(1) If a TPS officer is given a document under this Division, the TPS officer may apply to a magistrate or ART member for an order that the officer may retain the document for a further period.
(2) The application must be made before the end of:
(a) 60 days after the document was given to the TPS officer; or
(b) a period previously specified in an order of a magistrate or ART member under section 129.
(3) Before making the application, the TPS officer must:
(a) take reasonable steps to discover which persons' interests would be affected by the retention of the document; and
(b) if it is practicable to do so, notify each person who the officer believes to be such a person of the proposed application.