—(1) A party to any cause or matter may, in accordance with the following provisions of this Order, serve on any other party interrogatories relating to any matter in question between the applicant and that other party in the cause or matter which are necessary either —
for disposing fairly of the cause or matter; or
for saving costs.
(2) Without prejudice to the provisions of paragraph (1), a party may apply to the Court for an order giving him leave to serve on any other party interrogatories relating to any matter in question between the applicant and that other party in the cause or matter.
(3) A proposed interrogatory which does not relate to such a matter as is mentioned in paragraph (1) may not be administered notwithstanding that it might be admissible in oral cross-examination of a witness.
(4) In this Order —
“interrogatories without order” means interrogatories served under paragraph (1);
“ordered interrogatories” means interrogatories served under paragraph (2) or interrogatories which are required to be answered pursuant to an order made on an application under Rule 3(2) and, where such an order is made, the interrogatories shall not, unless the Court orders otherwise, be treated as interrogatories without order for the purposes of Rule 3(1).
(5) Unless the context otherwise requires, the provisions of this Order shall apply to both interrogatories without order and ordered interrogatories.