily observed by all affected employees.
Haw. Code R. § 12-51-19