(1) A witness summons directed to a natural person must be served by delivering a copy of the summons to the person personally.
(2) A witness summons directed to a body corporate must be served by sending a copy of the witness summons by registered post to the head office, a registered office, a principal office or a principal place of business of the body corporate or to a postal address of the body corporate.
(3) If it appears to the Supreme Court that service of a witness summons has not been or is unlikely to be effected, the Court may make an order for substituted service.