(1) A party to a proceeding on an application may claim privilege from production of a document on the ground that it relates only to, and does not tend to prejudice, the party's own case and does not relate to or tend to support the case of an opposite party only with the Magistrates Court's leave.
(2) Leave under this section may be granted only for special cause.
(3) An application for leave may be made without notice to anyone.
(4) The Magistrates Court may, at any stage of a proceeding, order a party to produce a document to another party even though leave under this section has been granted and privilege claimed in relation to the document.