(a) An appropriate subject for investigation by the ombudsman is an administrative act of an agency that the ombudsman has reason to believe might be
(1) contrary to law;
(2) unreasonable, unfair, oppressive, arbitrary, capricious, an abuse of discretion, or unnecessarily discriminatory, even though in accordance with law;
(3) based on a mistake of fact;
(4) based on improper or irrelevant grounds;
(5) unsupported by an adequate statement of reasons;
(6) performed in an inefficient or discourteous manner; or
(7) otherwise erroneous.
(b) The ombudsman may investigate to find an appropriate remedy.