(1) This section applies if an * authorised officer has seized a thing under this Part and proceedings in respect of which the thing might afford evidence have not commenced before the end of:
(a) 60 days after the seizure; or
(b) a period previously specified in an order of a magistrate under this section.
(2) The * authorised officer may apply to a magistrate for an order that the officer may retain the thing for a further period.
(3) Before making the application, the * authorised officer must:
(a) take reasonable steps to discover whose interests would be affected by the retention of the thing; and
(b) if it is practicable to do so, notify each person whom the officer believes to be such a person of the proposed application.