26.—(1) This Article applies if on a trial before a judge and jury for an offence—
(a)a statement made in a document is admitted in evidence under Article 23 or 24, and
(b)the document or a copy of it is produced as an exhibit.
(2) The exhibit must not accompany the jury when they retire to consider their verdict unless—
(a)the court considers it appropriate, or
(b)all the parties to the proceedings agree that it should accompany the jury.