(1) This section applies in relation to a request received by a council from a corresponding authority to arrange for the investigation of any aspect of a complaint being dealt with under a corresponding law.
(2) The council may conduct the investigation or authorise another entity to conduct it.
(3) The provisions of this part relating to the investigation of a complaint apply, with necessary changes, in relation to the investigation of the relevant aspect of the complaint that is the subject of the request.
(4) The council or other entity must provide a report on the result of the investigation to the corresponding authority.