Additional evidence during the hearing of the appeal
48.—(1) If after the commencement of the hearing of an appeal the respondent intends to adduce evidence other than any evidence served or notified to the appellant in accordance with rules 18 and 19, he shall where practicable serve notice in writing of such intention together with the particulars of the additional evidence on the appellant and the judge advocate.
(2) Where notice and particulars are served on the appellant in accordance with paragraph (1), or where evidence is adduced without such notice being given, he may apply to the judge advocate for an adjournment of the hearing.