(1) If, at any time after a search warrant has been issued under section 20 -
(a) the designated officer named therein (including any designated officer who is named therein by reason of any prior application under this subsection) -
(i) has ceased to be an officer of the Director (by reason of death, retirement, resignation, dismissal, reassignment or any other cause); or
(ii) is otherwise unable to perform his or her functions (by reason of absence from duty, illness, incapacity or any other cause);
or
(b) the Director has reasonable grounds for apprehending that any of the circumstances referred to in paragraph (a) is likely to arise,
then another designated officer may apply to a judge of the District Court for an order under subsection (2).
(2) On the hearing of an application under subsection (1) the judge of the District Court may, if -
(a) the judge is satisfied that it is appropriate to do so; and
(b) the date to be specified under paragraph (ii) will fall during the peri