Hawaii Revised Statutes Division 1. Government § 291C-192

(a) It is a violation for any person to do any act forbidden or fail to perform any act required in this part, except as otherwise provided by law.

(b) Any negligence, misconduct, or violation of this part by a minor while driving a moped shall be imputed to the parent or guardian having custody of such minor, which person shall be jointly and severally liable with the minor for any damages caused by such negligence or misconduct and any penalty assessed by the courts for such violation.

(c) This part applies to every person driving a moped upon any roadway or highway or any other publicly owned place under the jurisdiction of the State or any county.