Resumption of proceedings
250.—(1)  When an inquiry or a trial or other proceeding is —
(a)postponed for the accused to be detained for observation in a psychiatric institution under section 247; or
(b)stayed under section 248,
the court may at any time begin the inquiry or trial or other proceeding afresh and require the accused to appear or be brought before the court.
(2)  If the accused has been released under section 249, the court may require the accused to appear or be brought before it and may again proceed under section 247.