Hawaii Revised Statutes Division 1. Government § 378-27.5

(a) The department shall have jurisdiction over practices made unlawful by this part. Any prospective employee or employee claiming to be aggrieved by an unlawful practice may file with the department a verified complaint in writing which shall state the name and address of the prospective employer or employer alleged to have committed the unlawful practice complained of and which shall set forth the particulars thereof and contain such other information as may be required by the department. The attorney general, or the department upon its own initiative, in like manner, may make and file such a complaint.

(b) A complaint may be filed on behalf of a class by the attorney general or the department, and a complaint so filed may be investigated, conciliated, and litigated on a class action basis.

(c) No complaint shall be filed after the expiration of thirty days after the date upon which the alleged unlawful practice occurred or is discovered to have occurred, whichever is later.