65.—(1) For the purpose of any proceedings, a judge advocate may of his own motion issue a witness summons directed to a person and requiring him to—
(a)attend before the court at the time and place stated in the witness summons; and
(b)give evidence, or produce any document or thing specified in the witness summons.
(2) A witness summons issued under this rule must state that failure to comply with the summons may result in the issue of a warrant for the arrest of the person to whom the summons is addressed.
(3) A judge advocate may withdraw a witness summons issued under this rule if he no longer considers it necessary or if one of the following applies for it to be withdrawn—
(a)the witness, on the grounds that—
(i)he cannot give or produce evidence likely to be material evidence; or
(ii)even if he can, his duties or rights (including rights of confidentiality) or those of any person to whom the evidence relates outweigh the reasons for the issue of the witness summons; or
(b)any person to whom the proposed evidence relates, on the grounds that—
(i)that evidence is not likely to be material evidence; or
(ii)even if it is, his duties or rights (including rights of confidentiality) or those of the witness outweigh the reasons for the issue of the witness summons.