6. Reports etc., by the Ombudsman.
(1) In any case where a complaint is made to the Ombudsman in relation to an action and the Ombudsman decides not to carry out an investigation under this Act into the action or to discontinue such an investigation, he shall send to the person who made the complaint a statement in writing of his reasons for the decision and, if the decision follows the receipt by the Ombudsman of a request under section 5(3) of this Act, a copy of the request and of the statement in writing of the reasons for the request attached to the request and he shall send to such other (if any) person as he considers appropriate such statement in writing in relation to the matter as he considers appropriate.
(2) In any case where the Ombudsman conducts an investigation under this Act, the Ombudsman shall send a statement in writing of the results of the investigation to -
(a) the reviewable agency concerned,
(b) the Department of State in which are comprised the business and functions of, or which performs functions in relation to, a reviewable agency (other than a Department of State) to whom a statement is sent under paragraph (a),
(c) any other person who has or, in a case where a complaint in relation to the action the subject of the investigation has been made to the Ombudsman, is alleged in the complaint to have taken or authorised the action, and