19.—(1) The registrar may require the Judge Advocate General, the judge advocate for any proceedings of the Court Martial, or the court administration officer to furnish the court with any document (in addition to the record of proceedings) or information which the registrar considers the court may require for the purpose of discharging its functions.
(2) After an application is refused or is abandoned, or the appeal or reference is determined or abandoned, the registrar must, subject to any order which the court may make, return the copy of the record of proceedings to the Judge Advocate General or the court administration officer.
(3) In this rule, reference means a reference mentioned in rule 45(2).