Hawaii Revised Statutes Division 1. Government § 352-22

(1) Include a study of all pertinent circumstances of such person's personal and family situation and an evaluation of the progress made by such person since the previous study;

(2) Be made for the purpose of ascertaining all relevant facts necessary to determine whether existing decisions, orders, and dispositions with respect to such persons should be modified or continued in force; and

(3) Be conducted as frequently as the department deems necessary but in any event, at intervals not to exceed six months with respect to each such person.