If a court adjourns a case the clerk of arraigns or a registrar must give notice of the adjournment and of the new hearing date ¾
(a) to any person who is required to appear at the trial or proceeding, and any surety of such a person; and
(b) if a person who is required to appear at the trial or proceeding is in legal custody, to the chief executive officer under the Prisons Act 1981.