Haw. Rev. Stat. § 480-13.3
(a) A class action for claims for a violation of this chapter other than claims for unfair or deceptive acts or practices may be filed, and may be prosecuted on behalf of indirect purchasers by a person other than the attorney general as follows:
(5) On or before the expiration of the sixty-day period or any extensions obtained, the attorney general shall notify the court of its decision on whether the State will proceed with the action or file its own action involving the same or similar claim or claims set forth in the complaint filed by the proposed class representative:
[L 2002, c 229, §1]